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Code Issues Releases Wiki Activity

merge min-waiting-time branch

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oblonski 2015-09-12 13:37:03 +02:00
commit a9d1e03c56
27 changed files with 2898 additions and 1944 deletions
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8
jsprit-core/src/main/java/jsprit/core/algorithm/PrettyAlgorithmBuilder.java
View file

@ -91,8 +91,8 @@ public class PrettyAlgorithmBuilder {
constraintManager.addSkillsConstraint(); constraintManager.addSkillsConstraint();
stateManager.updateLoadStates(); stateManager.updateLoadStates();
stateManager.updateTimeWindowStates(); stateManager.updateTimeWindowStates();
UpdateVehicleDependentPracticalTimeWindows tw_updater = new UpdateVehicleDependentPracticalTimeWindows(stateManager, vrp.getTransportCosts()); UpdateVehicleDependentPracticalTimeWindows twUpdater = new UpdateVehicleDependentPracticalTimeWindows(stateManager, vrp.getTransportCosts());
tw_updater.setVehiclesToUpdate(new UpdateVehicleDependentPracticalTimeWindows.VehiclesToUpdate() { twUpdater.setVehiclesToUpdate(new UpdateVehicleDependentPracticalTimeWindows.VehiclesToUpdate() {
Map<VehicleTypeKey, Vehicle> uniqueTypes = new HashMap<VehicleTypeKey, Vehicle>(); Map<VehicleTypeKey, Vehicle> uniqueTypes = new HashMap<VehicleTypeKey, Vehicle>();
@ -109,12 +109,14 @@ public class PrettyAlgorithmBuilder {
vehicles.addAll(uniqueTypes.values()); vehicles.addAll(uniqueTypes.values());
return vehicles; return vehicles;
} }
}); });
stateManager.addStateUpdater(tw_updater); stateManager.addStateUpdater(twUpdater);
stateManager.updateSkillStates(); stateManager.updateSkillStates();
stateManager.addStateUpdater(new UpdateEndLocationIfRouteIsOpen()); stateManager.addStateUpdater(new UpdateEndLocationIfRouteIsOpen());
stateManager.addStateUpdater(new UpdateActivityTimes(vrp.getTransportCosts(), ActivityTimeTracker.ActivityPolicy.AS_SOON_AS_TIME_WINDOW_OPENS)); stateManager.addStateUpdater(new UpdateActivityTimes(vrp.getTransportCosts(), ActivityTimeTracker.ActivityPolicy.AS_SOON_AS_TIME_WINDOW_OPENS));
stateManager.addStateUpdater(new UpdateVariableCosts(vrp.getActivityCosts(), vrp.getTransportCosts(), stateManager)); stateManager.addStateUpdater(new UpdateVariableCosts(vrp.getActivityCosts(), vrp.getTransportCosts(), stateManager));
stateManager.addStateUpdater(new UpdateFutureWaitingTimes(stateManager,vrp.getTransportCosts()));
} }
VehicleRoutingAlgorithm vra = new VehicleRoutingAlgorithm(vrp, searchStrategyManager); VehicleRoutingAlgorithm vra = new VehicleRoutingAlgorithm(vrp, searchStrategyManager);
vra.addListener(stateManager); vra.addListener(stateManager);

56
jsprit-core/src/main/java/jsprit/core/algorithm/VehicleRoutingAlgorithm.java
View file

@ -20,6 +20,7 @@ import jsprit.core.algorithm.SearchStrategy.DiscoveredSolution;
import jsprit.core.algorithm.listener.*; import jsprit.core.algorithm.listener.*;
import jsprit.core.algorithm.termination.PrematureAlgorithmTermination; import jsprit.core.algorithm.termination.PrematureAlgorithmTermination;
import jsprit.core.problem.VehicleRoutingProblem; import jsprit.core.problem.VehicleRoutingProblem;
import jsprit.core.problem.job.Job;
import jsprit.core.problem.solution.VehicleRoutingProblemSolution; import jsprit.core.problem.solution.VehicleRoutingProblemSolution;
import jsprit.core.problem.solution.route.VehicleRoute; import jsprit.core.problem.solution.route.VehicleRoute;
import jsprit.core.problem.solution.route.activity.TourActivity; import jsprit.core.problem.solution.route.activity.TourActivity;
@ -35,6 +36,7 @@ import java.util.Collection;
* Algorithm that solves a {@link VehicleRoutingProblem}. * Algorithm that solves a {@link VehicleRoutingProblem}.
* *
* @author stefan schroeder * @author stefan schroeder
*
*/ */
public class VehicleRoutingAlgorithm { public class VehicleRoutingAlgorithm {
@ -42,14 +44,14 @@ public class VehicleRoutingAlgorithm {
private Collection<PrematureAlgorithmTermination> terminationCriteria = new ArrayList<PrematureAlgorithmTermination>(); private Collection<PrematureAlgorithmTermination> terminationCriteria = new ArrayList<PrematureAlgorithmTermination>();
void addTermination(PrematureAlgorithmTermination termination) { void addTermination(PrematureAlgorithmTermination termination){
terminationCriteria.add(termination); terminationCriteria.add(termination);
} }
@Override @Override
public boolean isPrematureBreak(DiscoveredSolution discoveredSolution) { public boolean isPrematureBreak(DiscoveredSolution discoveredSolution) {
for (PrematureAlgorithmTermination termination : terminationCriteria) { for(PrematureAlgorithmTermination termination : terminationCriteria){
if (termination.isPrematureBreak(discoveredSolution)) { if(termination.isPrematureBreak(discoveredSolution)){
return true; return true;
} }
} }
@ -194,14 +196,15 @@ public class VehicleRoutingAlgorithm {
Collection<VehicleRoutingProblemSolution> solutions = new ArrayList<VehicleRoutingProblemSolution>(initialSolutions); Collection<VehicleRoutingProblemSolution> solutions = new ArrayList<VehicleRoutingProblemSolution>(initialSolutions);
algorithmStarts(problem, solutions); algorithmStarts(problem, solutions);
bestEver = Solutions.bestOf(solutions); bestEver = Solutions.bestOf(solutions);
if(logger.isTraceEnabled()) log(solutions);
logger.info("iterations start"); logger.info("iterations start");
for (int i = 0; i < maxIterations; i++) { for(int i=0;i< maxIterations;i++){
iterationStarts(i + 1, problem, solutions); iterationStarts(i+1,problem,solutions);
logger.debug("start iteration: {}", i); logger.debug("start iteration: {}",i);
counter.incCounter(); counter.incCounter();
SearchStrategy strategy = searchStrategyManager.getRandomStrategy(); SearchStrategy strategy = searchStrategyManager.getRandomStrategy();
DiscoveredSolution discoveredSolution = strategy.run(problem, solutions); DiscoveredSolution discoveredSolution = strategy.run(problem, solutions);
logger.trace("discovered solution: {}", discoveredSolution); if(logger.isTraceEnabled()) log(discoveredSolution);
memorizeIfBestEver(discoveredSolution); memorizeIfBestEver(discoveredSolution);
selectedStrategy(discoveredSolution, problem, solutions); selectedStrategy(discoveredSolution, problem, solutions);
if (terminationManager.isPrematureBreak(discoveredSolution)) { if (terminationManager.isPrematureBreak(discoveredSolution)) {
@ -222,6 +225,39 @@ public class VehicleRoutingAlgorithm {
if (bestEver != null) solutions.add(bestEver); if (bestEver != null) solutions.add(bestEver);
} }
private void log(Collection<VehicleRoutingProblemSolution> solutions) {
for(VehicleRoutingProblemSolution sol : solutions) log(sol);
}
private void log(VehicleRoutingProblemSolution solution){
logger.trace("solution costs: {}",solution.getCost());
for(VehicleRoute r : solution.getRoutes()){
StringBuilder b = new StringBuilder();
b.append(r.getVehicle().getId()).append(" : ").append("[ ");
for(TourActivity act : r.getActivities()){
if(act instanceof TourActivity.JobActivity){
b.append(((TourActivity.JobActivity) act).getJob().getId()).append(" ");
}
}
b.append("]");
logger.trace(b.toString());
}
StringBuilder b = new StringBuilder();
b.append("unassigned : [ ");
for(Job j : solution.getUnassignedJobs()){
b.append(j.getId()).append(" ");
}
b.append("]");
logger.trace(b.toString());
}
private void log(DiscoveredSolution discoveredSolution) {
logger.trace("discovered solution: {}",discoveredSolution);
log(discoveredSolution.getSolution());
}
private void memorizeIfBestEver(DiscoveredSolution discoveredSolution) { private void memorizeIfBestEver(DiscoveredSolution discoveredSolution) {
if (discoveredSolution == null) return; if (discoveredSolution == null) return;
if (bestEver == null) bestEver = discoveredSolution.getSolution(); if (bestEver == null) bestEver = discoveredSolution.getSolution();

296
jsprit-core/src/main/java/jsprit/core/algorithm/box/Jsprit.java
View file

@ -40,11 +40,11 @@ public class Jsprit {
String name; String name;
Construction(String name) { Construction(String name){
this.name = name; this.name = name;
} }
public String toString() { public String toString(){
return name; return name;
} }
@ -63,11 +63,11 @@ public class Jsprit {
String strategyName; String strategyName;
Strategy(String strategyName) { Strategy(String strategyName){
this.strategyName = strategyName; this.strategyName = strategyName;
} }
public String toString() { public String toString(){
return strategyName; return strategyName;
} }
} }
@ -75,7 +75,7 @@ public class Jsprit {
public enum Parameter { public enum Parameter {
FIXED_COST_PARAM("fixed_cost_param"), VEHICLE_SWITCH("vehicle_switch"), REGRET_TIME_WINDOW_SCORER("regret.tw_scorer"), FIXED_COST_PARAM("fixed_cost_param"), VEHICLE_SWITCH("vehicle_switch"), REGRET_TIME_WINDOW_SCORER("regret.tw_scorer"),
REGRET_DISTANCE_SCORER("regret.distance_scorer"), INITIAL_THRESHOLD("initial_threshold"), ITERATIONS("iterations"), REGRET_DISTANCE_SCORER("regret.distance_scorer"), INITIAL_THRESHOLD("initial_threshold"), ITERATIONS("iterations"),
THREADS("threads"), THREADS("threads"),
RANDOM_REGRET_MIN_SHARE("random_regret.min_share"), RANDOM_REGRET_MIN_SHARE("random_regret.min_share"),
RANDOM_REGRET_MAX_SHARE("random_regret.max_share"), RANDOM_REGRET_MAX_SHARE("random_regret.max_share"),
@ -97,17 +97,17 @@ public class Jsprit {
String paraName; String paraName;
Parameter(String name) { Parameter(String name){
this.paraName = name; this.paraName = name;
} }
public String toString() { public String toString(){
return paraName; return paraName;
} }
} }
public static VehicleRoutingAlgorithm createAlgorithm(VehicleRoutingProblem vehicleRoutingProblem) { public static VehicleRoutingAlgorithm createAlgorithm(VehicleRoutingProblem vehicleRoutingProblem){
return Jsprit.Builder.newInstance(vehicleRoutingProblem).buildAlgorithm(); return Jsprit.Builder.newInstance(vehicleRoutingProblem).buildAlgorithm();
} }
@ -131,53 +131,53 @@ public class Jsprit {
private Random random = RandomNumberGeneration.newInstance(); private Random random = RandomNumberGeneration.newInstance();
public static Builder newInstance(VehicleRoutingProblem vrp) { public static Builder newInstance(VehicleRoutingProblem vrp){
return new Builder(vrp); return new Builder(vrp);
} }
private Builder(VehicleRoutingProblem vrp) { private Builder(VehicleRoutingProblem vrp){
this.vrp = vrp; this.vrp = vrp;
properties = new Properties(createDefaultProperties()); properties = new Properties(createDefaultProperties());
} }
private Properties createDefaultProperties() { private Properties createDefaultProperties() {
Properties defaults = new Properties(); Properties defaults = new Properties();
defaults.put(Strategy.RADIAL_BEST.toString(), "0."); defaults.put(Strategy.RADIAL_BEST.toString(),"0.");
defaults.put(Strategy.RADIAL_REGRET.toString(), ".5"); defaults.put(Strategy.RADIAL_REGRET.toString(),".5");
defaults.put(Strategy.RANDOM_BEST.toString(), ".5"); defaults.put(Strategy.RANDOM_BEST.toString(),".5");
defaults.put(Strategy.RANDOM_REGRET.toString(), ".5"); defaults.put(Strategy.RANDOM_REGRET.toString(),".5");
defaults.put(Strategy.WORST_BEST.toString(), "0."); defaults.put(Strategy.WORST_BEST.toString(),"0.");
defaults.put(Strategy.WORST_REGRET.toString(), "1."); defaults.put(Strategy.WORST_REGRET.toString(),"1.");
defaults.put(Strategy.CLUSTER_BEST.toString(), "0."); defaults.put(Strategy.CLUSTER_BEST.toString(),"0.");
defaults.put(Strategy.CLUSTER_REGRET.toString(), "1."); defaults.put(Strategy.CLUSTER_REGRET.toString(),"1.");
defaults.put(Parameter.FIXED_COST_PARAM.toString(), "0."); defaults.put(Parameter.FIXED_COST_PARAM.toString(),"0.");
defaults.put(Parameter.VEHICLE_SWITCH.toString(), "true"); defaults.put(Parameter.VEHICLE_SWITCH.toString(),"true");
defaults.put(Parameter.ITERATIONS.toString(), "2000"); defaults.put(Parameter.ITERATIONS.toString(),"2000");
defaults.put(Parameter.REGRET_DISTANCE_SCORER.toString(), ".05"); defaults.put(Parameter.REGRET_DISTANCE_SCORER.toString(),".05");
defaults.put(Parameter.REGRET_TIME_WINDOW_SCORER.toString(), "-.1"); defaults.put(Parameter.REGRET_TIME_WINDOW_SCORER.toString(),"-.1");
defaults.put(Parameter.THREADS.toString(), "1"); defaults.put(Parameter.THREADS.toString(),"1");
int minShare = (int) Math.min(20, Math.max(3, vrp.getJobs().size() * 0.05)); int minShare = (int)Math.min(20, Math.max(3,vrp.getJobs().size() * 0.05));
int maxShare = (int) Math.min(50, Math.max(5, vrp.getJobs().size() * 0.3)); int maxShare = (int)Math.min(50, Math.max(5,vrp.getJobs().size() * 0.3));
defaults.put(Parameter.RADIAL_MIN_SHARE.toString(), String.valueOf(minShare)); defaults.put(Parameter.RADIAL_MIN_SHARE.toString(),String.valueOf(minShare));
defaults.put(Parameter.RADIAL_MAX_SHARE.toString(), String.valueOf(maxShare)); defaults.put(Parameter.RADIAL_MAX_SHARE.toString(),String.valueOf(maxShare));
defaults.put(Parameter.WORST_MIN_SHARE.toString(), String.valueOf(minShare)); defaults.put(Parameter.WORST_MIN_SHARE.toString(),String.valueOf(minShare));
defaults.put(Parameter.WORST_MAX_SHARE.toString(), String.valueOf(maxShare)); defaults.put(Parameter.WORST_MAX_SHARE.toString(),String.valueOf(maxShare));
defaults.put(Parameter.CLUSTER_MIN_SHARE.toString(), String.valueOf(minShare)); defaults.put(Parameter.CLUSTER_MIN_SHARE.toString(),String.valueOf(minShare));
defaults.put(Parameter.CLUSTER_MAX_SHARE.toString(), String.valueOf(maxShare)); defaults.put(Parameter.CLUSTER_MAX_SHARE.toString(),String.valueOf(maxShare));
int minShare_ = (int) Math.min(70, Math.max(5, vrp.getJobs().size() * 0.5)); int minShare_ = (int)Math.min(70, Math.max(5,vrp.getJobs().size() * 0.5));
int maxShare_ = (int) Math.min(70, Math.max(5, vrp.getJobs().size() * 0.5)); int maxShare_ = (int)Math.min(70, Math.max(5,vrp.getJobs().size() * 0.5));
defaults.put(Parameter.RANDOM_REGRET_MIN_SHARE.toString(), String.valueOf(minShare_)); defaults.put(Parameter.RANDOM_REGRET_MIN_SHARE.toString(),String.valueOf(minShare_));
defaults.put(Parameter.RANDOM_REGRET_MAX_SHARE.toString(), String.valueOf(maxShare_)); defaults.put(Parameter.RANDOM_REGRET_MAX_SHARE.toString(),String.valueOf(maxShare_));
defaults.put(Parameter.RANDOM_BEST_MIN_SHARE.toString(), String.valueOf(minShare_)); defaults.put(Parameter.RANDOM_BEST_MIN_SHARE.toString(),String.valueOf(minShare_));
defaults.put(Parameter.RANDOM_BEST_MAX_SHARE.toString(), String.valueOf(maxShare_)); defaults.put(Parameter.RANDOM_BEST_MAX_SHARE.toString(),String.valueOf(maxShare_));
defaults.put(Parameter.THRESHOLD_ALPHA.toString(), String.valueOf(0.15)); defaults.put(Parameter.THRESHOLD_ALPHA.toString(),String.valueOf(0.15));
defaults.put(Parameter.THRESHOLD_INI.toString(), String.valueOf(0.03)); defaults.put(Parameter.THRESHOLD_INI.toString(),String.valueOf(0.03));
defaults.put(Parameter.INSERTION_NOISE_LEVEL.toString(), String.valueOf(0.15)); defaults.put(Parameter.INSERTION_NOISE_LEVEL.toString(),String.valueOf(0.15));
defaults.put(Parameter.INSERTION_NOISE_PROB.toString(), String.valueOf(0.2)); defaults.put(Parameter.INSERTION_NOISE_PROB.toString(),String.valueOf(0.2));
defaults.put(Parameter.RUIN_WORST_NOISE_LEVEL.toString(), String.valueOf(0.15)); defaults.put(Parameter.RUIN_WORST_NOISE_LEVEL.toString(),String.valueOf(0.15));
defaults.put(Parameter.RUIN_WORST_NOISE_PROB.toString(), String.valueOf(0.2)); defaults.put(Parameter.RUIN_WORST_NOISE_PROB.toString(),String.valueOf(0.2));
defaults.put(Parameter.VEHICLE_SWITCH.toString(), String.valueOf(true)); defaults.put(Parameter.VEHICLE_SWITCH.toString(),String.valueOf(true));
defaults.put(Parameter.CONSTRUCTION.toString(), Construction.REGRET_INSERTION.toString()); defaults.put(Parameter.CONSTRUCTION.toString(),Construction.REGRET_INSERTION.toString());
return defaults; return defaults;
} }
@ -188,23 +188,23 @@ public class Jsprit {
return this; return this;
} }
public Builder setRandom(Random random) { public Builder setRandom(Random random){
this.random = random; this.random = random;
return this; return this;
} }
public Builder setProperty(String key, String value) { public Builder setProperty(String key, String value){
properties.put(key, value); properties.put(key,value);
return this; return this;
} }
public Builder setProperty(Parameter parameter, String value) { public Builder setProperty(Parameter parameter, String value){
setProperty(parameter.toString(), value); setProperty(parameter.toString(),value);
return this; return this;
} }
public Builder setProperty(Strategy strategy, String value) { public Builder setProperty(Strategy strategy, String value){
setProperty(strategy.toString(), value); setProperty(strategy.toString(),value);
return this; return this;
} }
@ -224,7 +224,7 @@ public class Jsprit {
return this; return this;
} }
public VehicleRoutingAlgorithm buildAlgorithm() { public VehicleRoutingAlgorithm buildAlgorithm(){
return new Jsprit(this).create(vrp); return new Jsprit(this).create(vrp);
} }
@ -245,15 +245,13 @@ public class Jsprit {
} }
public RuinShareFactoryImpl(int minShare, int maxShare) { public RuinShareFactoryImpl(int minShare, int maxShare) {
if (maxShare < minShare) if(maxShare < minShare) throw new IllegalArgumentException("maxShare must be equal or greater than minShare");
throw new IllegalArgumentException("maxShare must be equal or greater than minShare");
this.minShare = minShare; this.minShare = minShare;
this.maxShare = maxShare; this.maxShare = maxShare;
} }
public RuinShareFactoryImpl(int minShare, int maxShare, Random random) { public RuinShareFactoryImpl(int minShare, int maxShare, Random random) {
if (maxShare < minShare) if(maxShare < minShare) throw new IllegalArgumentException("maxShare must be equal or greater than minShare");
throw new IllegalArgumentException("maxShare must be equal or greater than minShare");
this.minShare = minShare; this.minShare = minShare;
this.maxShare = maxShare; this.maxShare = maxShare;
this.random = random; this.random = random;
@ -295,17 +293,18 @@ public class Jsprit {
this.random = builder.random; this.random = builder.random;
} }
private VehicleRoutingAlgorithm create(final VehicleRoutingProblem vrp) { private VehicleRoutingAlgorithm create(final VehicleRoutingProblem vrp){
VehicleFleetManager fm; VehicleFleetManager fm;
if (vrp.getFleetSize().equals(VehicleRoutingProblem.FleetSize.INFINITE)) { if(vrp.getFleetSize().equals(VehicleRoutingProblem.FleetSize.INFINITE)){
fm = new InfiniteFleetManagerFactory(vrp.getVehicles()).createFleetManager(); fm = new InfiniteFleetManagerFactory(vrp.getVehicles()).createFleetManager();
} else fm = new FiniteFleetManagerFactory(vrp.getVehicles()).createFleetManager(); }
else fm = new FiniteFleetManagerFactory(vrp.getVehicles()).createFleetManager();
if (stateManager == null) { if(stateManager == null){
stateManager = new StateManager(vrp); stateManager = new StateManager(vrp);
} }
if (constraintManager == null) { if(constraintManager == null){
constraintManager = new ConstraintManager(vrp, stateManager); constraintManager = new ConstraintManager(vrp,stateManager);
} }
double noiseLevel = toDouble(getProperty(Parameter.INSERTION_NOISE_LEVEL.toString())); double noiseLevel = toDouble(getProperty(Parameter.INSERTION_NOISE_LEVEL.toString()));
@ -317,36 +316,36 @@ public class Jsprit {
JobNeighborhoods jobNeighborhoods = new JobNeighborhoodsFactory().createNeighborhoods(vrp, new AvgServiceAndShipmentDistance(vrp.getTransportCosts()), (int) (vrp.getJobs().values().size() * 0.5)); JobNeighborhoods jobNeighborhoods = new JobNeighborhoodsFactory().createNeighborhoods(vrp, new AvgServiceAndShipmentDistance(vrp.getTransportCosts()), (int) (vrp.getJobs().values().size() * 0.5));
jobNeighborhoods.initialise(); jobNeighborhoods.initialise();
RuinRadial radial = new RuinRadial(vrp, vrp.getJobs().size(), jobNeighborhoods); RuinRadial radial = new RuinRadial(vrp,vrp.getJobs().size(),jobNeighborhoods);
radial.setRandom(random); radial.setRandom(random);
radial.setRuinShareFactory(new RuinShareFactoryImpl( radial.setRuinShareFactory(new RuinShareFactoryImpl(
toInteger(properties.getProperty(Parameter.RADIAL_MIN_SHARE.toString())), toInteger(properties.getProperty(Parameter.RADIAL_MIN_SHARE.toString())),
toInteger(properties.getProperty(Parameter.RADIAL_MAX_SHARE.toString())), toInteger(properties.getProperty(Parameter.RADIAL_MAX_SHARE.toString())),
random) random)
); );
final RuinRandom random_for_regret = new RuinRandom(vrp, 0.5); final RuinRandom random_for_regret = new RuinRandom(vrp,0.5);
random_for_regret.setRandom(random); random_for_regret.setRandom(random);
random_for_regret.setRuinShareFactory(new RuinShareFactoryImpl( random_for_regret.setRuinShareFactory(new RuinShareFactoryImpl(
toInteger(properties.getProperty(Parameter.RANDOM_REGRET_MIN_SHARE.toString())), toInteger(properties.getProperty(Parameter.RANDOM_REGRET_MIN_SHARE.toString())),
toInteger(properties.getProperty(Parameter.RANDOM_REGRET_MAX_SHARE.toString())), toInteger(properties.getProperty(Parameter.RANDOM_REGRET_MAX_SHARE.toString())),
random) random)
); );
final RuinRandom random_for_best = new RuinRandom(vrp, 0.5); final RuinRandom random_for_best = new RuinRandom(vrp,0.5);
random_for_best.setRandom(random); random_for_best.setRandom(random);
random_for_best.setRuinShareFactory(new RuinShareFactoryImpl( random_for_best.setRuinShareFactory(new RuinShareFactoryImpl(
toInteger(properties.getProperty(Parameter.RANDOM_BEST_MIN_SHARE.toString())), toInteger(properties.getProperty(Parameter.RANDOM_BEST_MIN_SHARE.toString())),
toInteger(properties.getProperty(Parameter.RANDOM_BEST_MAX_SHARE.toString())), toInteger(properties.getProperty(Parameter.RANDOM_BEST_MAX_SHARE.toString())),
random) random)
); );
final RuinWorst worst = new RuinWorst(vrp, (int) (vrp.getJobs().values().size() * 0.5)); final RuinWorst worst = new RuinWorst(vrp, (int) (vrp.getJobs().values().size()*0.5));
worst.setRandom(random); worst.setRandom(random);
worst.setRuinShareFactory(new RuinShareFactoryImpl( worst.setRuinShareFactory(new RuinShareFactoryImpl(
toInteger(properties.getProperty(Parameter.WORST_MIN_SHARE.toString())), toInteger(properties.getProperty(Parameter.WORST_MIN_SHARE.toString())),
toInteger(properties.getProperty(Parameter.WORST_MAX_SHARE.toString())), toInteger(properties.getProperty(Parameter.WORST_MAX_SHARE.toString())),
random) random)
); );
IterationStartsListener noise = new IterationStartsListener() { IterationStartsListener noise = new IterationStartsListener() {
@Override @Override
@ -354,50 +353,52 @@ public class Jsprit {
worst.setNoiseMaker(new NoiseMaker() { worst.setNoiseMaker(new NoiseMaker() {
public double makeNoise() { public double makeNoise() {
if (random.nextDouble() < toDouble(getProperty(Parameter.RUIN_WORST_NOISE_PROB.toString()))) { if(random.nextDouble() < toDouble(getProperty(Parameter.RUIN_WORST_NOISE_PROB.toString()))) {
return toDouble(getProperty(Parameter.RUIN_WORST_NOISE_LEVEL.toString())) return toDouble(getProperty(Parameter.RUIN_WORST_NOISE_LEVEL.toString()))
* noiseMaker.maxCosts * random.nextDouble(); * noiseMaker.maxCosts * random.nextDouble();
} else return 0.; }
else return 0.;
} }
}); });
} }
}; };
final RuinClusters clusters = new RuinClusters(vrp, (int) (vrp.getJobs().values().size() * 0.5), jobNeighborhoods); final RuinClusters clusters = new RuinClusters(vrp,(int) (vrp.getJobs().values().size()*0.5),jobNeighborhoods);
clusters.setRandom(random); clusters.setRandom(random);
clusters.setRuinShareFactory(new RuinShareFactoryImpl( clusters.setRuinShareFactory(new RuinShareFactoryImpl(
toInteger(properties.getProperty(Parameter.WORST_MIN_SHARE.toString())), toInteger(properties.getProperty(Parameter.WORST_MIN_SHARE.toString())),
toInteger(properties.getProperty(Parameter.WORST_MAX_SHARE.toString())), toInteger(properties.getProperty(Parameter.WORST_MAX_SHARE.toString())),
random) random)
); );
AbstractInsertionStrategy regret; AbstractInsertionStrategy regret;
final RegretInsertion.DefaultScorer scorer; final RegretInsertion.DefaultScorer scorer;
if (noThreads == null) { if(noThreads == null){
noThreads = toInteger(getProperty(Parameter.THREADS.toString())); noThreads = toInteger(getProperty(Parameter.THREADS.toString()));
} }
if (noThreads > 1) { if(noThreads > 1){
if (es == null) { if(es == null){
setupExecutorInternally = true; setupExecutorInternally = true;
es = Executors.newFixedThreadPool(noThreads); es = Executors.newFixedThreadPool(noThreads);
} }
} }
if (es != null) { if(es != null) {
RegretInsertionConcurrent regretInsertion = (RegretInsertionConcurrent) new InsertionBuilder(vrp, fm, stateManager, constraintManager) RegretInsertionConcurrent regretInsertion = (RegretInsertionConcurrent) new InsertionBuilder(vrp, fm, stateManager, constraintManager)
.setInsertionStrategy(InsertionBuilder.Strategy.REGRET) .setInsertionStrategy(InsertionBuilder.Strategy.REGRET)
.setConcurrentMode(es, noThreads) .setConcurrentMode(es, noThreads)
.considerFixedCosts(toDouble(getProperty(Parameter.FIXED_COST_PARAM.toString()))) .considerFixedCosts(toDouble(getProperty(Parameter.FIXED_COST_PARAM.toString())))
.setAllowVehicleSwitch(toBoolean(getProperty(Parameter.VEHICLE_SWITCH.toString()))) .setAllowVehicleSwitch(toBoolean(getProperty(Parameter.VEHICLE_SWITCH.toString())))
.build(); .build();
scorer = getRegretScorer(vrp); scorer = getRegretScorer(vrp);
regretInsertion.setScoringFunction(scorer); regretInsertion.setScoringFunction(scorer);
regret = regretInsertion; regret = regretInsertion;
} else { }
else {
RegretInsertion regretInsertion = (RegretInsertion) new InsertionBuilder(vrp, fm, stateManager, constraintManager) RegretInsertion regretInsertion = (RegretInsertion) new InsertionBuilder(vrp, fm, stateManager, constraintManager)
.setInsertionStrategy(InsertionBuilder.Strategy.REGRET) .setInsertionStrategy(InsertionBuilder.Strategy.REGRET)
.setAllowVehicleSwitch(toBoolean(getProperty(Parameter.VEHICLE_SWITCH.toString()))) .setAllowVehicleSwitch(toBoolean(getProperty(Parameter.VEHICLE_SWITCH.toString())))
.considerFixedCosts(toDouble(getProperty(Parameter.FIXED_COST_PARAM.toString()))) .considerFixedCosts(toDouble(getProperty(Parameter.FIXED_COST_PARAM.toString())))
.build(); .build();
scorer = getRegretScorer(vrp); scorer = getRegretScorer(vrp);
regretInsertion.setScoringFunction(scorer); regretInsertion.setScoringFunction(scorer);
regret = regretInsertion; regret = regretInsertion;
@ -405,29 +406,30 @@ public class Jsprit {
regret.setRandom(random); regret.setRandom(random);
AbstractInsertionStrategy best; AbstractInsertionStrategy best;
if (vrp.getJobs().size() < 250 || es == null) { if(vrp.getJobs().size() < 250 || es == null) {
BestInsertion bestInsertion = (BestInsertion) new InsertionBuilder(vrp, fm, stateManager, constraintManager) BestInsertion bestInsertion = (BestInsertion) new InsertionBuilder(vrp, fm, stateManager, constraintManager)
.setInsertionStrategy(InsertionBuilder.Strategy.BEST) .setInsertionStrategy(InsertionBuilder.Strategy.BEST)
.considerFixedCosts(Double.valueOf(properties.getProperty(Parameter.FIXED_COST_PARAM.toString()))) .considerFixedCosts(Double.valueOf(properties.getProperty(Parameter.FIXED_COST_PARAM.toString())))
.setAllowVehicleSwitch(toBoolean(getProperty(Parameter.VEHICLE_SWITCH.toString()))) .setAllowVehicleSwitch(toBoolean(getProperty(Parameter.VEHICLE_SWITCH.toString())))
.build(); .build();
best = bestInsertion; best = bestInsertion;
} else { }
else{
BestInsertionConcurrent bestInsertion = (BestInsertionConcurrent) new InsertionBuilder(vrp, fm, stateManager, constraintManager) BestInsertionConcurrent bestInsertion = (BestInsertionConcurrent) new InsertionBuilder(vrp, fm, stateManager, constraintManager)
.setInsertionStrategy(InsertionBuilder.Strategy.BEST) .setInsertionStrategy(InsertionBuilder.Strategy.BEST)
.considerFixedCosts(Double.valueOf(properties.getProperty(Parameter.FIXED_COST_PARAM.toString()))) .considerFixedCosts(Double.valueOf(properties.getProperty(Parameter.FIXED_COST_PARAM.toString())))
.setAllowVehicleSwitch(toBoolean(getProperty(Parameter.VEHICLE_SWITCH.toString()))) .setAllowVehicleSwitch(toBoolean(getProperty(Parameter.VEHICLE_SWITCH.toString())))
.setConcurrentMode(es, noThreads) .setConcurrentMode(es, noThreads)
.build(); .build();
best = bestInsertion; best = bestInsertion;
} }
best.setRandom(random); best.setRandom(random);
final SchrimpfAcceptance schrimpfAcceptance = new SchrimpfAcceptance(1, toDouble(getProperty(Parameter.THRESHOLD_ALPHA.toString()))); final SchrimpfAcceptance schrimpfAcceptance = new SchrimpfAcceptance(1,toDouble(getProperty(Parameter.THRESHOLD_ALPHA.toString())));
IterationStartsListener schrimpfThreshold = new IterationStartsListener() { IterationStartsListener schrimpfThreshold = new IterationStartsListener() {
@Override @Override
public void informIterationStarts(int i, VehicleRoutingProblem problem, Collection<VehicleRoutingProblemSolution> solutions) { public void informIterationStarts(int i, VehicleRoutingProblem problem, Collection<VehicleRoutingProblemSolution> solutions) {
if (i == 1) { if(i == 1){
double initialThreshold = Solutions.bestOf(solutions).getCost() * toDouble(getProperty(Parameter.THRESHOLD_INI.toString())); double initialThreshold = Solutions.bestOf(solutions).getCost() * toDouble(getProperty(Parameter.THRESHOLD_INI.toString()));
schrimpfAcceptance.setInitialThreshold(initialThreshold); schrimpfAcceptance.setInitialThreshold(initialThreshold);
} }
@ -435,47 +437,48 @@ public class Jsprit {
}; };
SolutionCostCalculator objectiveFunction = getObjectiveFunction(vrp, noiseMaker.maxCosts); SolutionCostCalculator objectiveFunction = getObjectiveFunction(vrp, noiseMaker.maxCosts);
SearchStrategy radial_regret = new SearchStrategy(Strategy.RADIAL_REGRET.toString(), new SelectBest(), schrimpfAcceptance, objectiveFunction); SearchStrategy radial_regret = new SearchStrategy(Strategy.RADIAL_REGRET.toString(),new SelectBest(),schrimpfAcceptance, objectiveFunction);
radial_regret.addModule(new RuinAndRecreateModule(Strategy.RADIAL_REGRET.toString(), regret, radial)); radial_regret.addModule(new RuinAndRecreateModule(Strategy.RADIAL_REGRET.toString(), regret, radial));
SearchStrategy radial_best = new SearchStrategy(Strategy.RADIAL_BEST.toString(), new SelectBest(), schrimpfAcceptance, objectiveFunction); SearchStrategy radial_best = new SearchStrategy(Strategy.RADIAL_BEST.toString(),new SelectBest(),schrimpfAcceptance,objectiveFunction);
radial_best.addModule(new RuinAndRecreateModule(Strategy.RADIAL_BEST.toString(), best, radial)); radial_best.addModule(new RuinAndRecreateModule(Strategy.RADIAL_BEST.toString(),best,radial));
SearchStrategy random_best = new SearchStrategy(Strategy.RANDOM_BEST.toString(), new SelectBest(), schrimpfAcceptance, objectiveFunction); SearchStrategy random_best = new SearchStrategy(Strategy.RANDOM_BEST.toString(),new SelectBest(),schrimpfAcceptance,objectiveFunction);
random_best.addModule(new RuinAndRecreateModule(Strategy.RANDOM_BEST.toString(), best, random_for_best)); random_best.addModule(new RuinAndRecreateModule(Strategy.RANDOM_BEST.toString(),best,random_for_best));
SearchStrategy random_regret = new SearchStrategy(Strategy.RANDOM_REGRET.toString(), new SelectBest(), schrimpfAcceptance, objectiveFunction); SearchStrategy random_regret = new SearchStrategy(Strategy.RANDOM_REGRET.toString(),new SelectBest(),schrimpfAcceptance,objectiveFunction);
random_regret.addModule(new RuinAndRecreateModule(Strategy.RANDOM_REGRET.toString(), regret, random_for_regret)); random_regret.addModule(new RuinAndRecreateModule(Strategy.RANDOM_REGRET.toString(),regret,random_for_regret));
SearchStrategy worst_regret = new SearchStrategy(Strategy.WORST_REGRET.toString(), new SelectBest(), schrimpfAcceptance, objectiveFunction); SearchStrategy worst_regret = new SearchStrategy(Strategy.WORST_REGRET.toString(),new SelectBest(),schrimpfAcceptance,objectiveFunction);
worst_regret.addModule(new RuinAndRecreateModule(Strategy.WORST_REGRET.toString(), regret, worst)); worst_regret.addModule(new RuinAndRecreateModule(Strategy.WORST_REGRET.toString(),regret,worst));
SearchStrategy worst_best = new SearchStrategy(Strategy.WORST_BEST.toString(), new SelectBest(), schrimpfAcceptance, objectiveFunction); SearchStrategy worst_best = new SearchStrategy(Strategy.WORST_BEST.toString(),new SelectBest(),schrimpfAcceptance,objectiveFunction);
worst_best.addModule(new RuinAndRecreateModule(Strategy.WORST_BEST.toString(), best, worst)); worst_best.addModule(new RuinAndRecreateModule(Strategy.WORST_BEST.toString(),best,worst));
final SearchStrategy clusters_regret = new SearchStrategy(Strategy.CLUSTER_REGRET.toString(), new SelectBest(), schrimpfAcceptance, objectiveFunction); final SearchStrategy clusters_regret = new SearchStrategy(Strategy.CLUSTER_REGRET.toString(),new SelectBest(),schrimpfAcceptance,objectiveFunction);
clusters_regret.addModule(new RuinAndRecreateModule(Strategy.CLUSTER_REGRET.toString(), regret, clusters)); clusters_regret.addModule(new RuinAndRecreateModule(Strategy.CLUSTER_REGRET.toString(),regret,clusters));
final SearchStrategy clusters_best = new SearchStrategy(Strategy.CLUSTER_BEST.toString(), new SelectBest(), schrimpfAcceptance, objectiveFunction); final SearchStrategy clusters_best = new SearchStrategy(Strategy.CLUSTER_BEST.toString(),new SelectBest(),schrimpfAcceptance,objectiveFunction);
clusters_best.addModule(new RuinAndRecreateModule(Strategy.CLUSTER_BEST.toString(), best, clusters)); clusters_best.addModule(new RuinAndRecreateModule(Strategy.CLUSTER_BEST.toString(),best,clusters));
PrettyAlgorithmBuilder prettyBuilder = PrettyAlgorithmBuilder.newInstance(vrp, fm, stateManager, constraintManager); PrettyAlgorithmBuilder prettyBuilder = PrettyAlgorithmBuilder.newInstance(vrp, fm, stateManager, constraintManager);
prettyBuilder.setRandom(random); prettyBuilder.setRandom(random);
if (addCoreConstraints) { if(addCoreConstraints){
prettyBuilder.addCoreStateAndConstraintStuff(); prettyBuilder.addCoreStateAndConstraintStuff();
} }
prettyBuilder.withStrategy(radial_regret, toDouble(getProperty(Strategy.RADIAL_REGRET.toString()))) prettyBuilder.withStrategy(radial_regret, toDouble(getProperty(Strategy.RADIAL_REGRET.toString())))
.withStrategy(radial_best, toDouble(getProperty(Strategy.RADIAL_BEST.toString()))) .withStrategy(radial_best, toDouble(getProperty(Strategy.RADIAL_BEST.toString())))
.withStrategy(random_best, toDouble(getProperty(Strategy.RANDOM_BEST.toString()))) .withStrategy(random_best, toDouble(getProperty(Strategy.RANDOM_BEST.toString())))
.withStrategy(random_regret, toDouble(getProperty(Strategy.RANDOM_REGRET.toString()))) .withStrategy(random_regret, toDouble(getProperty(Strategy.RANDOM_REGRET.toString())))
.withStrategy(worst_best, toDouble(getProperty(Strategy.WORST_BEST.toString()))) .withStrategy(worst_best, toDouble(getProperty(Strategy.WORST_BEST.toString())))
.withStrategy(worst_regret, toDouble(getProperty(Strategy.WORST_REGRET.toString()))) .withStrategy(worst_regret, toDouble(getProperty(Strategy.WORST_REGRET.toString())))
.withStrategy(clusters_regret, toDouble(getProperty(Strategy.CLUSTER_REGRET.toString()))) .withStrategy(clusters_regret,toDouble(getProperty(Strategy.CLUSTER_REGRET.toString())))
.withStrategy(clusters_best, toDouble(getProperty(Strategy.CLUSTER_BEST.toString()))); .withStrategy(clusters_best,toDouble(getProperty(Strategy.CLUSTER_BEST.toString())));
if (getProperty(Parameter.CONSTRUCTION.toString()).equals(Construction.BEST_INSERTION.toString())) { if (getProperty(Parameter.CONSTRUCTION.toString()).equals(Construction.BEST_INSERTION.toString())){
prettyBuilder.constructInitialSolutionWith(best, objectiveFunction); prettyBuilder.constructInitialSolutionWith(best, objectiveFunction);
} else { }
else{
prettyBuilder.constructInitialSolutionWith(regret, objectiveFunction); prettyBuilder.constructInitialSolutionWith(regret, objectiveFunction);
} }
@ -501,7 +504,7 @@ public class Jsprit {
private void handleExecutorShutdown(VehicleRoutingAlgorithm vra) { private void handleExecutorShutdown(VehicleRoutingAlgorithm vra) {
if (setupExecutorInternally) { if(setupExecutorInternally){
vra.addListener(new AlgorithmEndsListener() { vra.addListener(new AlgorithmEndsListener() {
@Override @Override
@ -511,7 +514,7 @@ public class Jsprit {
}); });
} }
if (es != null) { if(es != null) {
Runtime.getRuntime().addShutdownHook(new Thread() { Runtime.getRuntime().addShutdownHook(new Thread() {
public void run() { public void run() {
if (!es.isShutdown()) { if (!es.isShutdown()) {
@ -523,7 +526,7 @@ public class Jsprit {
} }
} }
String getProperty(String key) { String getProperty(String key){
return properties.getProperty(key); return properties.getProperty(key);
} }
@ -540,20 +543,21 @@ public class Jsprit {
} }
private SolutionCostCalculator getObjectiveFunction(final VehicleRoutingProblem vrp, final double maxCosts) { private SolutionCostCalculator getObjectiveFunction(final VehicleRoutingProblem vrp, final double maxCosts) {
if (objectiveFunction != null) return objectiveFunction; if(objectiveFunction != null) return objectiveFunction;
SolutionCostCalculator solutionCostCalculator = new SolutionCostCalculator() { SolutionCostCalculator solutionCostCalculator = new SolutionCostCalculator() {
@Override @Override
public double getCosts(VehicleRoutingProblemSolution solution) { public double getCosts(VehicleRoutingProblemSolution solution) {
double costs = 0.; double costs = 0.;
for (VehicleRoute route : solution.getRoutes()) { for(VehicleRoute route : solution.getRoutes()){
costs += route.getVehicle().getType().getVehicleCostParams().fix; costs += route.getVehicle().getType().getVehicleCostParams().fix;
TourActivity prevAct = route.getStart(); TourActivity prevAct = route.getStart();
for (TourActivity act : route.getActivities()) { for(TourActivity act : route.getActivities()){
costs += vrp.getTransportCosts().getTransportCost(prevAct.getLocation(), act.getLocation(), prevAct.getEndTime(), route.getDriver(), route.getVehicle()); costs += vrp.getTransportCosts().getTransportCost(prevAct.getLocation(),act.getLocation(),prevAct.getEndTime(),route.getDriver(),route.getVehicle());
costs += vrp.getActivityCosts().getActivityCost(act,act.getArrTime(),route.getDriver(),route.getVehicle());
prevAct = act; prevAct = act;
} }
costs += vrp.getTransportCosts().getTransportCost(prevAct.getLocation(), route.getEnd().getLocation(), prevAct.getEndTime(), route.getDriver(), route.getVehicle()); costs += vrp.getTransportCosts().getTransportCost(prevAct.getLocation(),route.getEnd().getLocation(),prevAct.getEndTime(),route.getDriver(),route.getVehicle());
} }
costs += solution.getUnassignedJobs().size() * maxCosts * 2; costs += solution.getUnassignedJobs().size() * maxCosts * 2;
return costs; return costs;

40
jsprit-core/src/main/java/jsprit/core/algorithm/recreate/ConfigureLocalActivityInsertionCalculator.java Normal file
View file

@ -0,0 +1,40 @@
package jsprit.core.algorithm.recreate;
import jsprit.core.algorithm.recreate.listener.InsertionStartsListener;
import jsprit.core.algorithm.recreate.listener.JobInsertedListener;
import jsprit.core.problem.VehicleRoutingProblem;
import jsprit.core.problem.job.Job;
import jsprit.core.problem.solution.route.VehicleRoute;
import java.util.Collection;
/**
* Created by schroeder on 22/07/15.
*/
public class ConfigureLocalActivityInsertionCalculator implements InsertionStartsListener, JobInsertedListener {
private VehicleRoutingProblem vrp;
private LocalActivityInsertionCostsCalculator localActivityInsertionCostsCalculator;
private int nuOfJobsToRecreate;
public ConfigureLocalActivityInsertionCalculator(VehicleRoutingProblem vrp, LocalActivityInsertionCostsCalculator localActivityInsertionCostsCalculator) {
this.vrp = vrp;
this.localActivityInsertionCostsCalculator = localActivityInsertionCostsCalculator;
}
@Override
public void informInsertionStarts(Collection<VehicleRoute> vehicleRoutes, Collection<Job> unassignedJobs) {
this.nuOfJobsToRecreate = unassignedJobs.size();
double completenessRatio = (1-((double)nuOfJobsToRecreate/(double)vrp.getJobs().values().size()));
localActivityInsertionCostsCalculator.setSolutionCompletenessRatio(Math.max(0.5,completenessRatio));
}
@Override
public void informJobInserted(Job job2insert, VehicleRoute inRoute, double additionalCosts, double additionalTime) {
nuOfJobsToRecreate--;
double completenessRatio = (1-((double)nuOfJobsToRecreate/(double)vrp.getJobs().values().size()));
localActivityInsertionCostsCalculator.setSolutionCompletenessRatio(Math.max(0.5,completenessRatio));
}
}

479
jsprit-core/src/main/java/jsprit/core/algorithm/recreate/JobInsertionCostsCalculatorBuilder.java
View file

@ -32,249 +32,252 @@ import java.util.ArrayList;
import java.util.List; import java.util.List;
public class JobInsertionCostsCalculatorBuilder { public class JobInsertionCostsCalculatorBuilder {
private static class CalculatorPlusListeners { private static class CalculatorPlusListeners {
private JobInsertionCostsCalculator calculator; private JobInsertionCostsCalculator calculator;
public JobInsertionCostsCalculator getCalculator() { public JobInsertionCostsCalculator getCalculator() {
return calculator; return calculator;
} }
private List<PrioritizedVRAListener> algorithmListener = new ArrayList<PrioritizedVRAListener>(); private List<PrioritizedVRAListener> algorithmListener = new ArrayList<PrioritizedVRAListener>();
private List<InsertionListener> insertionListener = new ArrayList<InsertionListener>(); private List<InsertionListener> insertionListener = new ArrayList<InsertionListener>();
public CalculatorPlusListeners(JobInsertionCostsCalculator calculator) { public CalculatorPlusListeners(JobInsertionCostsCalculator calculator) {
super(); super();
this.calculator = calculator; this.calculator = calculator;
} }
public List<PrioritizedVRAListener> getAlgorithmListener() { public List<PrioritizedVRAListener> getAlgorithmListener() {
return algorithmListener; return algorithmListener;
} }
public List<InsertionListener> getInsertionListener() { public List<InsertionListener> getInsertionListener() {
return insertionListener; return insertionListener;
} }
} }
private List<InsertionListener> insertionListeners; private List<InsertionListener> insertionListeners;
private List<PrioritizedVRAListener> algorithmListeners; private List<PrioritizedVRAListener> algorithmListeners;
private VehicleRoutingProblem vrp; private VehicleRoutingProblem vrp;
private RouteAndActivityStateGetter states; private RouteAndActivityStateGetter states;
private boolean local = true; private boolean local = true;
private int forwardLooking = 0; private int forwardLooking = 0;
private int memory = 1; private int memory = 1;
private boolean considerFixedCost = false; private boolean considerFixedCost = false;
private double weightOfFixedCost = 0; private double weightOfFixedCost = 0;
private VehicleFleetManager fleetManager; private VehicleFleetManager fleetManager;
private boolean timeScheduling = false; private boolean timeScheduling = false;
private double timeSlice; private double timeSlice;
private int neighbors; private int neighbors;
private ConstraintManager constraintManager; private ConstraintManager constraintManager;
private ActivityInsertionCostsCalculator activityInsertionCostCalculator = null; private ActivityInsertionCostsCalculator activityInsertionCostCalculator = null;
private boolean allowVehicleSwitch = true; private boolean allowVehicleSwitch = true;
private boolean addDefaultCostCalc = true; private boolean addDefaultCostCalc = true;
/** /**
* Constructs the builder. * Constructs the builder.
* <p/> *
* <p>Some calculators require information from the overall algorithm or the higher-level insertion procedure. Thus listeners inform them. * <p>Some calculators require information from the overall algorithm or the higher-level insertion procedure. Thus listeners inform them.
* These listeners are cached in the according list and can thus be added when its time to add them. * These listeners are cached in the according list and can thus be added when its time to add them.
* *
* @param insertionListeners * @param insertionListeners
* @param algorithmListeners * @param algorithmListeners
*/ */
public JobInsertionCostsCalculatorBuilder(List<InsertionListener> insertionListeners, List<PrioritizedVRAListener> algorithmListeners) { public JobInsertionCostsCalculatorBuilder(List<InsertionListener> insertionListeners, List<PrioritizedVRAListener> algorithmListeners) {
super(); super();
this.insertionListeners = insertionListeners; this.insertionListeners = insertionListeners;
this.algorithmListeners = algorithmListeners; this.algorithmListeners = algorithmListeners;
} }
/** /**
* Sets activityStates. MUST be set. * Sets activityStates. MUST be set.
* * @param stateManager
* @param stateManager *
* @return * @return
*/ */
public JobInsertionCostsCalculatorBuilder setStateManager(RouteAndActivityStateGetter stateManager) { public JobInsertionCostsCalculatorBuilder setStateManager(RouteAndActivityStateGetter stateManager){
this.states = stateManager; this.states = stateManager;
return this;
}
/**
* Sets routingProblem. MUST be set.
*
* @param vehicleRoutingProblem
* @return
*/
public JobInsertionCostsCalculatorBuilder setVehicleRoutingProblem(VehicleRoutingProblem vehicleRoutingProblem){
this.vrp = vehicleRoutingProblem;
return this;
}
/**
* Sets fleetManager. MUST be set.
*
* @param fleetManager
* @return
*/
public JobInsertionCostsCalculatorBuilder setVehicleFleetManager(VehicleFleetManager fleetManager){
this.fleetManager = fleetManager;
return this;
}
/**
* Sets a flag to build a calculator based on local calculations.
*
* <p>Insertion of a job and job-activity is evaluated based on the previous and next activity.
* @param addDefaultCostCalc
*/
public JobInsertionCostsCalculatorBuilder setLocalLevel(boolean addDefaultCostCalc){
local = true;
this.addDefaultCostCalc = addDefaultCostCalc;
return this; return this;
} }
/** public JobInsertionCostsCalculatorBuilder setActivityInsertionCostsCalculator(ActivityInsertionCostsCalculator activityInsertionCostsCalculator){
* Sets routingProblem. MUST be set. this.activityInsertionCostCalculator = activityInsertionCostsCalculator;
*
* @param vehicleRoutingProblem
* @return
*/
public JobInsertionCostsCalculatorBuilder setVehicleRoutingProblem(VehicleRoutingProblem vehicleRoutingProblem) {
this.vrp = vehicleRoutingProblem;
return this; return this;
} }
/** /**
* Sets fleetManager. MUST be set. * Sets a flag to build a calculator that evaluates job insertion on route-level.
* *
* @param fleetManager * @param forwardLooking
* @return * @param memory
*/ * @param addDefaultMarginalCostCalc
public JobInsertionCostsCalculatorBuilder setVehicleFleetManager(VehicleFleetManager fleetManager) { */
this.fleetManager = fleetManager; public JobInsertionCostsCalculatorBuilder setRouteLevel(int forwardLooking, int memory, boolean addDefaultMarginalCostCalc){
local = false;
this.forwardLooking = forwardLooking;
this.memory = memory;
return this; return this;
} }
/** /**
* Sets a flag to build a calculator based on local calculations. * Sets a flag to consider also fixed-cost when evaluating the insertion of a job. The weight of the fixed-cost can be determined by setting
* <p/> * weightofFixedCosts.
* <p>Insertion of a job and job-activity is evaluated based on the previous and next activity. *
* * @param weightOfFixedCosts
* @param addDefaultCostCalc */
*/ public JobInsertionCostsCalculatorBuilder considerFixedCosts(double weightOfFixedCosts){
public JobInsertionCostsCalculatorBuilder setLocalLevel(boolean addDefaultCostCalc) { considerFixedCost = true;
local = true; this.weightOfFixedCost = weightOfFixedCosts;
this.addDefaultCostCalc = addDefaultCostCalc;
return this; return this;
} }
public JobInsertionCostsCalculatorBuilder setActivityInsertionCostsCalculator(ActivityInsertionCostsCalculator activityInsertionCostsCalculator) { public JobInsertionCostsCalculatorBuilder experimentalTimeScheduler(double timeSlice, int neighbors){
this.activityInsertionCostCalculator = activityInsertionCostsCalculator; timeScheduling = true;
this.timeSlice = timeSlice;
this.neighbors = neighbors;
return this; return this;
} }
/** /**
* Sets a flag to build a calculator that evaluates job insertion on route-level. * Builds the jobInsertionCalculator.
* *
* @param forwardLooking * @return jobInsertionCalculator.
* @param memory * @throws IllegalStateException if vrp == null or activityStates == null or fleetManager == null.
* @param addDefaultMarginalCostCalc */
*/ public JobInsertionCostsCalculator build(){
public JobInsertionCostsCalculatorBuilder setRouteLevel(int forwardLooking, int memory, boolean addDefaultMarginalCostCalc) { if(vrp == null) throw new IllegalStateException("vehicle-routing-problem is null, but it must be set (this.setVehicleRoutingProblem(vrp))");
local = false; if(states == null) throw new IllegalStateException("states is null, but is must be set (this.setStateManager(states))");
this.forwardLooking = forwardLooking; if(fleetManager == null) throw new IllegalStateException("fleetManager is null, but it must be set (this.setVehicleFleetManager(fleetManager))");
this.memory = memory; JobInsertionCostsCalculator baseCalculator = null;
return this; CalculatorPlusListeners standardLocal = null;
} if(local){
standardLocal = createStandardLocal(vrp, states);
/** }
* Sets a flag to consider also fixed-cost when evaluating the insertion of a job. The weight of the fixed-cost can be determined by setting else{
* weightofFixedCosts. checkServicesOnly();
* standardLocal = createStandardRoute(vrp, states,forwardLooking,memory);
* @param weightOfFixedCosts }
*/ baseCalculator = standardLocal.getCalculator();
public JobInsertionCostsCalculatorBuilder considerFixedCosts(double weightOfFixedCosts) { addAlgorithmListeners(standardLocal.getAlgorithmListener());
considerFixedCost = true; addInsertionListeners(standardLocal.getInsertionListener());
this.weightOfFixedCost = weightOfFixedCosts; if(considerFixedCost){
return this; CalculatorPlusListeners withFixed = createCalculatorConsideringFixedCosts(vrp, baseCalculator, states, weightOfFixedCost);
} baseCalculator = withFixed.getCalculator();
addAlgorithmListeners(withFixed.getAlgorithmListener());
public JobInsertionCostsCalculatorBuilder experimentalTimeScheduler(double timeSlice, int neighbors) { addInsertionListeners(withFixed.getInsertionListener());
timeScheduling = true; }
this.timeSlice = timeSlice; if(timeScheduling){
this.neighbors = neighbors;
return this;
}
/**
* Builds the jobInsertionCalculator.
*
* @return jobInsertionCalculator.
* @throws IllegalStateException if vrp == null or activityStates == null or fleetManager == null.
*/
public JobInsertionCostsCalculator build() {
if (vrp == null)
throw new IllegalStateException("vehicle-routing-problem is null, but it must be set (this.setVehicleRoutingProblem(vrp))");
if (states == null)
throw new IllegalStateException("states is null, but is must be set (this.setStateManager(states))");
if (fleetManager == null)
throw new IllegalStateException("fleetManager is null, but it must be set (this.setVehicleFleetManager(fleetManager))");
JobInsertionCostsCalculator baseCalculator = null;
CalculatorPlusListeners standardLocal = null;
if (local) {
standardLocal = createStandardLocal(vrp, states);
} else {
checkServicesOnly();
standardLocal = createStandardRoute(vrp, states, forwardLooking, memory);
}
baseCalculator = standardLocal.getCalculator();
addAlgorithmListeners(standardLocal.getAlgorithmListener());
addInsertionListeners(standardLocal.getInsertionListener());
if (considerFixedCost) {
CalculatorPlusListeners withFixed = createCalculatorConsideringFixedCosts(vrp, baseCalculator, states, weightOfFixedCost);
baseCalculator = withFixed.getCalculator();
addAlgorithmListeners(withFixed.getAlgorithmListener());
addInsertionListeners(withFixed.getInsertionListener());
}
if (timeScheduling) {
// baseCalculator = new CalculatesServiceInsertionWithTimeSchedulingInSlices(baseCalculator,timeSlice,neighbors); // baseCalculator = new CalculatesServiceInsertionWithTimeSchedulingInSlices(baseCalculator,timeSlice,neighbors);
CalculatesServiceInsertionWithTimeScheduling wts = new CalculatesServiceInsertionWithTimeScheduling(baseCalculator, timeSlice, neighbors); CalculatesServiceInsertionWithTimeScheduling wts = new CalculatesServiceInsertionWithTimeScheduling(baseCalculator,timeSlice,neighbors);
CalculatorPlusListeners calcPlusListeners = new CalculatorPlusListeners(wts); CalculatorPlusListeners calcPlusListeners = new CalculatorPlusListeners(wts);
calcPlusListeners.getInsertionListener().add(new CalculatesServiceInsertionWithTimeScheduling.KnowledgeInjection(wts)); calcPlusListeners.getInsertionListener().add(new CalculatesServiceInsertionWithTimeScheduling.KnowledgeInjection(wts));
addInsertionListeners(calcPlusListeners.getInsertionListener()); addInsertionListeners(calcPlusListeners.getInsertionListener());
baseCalculator = calcPlusListeners.getCalculator(); baseCalculator = calcPlusListeners.getCalculator();
} }
return createFinalInsertion(fleetManager, baseCalculator, states); return createFinalInsertion(fleetManager, baseCalculator, states);
} }
private void checkServicesOnly() { private void checkServicesOnly() {
for (Job j : vrp.getJobs().values()) { for(Job j : vrp.getJobs().values()){
if (j instanceof Shipment) { if(j instanceof Shipment){
throw new UnsupportedOperationException("currently the 'insert-on-route-level' option is only available for services (i.e. service, pickup, delivery), \n" + throw new UnsupportedOperationException("currently the 'insert-on-route-level' option is only available for services (i.e. service, pickup, delivery), \n" +
"if you want to deal with shipments switch to option 'local-level' by either setting bestInsertionBuilder.setLocalLevel() or \n" "if you want to deal with shipments switch to option 'local-level' by either setting bestInsertionBuilder.setLocalLevel() or \n"
+ "by omitting the xml-tag '<level forwardLooking=2 memory=1>route</level>' when defining your insertionStrategy in algo-config.xml file"); + "by omitting the xml-tag '<level forwardLooking=2 memory=1>route</level>' when defining your insertionStrategy in algo-config.xml file");
} }
} }
} }
private void addInsertionListeners(List<InsertionListener> list) { private void addInsertionListeners(List<InsertionListener> list) {
for (InsertionListener iL : list) { for(InsertionListener iL : list){
insertionListeners.add(iL); insertionListeners.add(iL);
} }
} }
private void addAlgorithmListeners(List<PrioritizedVRAListener> list) { private void addAlgorithmListeners(List<PrioritizedVRAListener> list) {
for (PrioritizedVRAListener aL : list) { for(PrioritizedVRAListener aL : list){
algorithmListeners.add(aL); algorithmListeners.add(aL);
} }
} }
private CalculatorPlusListeners createStandardLocal(final VehicleRoutingProblem vrp, RouteAndActivityStateGetter statesManager) { private CalculatorPlusListeners createStandardLocal(final VehicleRoutingProblem vrp, RouteAndActivityStateGetter statesManager){
if (constraintManager == null) throw new IllegalStateException("constraint-manager is null"); if(constraintManager == null) throw new IllegalStateException("constraint-manager is null");
ActivityInsertionCostsCalculator actInsertionCalc; ActivityInsertionCostsCalculator actInsertionCalc;
if (activityInsertionCostCalculator == null && addDefaultCostCalc) { ConfigureLocalActivityInsertionCalculator configLocal = null;
actInsertionCalc = new LocalActivityInsertionCostsCalculator(vrp.getTransportCosts(), vrp.getActivityCosts()); if(activityInsertionCostCalculator == null && addDefaultCostCalc){
} else if (activityInsertionCostCalculator == null && !addDefaultCostCalc) { actInsertionCalc = new LocalActivityInsertionCostsCalculator(vrp.getTransportCosts(), vrp.getActivityCosts(), statesManager);
actInsertionCalc = new ActivityInsertionCostsCalculator() { configLocal = new ConfigureLocalActivityInsertionCalculator(vrp, (LocalActivityInsertionCostsCalculator) actInsertionCalc);
}
else if(activityInsertionCostCalculator == null && !addDefaultCostCalc){
actInsertionCalc = new ActivityInsertionCostsCalculator(){
@Override @Override
public double getCosts(JobInsertionContext iContext, TourActivity prevAct, TourActivity nextAct, TourActivity newAct, public double getCosts(JobInsertionContext iContext, TourActivity prevAct, TourActivity nextAct, TourActivity newAct,
double depTimeAtPrevAct) { double depTimeAtPrevAct) {
return 0.; return 0.;
} }
}; };
} else { }
actInsertionCalc = activityInsertionCostCalculator; else{
} actInsertionCalc = activityInsertionCostCalculator;
}
JobActivityFactory activityFactory = new JobActivityFactory() { JobActivityFactory activityFactory = new JobActivityFactory() {
@ -284,53 +287,59 @@ public class JobInsertionCostsCalculatorBuilder {
} }
}; };
ShipmentInsertionCalculator shipmentInsertion = new ShipmentInsertionCalculator(vrp.getTransportCosts(), actInsertionCalc, constraintManager); ShipmentInsertionCalculator shipmentInsertion = new ShipmentInsertionCalculator(vrp.getTransportCosts(), actInsertionCalc, constraintManager);
shipmentInsertion.setJobActivityFactory(activityFactory); shipmentInsertion.setJobActivityFactory(activityFactory);
ServiceInsertionCalculator serviceInsertion = new ServiceInsertionCalculator(vrp.getTransportCosts(), actInsertionCalc, constraintManager); ServiceInsertionCalculator serviceInsertion = new ServiceInsertionCalculator(vrp.getTransportCosts(), actInsertionCalc, constraintManager);
serviceInsertion.setJobActivityFactory(activityFactory); serviceInsertion.setJobActivityFactory(activityFactory);
JobCalculatorSwitcher switcher = new JobCalculatorSwitcher(); JobCalculatorSwitcher switcher = new JobCalculatorSwitcher();
switcher.put(Shipment.class, shipmentInsertion); switcher.put(Shipment.class, shipmentInsertion);
switcher.put(Service.class, serviceInsertion); switcher.put(Service.class, serviceInsertion);
switcher.put(Pickup.class, serviceInsertion); switcher.put(Pickup.class, serviceInsertion);
switcher.put(Delivery.class, serviceInsertion); switcher.put(Delivery.class, serviceInsertion);
return new CalculatorPlusListeners(switcher); CalculatorPlusListeners calculatorPlusListeners = new CalculatorPlusListeners(switcher);
} if(configLocal != null){
calculatorPlusListeners.insertionListener.add(configLocal);
}
return calculatorPlusListeners;
}
private CalculatorPlusListeners createCalculatorConsideringFixedCosts(VehicleRoutingProblem vrp, JobInsertionCostsCalculator baseCalculator, RouteAndActivityStateGetter activityStates2, double weightOfFixedCosts) { private CalculatorPlusListeners createCalculatorConsideringFixedCosts(VehicleRoutingProblem vrp, JobInsertionCostsCalculator baseCalculator, RouteAndActivityStateGetter activityStates2, double weightOfFixedCosts){
final JobInsertionConsideringFixCostsCalculator withFixCost = new JobInsertionConsideringFixCostsCalculator(baseCalculator, activityStates2); final JobInsertionConsideringFixCostsCalculator withFixCost = new JobInsertionConsideringFixCostsCalculator(baseCalculator, activityStates2);
withFixCost.setWeightOfFixCost(weightOfFixedCosts); withFixCost.setWeightOfFixCost(weightOfFixedCosts);
CalculatorPlusListeners calcPlusListeners = new CalculatorPlusListeners(withFixCost); CalculatorPlusListeners calcPlusListeners = new CalculatorPlusListeners(withFixCost);
calcPlusListeners.getInsertionListener().add(new ConfigureFixCostCalculator(vrp, withFixCost)); calcPlusListeners.getInsertionListener().add(new ConfigureFixCostCalculator(vrp, withFixCost));
return calcPlusListeners; return calcPlusListeners;
} }
private CalculatorPlusListeners createStandardRoute(final VehicleRoutingProblem vrp, RouteAndActivityStateGetter activityStates2, int forwardLooking, int solutionMemory) { private CalculatorPlusListeners createStandardRoute(final VehicleRoutingProblem vrp, RouteAndActivityStateGetter activityStates2, int forwardLooking, int solutionMemory){
ActivityInsertionCostsCalculator routeLevelCostEstimator; ActivityInsertionCostsCalculator routeLevelCostEstimator;
if (activityInsertionCostCalculator == null && addDefaultCostCalc) { if(activityInsertionCostCalculator == null && addDefaultCostCalc){
RouteLevelActivityInsertionCostsEstimator routeLevelActivityInsertionCostsEstimator = new RouteLevelActivityInsertionCostsEstimator(vrp.getTransportCosts(), vrp.getActivityCosts(), activityStates2); RouteLevelActivityInsertionCostsEstimator routeLevelActivityInsertionCostsEstimator = new RouteLevelActivityInsertionCostsEstimator(vrp.getTransportCosts(), vrp.getActivityCosts(), activityStates2);
routeLevelActivityInsertionCostsEstimator.setForwardLooking(forwardLooking); routeLevelActivityInsertionCostsEstimator.setForwardLooking(forwardLooking);
routeLevelCostEstimator = routeLevelActivityInsertionCostsEstimator; routeLevelCostEstimator = routeLevelActivityInsertionCostsEstimator;
} else if (activityInsertionCostCalculator == null && !addDefaultCostCalc) { }
routeLevelCostEstimator = new ActivityInsertionCostsCalculator() { else if(activityInsertionCostCalculator == null && !addDefaultCostCalc){
routeLevelCostEstimator = new ActivityInsertionCostsCalculator(){
final ActivityInsertionCosts noInsertionCosts = new ActivityInsertionCosts(0., 0.); final ActivityInsertionCosts noInsertionCosts = new ActivityInsertionCosts(0.,0.);
@Override @Override
public double getCosts(JobInsertionContext iContext, TourActivity prevAct, TourActivity nextAct, TourActivity newAct, public double getCosts(JobInsertionContext iContext, TourActivity prevAct, TourActivity nextAct, TourActivity newAct,
double depTimeAtPrevAct) { double depTimeAtPrevAct) {
return 0.; return 0.;
} }
}; };
} else { }
routeLevelCostEstimator = activityInsertionCostCalculator; else{
} routeLevelCostEstimator = activityInsertionCostCalculator;
}
ServiceInsertionOnRouteLevelCalculator jobInsertionCalculator = new ServiceInsertionOnRouteLevelCalculator(vrp.getTransportCosts(), vrp.getActivityCosts(), routeLevelCostEstimator, constraintManager, constraintManager); ServiceInsertionOnRouteLevelCalculator jobInsertionCalculator = new ServiceInsertionOnRouteLevelCalculator(vrp.getTransportCosts(), vrp.getActivityCosts(), routeLevelCostEstimator, constraintManager, constraintManager);
jobInsertionCalculator.setNuOfActsForwardLooking(forwardLooking); jobInsertionCalculator.setNuOfActsForwardLooking(forwardLooking);
jobInsertionCalculator.setMemorySize(solutionMemory); jobInsertionCalculator.setMemorySize(solutionMemory);
jobInsertionCalculator.setStates(activityStates2); jobInsertionCalculator.setStates(activityStates2);
jobInsertionCalculator.setJobActivityFactory(new JobActivityFactory() { jobInsertionCalculator.setJobActivityFactory(new JobActivityFactory() {
@Override @Override
public List<AbstractActivity> createActivities(Job job) { public List<AbstractActivity> createActivities(Job job) {
@ -338,23 +347,23 @@ public class JobInsertionCostsCalculatorBuilder {
} }
}); });
return new CalculatorPlusListeners(jobInsertionCalculator); return new CalculatorPlusListeners(jobInsertionCalculator);
} }
private JobInsertionCostsCalculator createFinalInsertion(VehicleFleetManager fleetManager, JobInsertionCostsCalculator baseCalc, RouteAndActivityStateGetter activityStates2) { private JobInsertionCostsCalculator createFinalInsertion(VehicleFleetManager fleetManager, JobInsertionCostsCalculator baseCalc, RouteAndActivityStateGetter activityStates2){
VehicleTypeDependentJobInsertionCalculator vehicleTypeDependentJobInsertionCalculator = new VehicleTypeDependentJobInsertionCalculator(vrp, fleetManager, baseCalc); VehicleTypeDependentJobInsertionCalculator vehicleTypeDependentJobInsertionCalculator = new VehicleTypeDependentJobInsertionCalculator(vrp, fleetManager, baseCalc);
vehicleTypeDependentJobInsertionCalculator.setVehicleSwitchAllowed(allowVehicleSwitch); vehicleTypeDependentJobInsertionCalculator.setVehicleSwitchAllowed(allowVehicleSwitch);
return vehicleTypeDependentJobInsertionCalculator; return vehicleTypeDependentJobInsertionCalculator;
} }
public JobInsertionCostsCalculatorBuilder setConstraintManager(ConstraintManager constraintManager) { public JobInsertionCostsCalculatorBuilder setConstraintManager(ConstraintManager constraintManager) {
this.constraintManager = constraintManager; this.constraintManager = constraintManager;
return this; return this;
} }
public JobInsertionCostsCalculatorBuilder setAllowVehicleSwitch(boolean allowVehicleSwitch) { public JobInsertionCostsCalculatorBuilder setAllowVehicleSwitch(boolean allowVehicleSwitch) {
this.allowVehicleSwitch = allowVehicleSwitch; this.allowVehicleSwitch = allowVehicleSwitch;
return this; return this;
} }
} }

109
jsprit-core/src/main/java/jsprit/core/algorithm/recreate/LocalActivityInsertionCostsCalculator.java
View file

@ -1,3 +1,4 @@
/******************************************************************************* /*******************************************************************************
* Copyright (C) 2014 Stefan Schroeder * Copyright (C) 2014 Stefan Schroeder
* *
@ -17,70 +18,96 @@
package jsprit.core.algorithm.recreate; package jsprit.core.algorithm.recreate;
import jsprit.core.algorithm.state.InternalStates;
import jsprit.core.problem.cost.VehicleRoutingActivityCosts; import jsprit.core.problem.cost.VehicleRoutingActivityCosts;
import jsprit.core.problem.cost.VehicleRoutingTransportCosts; import jsprit.core.problem.cost.VehicleRoutingTransportCosts;
import jsprit.core.problem.misc.JobInsertionContext; import jsprit.core.problem.misc.JobInsertionContext;
import jsprit.core.problem.solution.route.activity.End; import jsprit.core.problem.solution.route.activity.End;
import jsprit.core.problem.solution.route.activity.TourActivity; import jsprit.core.problem.solution.route.activity.TourActivity;
import jsprit.core.problem.solution.route.state.RouteAndActivityStateGetter;
import jsprit.core.problem.vehicle.Vehicle;
import jsprit.core.util.CalculationUtils; import jsprit.core.util.CalculationUtils;
/** /**
* Calculates activity insertion costs locally, i.e. by comparing the additional costs of insertion the new activity k between * Calculates activity insertion costs locally, i.e. by comparing the additional costs of insertion the new activity k between
* activity i (prevAct) and j (nextAct). * activity i (prevAct) and j (nextAct).
* Additional costs are then basically calculated as delta c = c_ik + c_kj - c_ij. * Additional costs are then basically calculated as delta c = c_ik + c_kj - c_ij.
* <p/> *
* <p>Note once time has an effect on costs this class requires activity endTimes. * <p>Note once time has an effect on costs this class requires activity endTimes.
* *
* @author stefan * @author stefan
*
*/ */
class LocalActivityInsertionCostsCalculator implements ActivityInsertionCostsCalculator { class LocalActivityInsertionCostsCalculator implements ActivityInsertionCostsCalculator{
private VehicleRoutingTransportCosts routingCosts; private VehicleRoutingTransportCosts routingCosts;
private VehicleRoutingActivityCosts activityCosts; private VehicleRoutingActivityCosts activityCosts;
private double activityCostsWeight = 1.;
public LocalActivityInsertionCostsCalculator(VehicleRoutingTransportCosts routingCosts, VehicleRoutingActivityCosts actCosts) { private double solutionCompletenessRatio = 1.;
super();
this.routingCosts = routingCosts;
this.activityCosts = actCosts;
}
@Override private RouteAndActivityStateGetter stateManager;
public double getCosts(JobInsertionContext iFacts, TourActivity prevAct, TourActivity nextAct, TourActivity newAct, double depTimeAtPrevAct) {
double tp_costs_prevAct_newAct = routingCosts.getTransportCost(prevAct.getLocation(), newAct.getLocation(), depTimeAtPrevAct, iFacts.getNewDriver(), iFacts.getNewVehicle()); public LocalActivityInsertionCostsCalculator(VehicleRoutingTransportCosts routingCosts, VehicleRoutingActivityCosts actCosts, RouteAndActivityStateGetter stateManager) {
double tp_time_prevAct_newAct = routingCosts.getTransportTime(prevAct.getLocation(), newAct.getLocation(), depTimeAtPrevAct, iFacts.getNewDriver(), iFacts.getNewVehicle()); super();
double newAct_arrTime = depTimeAtPrevAct + tp_time_prevAct_newAct; this.routingCosts = routingCosts;
double newAct_endTime = CalculationUtils.getActivityEndTime(newAct_arrTime, newAct); this.activityCosts = actCosts;
double act_costs_newAct = activityCosts.getActivityCost(newAct, newAct_arrTime, iFacts.getNewDriver(), iFacts.getNewVehicle()); this.stateManager = stateManager;
}
//open routes @Override
if (nextAct instanceof End) { public double getCosts(JobInsertionContext iFacts, TourActivity prevAct, TourActivity nextAct, TourActivity newAct, double depTimeAtPrevAct) {
if (!iFacts.getNewVehicle().isReturnToDepot()) {
return tp_costs_prevAct_newAct;
}
}
double tp_costs_newAct_nextAct = routingCosts.getTransportCost(newAct.getLocation(), nextAct.getLocation(), newAct_endTime, iFacts.getNewDriver(), iFacts.getNewVehicle()); double tp_costs_prevAct_newAct = routingCosts.getTransportCost(prevAct.getLocation(), newAct.getLocation(), depTimeAtPrevAct, iFacts.getNewDriver(), iFacts.getNewVehicle());
double tp_time_newAct_nextAct = routingCosts.getTransportTime(newAct.getLocation(), nextAct.getLocation(), newAct_endTime, iFacts.getNewDriver(), iFacts.getNewVehicle()); double tp_time_prevAct_newAct = routingCosts.getTransportTime(prevAct.getLocation(), newAct.getLocation(), depTimeAtPrevAct, iFacts.getNewDriver(), iFacts.getNewVehicle());
double nextAct_arrTime = newAct_endTime + tp_time_newAct_nextAct; double newAct_arrTime = depTimeAtPrevAct + tp_time_prevAct_newAct;
double act_costs_nextAct = activityCosts.getActivityCost(nextAct, nextAct_arrTime, iFacts.getNewDriver(), iFacts.getNewVehicle()); double newAct_endTime = CalculationUtils.getActivityEndTime(newAct_arrTime, newAct);
double totalCosts = tp_costs_prevAct_newAct + tp_costs_newAct_nextAct + act_costs_newAct + act_costs_nextAct;
double oldCosts; double act_costs_newAct = activityCosts.getActivityCost(newAct, newAct_arrTime, iFacts.getNewDriver(), iFacts.getNewVehicle());
if (iFacts.getRoute().isEmpty()) {
double tp_costs_prevAct_nextAct = routingCosts.getTransportCost(prevAct.getLocation(), nextAct.getLocation(), depTimeAtPrevAct, iFacts.getNewDriver(), iFacts.getNewVehicle());
double arrTime_nextAct = routingCosts.getTransportTime(prevAct.getLocation(), nextAct.getLocation(), depTimeAtPrevAct, iFacts.getNewDriver(), iFacts.getNewVehicle());
double actCost_nextAct = activityCosts.getActivityCost(nextAct, arrTime_nextAct, iFacts.getNewDriver(), iFacts.getNewVehicle());
oldCosts = tp_costs_prevAct_nextAct + actCost_nextAct;
} else {
double tp_costs_prevAct_nextAct = routingCosts.getTransportCost(prevAct.getLocation(), nextAct.getLocation(), prevAct.getEndTime(), iFacts.getRoute().getDriver(), iFacts.getRoute().getVehicle());
double arrTime_nextAct = routingCosts.getTransportTime(prevAct.getLocation(), nextAct.getLocation(), prevAct.getEndTime(), iFacts.getRoute().getDriver(), iFacts.getRoute().getVehicle());
double actCost_nextAct = activityCosts.getActivityCost(nextAct, arrTime_nextAct, iFacts.getRoute().getDriver(), iFacts.getRoute().getVehicle());
oldCosts = tp_costs_prevAct_nextAct + actCost_nextAct;
}
return totalCosts - oldCosts;
}
if(isEnd(nextAct) && !toDepot(iFacts.getNewVehicle())) return tp_costs_prevAct_newAct;
double tp_costs_newAct_nextAct = routingCosts.getTransportCost(newAct.getLocation(), nextAct.getLocation(), newAct_endTime, iFacts.getNewDriver(), iFacts.getNewVehicle());
double tp_time_newAct_nextAct = routingCosts.getTransportTime(newAct.getLocation(), nextAct.getLocation(), newAct_endTime, iFacts.getNewDriver(), iFacts.getNewVehicle());
double nextAct_arrTime = newAct_endTime + tp_time_newAct_nextAct;
double endTime_nextAct_new = CalculationUtils.getActivityEndTime(nextAct_arrTime, nextAct);
double act_costs_nextAct = activityCosts.getActivityCost(nextAct, nextAct_arrTime, iFacts.getNewDriver(), iFacts.getNewVehicle());
double totalCosts = tp_costs_prevAct_newAct + tp_costs_newAct_nextAct + solutionCompletenessRatio * activityCostsWeight * (act_costs_newAct + act_costs_nextAct);
double oldCosts = 0.;
if(iFacts.getRoute().isEmpty()){
double tp_costs_prevAct_nextAct = routingCosts.getTransportCost(prevAct.getLocation(), nextAct.getLocation(), depTimeAtPrevAct, iFacts.getNewDriver(), iFacts.getNewVehicle());
oldCosts += tp_costs_prevAct_nextAct;
}
else{
double tp_costs_prevAct_nextAct = routingCosts.getTransportCost(prevAct.getLocation(), nextAct.getLocation(), prevAct.getEndTime(), iFacts.getRoute().getDriver(), iFacts.getRoute().getVehicle());
double arrTime_nextAct = depTimeAtPrevAct + routingCosts.getTransportTime(prevAct.getLocation(), nextAct.getLocation(), prevAct.getEndTime(), iFacts.getRoute().getDriver(), iFacts.getRoute().getVehicle());
double endTime_nextAct_old = CalculationUtils.getActivityEndTime(arrTime_nextAct,nextAct);
double actCost_nextAct = activityCosts.getActivityCost(nextAct, arrTime_nextAct, iFacts.getRoute().getDriver(), iFacts.getRoute().getVehicle());
double endTimeDelay_nextAct = Math.max(0, endTime_nextAct_new - endTime_nextAct_old);
Double futureWaiting = stateManager.getActivityState(nextAct, iFacts.getRoute().getVehicle(), InternalStates.FUTURE_WAITING, Double.class);
if (futureWaiting == null) futureWaiting = 0.;
double waitingTime_savings_timeUnit = Math.min(futureWaiting, endTimeDelay_nextAct);
double waitingTime_savings = waitingTime_savings_timeUnit * iFacts.getRoute().getVehicle().getType().getVehicleCostParams().perWaitingTimeUnit;
oldCosts += solutionCompletenessRatio * activityCostsWeight * waitingTime_savings;
oldCosts += tp_costs_prevAct_nextAct + solutionCompletenessRatio * activityCostsWeight * actCost_nextAct;
}
return totalCosts - oldCosts;
}
private boolean toDepot(Vehicle newVehicle) {
return newVehicle.isReturnToDepot();
}
private boolean isEnd(TourActivity nextAct) {
return nextAct instanceof End;
}
public void setSolutionCompletenessRatio(double solutionCompletenessRatio) {
this.solutionCompletenessRatio = solutionCompletenessRatio;
}
} }

154
jsprit-core/src/main/java/jsprit/core/algorithm/recreate/VehicleTypeDependentJobInsertionCalculator.java
View file

@ -33,97 +33,99 @@ import java.util.HashSet;
import java.util.Set; import java.util.Set;
final class VehicleTypeDependentJobInsertionCalculator implements JobInsertionCostsCalculator { final class VehicleTypeDependentJobInsertionCalculator implements JobInsertionCostsCalculator{
private Logger logger = LogManager.getLogger(VehicleTypeDependentJobInsertionCalculator.class); private Logger logger = LogManager.getLogger(VehicleTypeDependentJobInsertionCalculator.class);
private final VehicleFleetManager fleetManager; private final VehicleFleetManager fleetManager;
private final JobInsertionCostsCalculator insertionCalculator; private final JobInsertionCostsCalculator insertionCalculator;
private final VehicleRoutingProblem vrp; private final VehicleRoutingProblem vrp;
private Set<String> initialVehicleIds = new HashSet<String>(); private Set<String> initialVehicleIds = new HashSet<String>();
/** /**
* true if a vehicle(-type) is allowed to take over the whole route that was previously served by another vehicle * true if a vehicle(-type) is allowed to take over the whole route that was previously served by another vehicle
* <p/> *
* <p>vehicleSwitch allowed makes sense if fleet consists of vehicles with different capacities such that one * <p>vehicleSwitch allowed makes sense if fleet consists of vehicles with different capacities such that one
* can start with a small vehicle, but as the number of customers grows bigger vehicles can be operated, i.e. * can start with a small vehicle, but as the number of customers grows bigger vehicles can be operated, i.e.
* bigger vehicles can take over the route that was previously served by a small vehicle. * bigger vehicles can take over the route that was previously served by a small vehicle.
*/ *
private boolean vehicleSwitchAllowed = false; */
private boolean vehicleSwitchAllowed = false;
public VehicleTypeDependentJobInsertionCalculator(final VehicleRoutingProblem vrp, final VehicleFleetManager fleetManager, final JobInsertionCostsCalculator jobInsertionCalc) { public VehicleTypeDependentJobInsertionCalculator(final VehicleRoutingProblem vrp, final VehicleFleetManager fleetManager, final JobInsertionCostsCalculator jobInsertionCalc) {
this.fleetManager = fleetManager; this.fleetManager = fleetManager;
this.insertionCalculator = jobInsertionCalc; this.insertionCalculator = jobInsertionCalc;
this.vrp = vrp; this.vrp = vrp;
getInitialVehicleIds(); getInitialVehicleIds();
logger.debug("initialise {}", this); logger.debug("initialise " + this);
} }
private void getInitialVehicleIds() { private void getInitialVehicleIds() {
Collection<VehicleRoute> initialVehicleRoutes = vrp.getInitialVehicleRoutes(); Collection<VehicleRoute> initialVehicleRoutes = vrp.getInitialVehicleRoutes();
for (VehicleRoute initialRoute : initialVehicleRoutes) { for(VehicleRoute initialRoute : initialVehicleRoutes){
initialVehicleIds.add(initialRoute.getVehicle().getId()); initialVehicleIds.add(initialRoute.getVehicle().getId());
} }
} }
@Override @Override
public String toString() { public String toString() {
return "[name=vehicleTypeDependentServiceInsertion]"; return "[name=vehicleTypeDependentServiceInsertion]";
} }
/** /**
* @return the vehicleSwitchAllowed * @return the vehicleSwitchAllowed
*/ */
@SuppressWarnings("UnusedDeclaration") @SuppressWarnings("UnusedDeclaration")
public boolean isVehicleSwitchAllowed() { public boolean isVehicleSwitchAllowed() {
return vehicleSwitchAllowed; return vehicleSwitchAllowed;
} }
/** /**
* default is true * default is true
* *
* @param vehicleSwitchAllowed the vehicleSwitchAllowed to set * @param vehicleSwitchAllowed the vehicleSwitchAllowed to set
*/ */
public void setVehicleSwitchAllowed(boolean vehicleSwitchAllowed) { public void setVehicleSwitchAllowed(boolean vehicleSwitchAllowed) {
logger.debug("set vehicleSwitchAllowed to {}", vehicleSwitchAllowed); logger.debug("set vehicleSwitchAllowed to " + vehicleSwitchAllowed);
this.vehicleSwitchAllowed = vehicleSwitchAllowed; this.vehicleSwitchAllowed = vehicleSwitchAllowed;
} }
public InsertionData getInsertionData(final VehicleRoute currentRoute, final Job jobToInsert, final Vehicle vehicle, double newVehicleDepartureTime, final Driver driver, final double bestKnownCost) { public InsertionData getInsertionData(final VehicleRoute currentRoute, final Job jobToInsert, final Vehicle vehicle, double newVehicleDepartureTime, final Driver driver, final double bestKnownCost) {
Vehicle selectedVehicle = currentRoute.getVehicle(); Vehicle selectedVehicle = currentRoute.getVehicle();
Driver selectedDriver = currentRoute.getDriver(); Driver selectedDriver = currentRoute.getDriver();
InsertionData bestIData = InsertionData.createEmptyInsertionData(); InsertionData bestIData = InsertionData.createEmptyInsertionData();
double bestKnownCost_ = bestKnownCost; double bestKnownCost_ = bestKnownCost;
Collection<Vehicle> relevantVehicles = new ArrayList<Vehicle>(); Collection<Vehicle> relevantVehicles = new ArrayList<Vehicle>();
if (!(selectedVehicle instanceof NoVehicle)) { if(!(selectedVehicle instanceof NoVehicle)) {
relevantVehicles.add(selectedVehicle); relevantVehicles.add(selectedVehicle);
if (vehicleSwitchAllowed && !isVehicleWithInitialRoute(selectedVehicle)) { if(vehicleSwitchAllowed && !isVehicleWithInitialRoute(selectedVehicle)){
relevantVehicles.addAll(fleetManager.getAvailableVehicles(selectedVehicle)); relevantVehicles.addAll(fleetManager.getAvailableVehicles(selectedVehicle));
} }
} else { //if no vehicle has been assigned, i.e. it is an empty route }
relevantVehicles.addAll(fleetManager.getAvailableVehicles()); else{ //if no vehicle has been assigned, i.e. it is an empty route
} relevantVehicles.addAll(fleetManager.getAvailableVehicles());
for (Vehicle v : relevantVehicles) { }
double depTime; for(Vehicle v : relevantVehicles){
if (v == selectedVehicle) depTime = currentRoute.getDepartureTime(); double depTime;
else depTime = v.getEarliestDeparture(); if(v == selectedVehicle) depTime = currentRoute.getDepartureTime();
InsertionData iData = insertionCalculator.getInsertionData(currentRoute, jobToInsert, v, depTime, selectedDriver, bestKnownCost_); else depTime = v.getEarliestDeparture();
if (iData instanceof NoInsertionFound) { InsertionData iData = insertionCalculator.getInsertionData(currentRoute, jobToInsert, v, depTime, selectedDriver, bestKnownCost_);
if(iData instanceof NoInsertionFound) {
continue; continue;
} }
if (iData.getInsertionCost() < bestKnownCost_) { if(iData.getInsertionCost() < bestKnownCost_){
bestIData = iData; bestIData = iData;
bestKnownCost_ = iData.getInsertionCost(); bestKnownCost_ = iData.getInsertionCost();
} }
} }
return bestIData; return bestIData;
} }
private boolean isVehicleWithInitialRoute(Vehicle selectedVehicle) { private boolean isVehicleWithInitialRoute(Vehicle selectedVehicle) {
return initialVehicleIds.contains(selectedVehicle.getId()); return initialVehicleIds.contains(selectedVehicle.getId());
} }
} }

8
jsprit-core/src/main/java/jsprit/core/algorithm/state/InternalStates.java
View file

@ -41,4 +41,12 @@ public class InternalStates {
public final static StateId PAST_MAXLOAD = new StateFactory.StateIdImpl("past_max_load", 9); public final static StateId PAST_MAXLOAD = new StateFactory.StateIdImpl("past_max_load", 9);
public static final StateId SKILLS = new StateFactory.StateIdImpl("skills", 10); public static final StateId SKILLS = new StateFactory.StateIdImpl("skills", 10);
public static final StateId WAITING = new StateFactory.StateIdImpl("waiting",11);
public static final StateId TIME_SLACK = new StateFactory.StateIdImpl("time_slack",12);
public static final StateId FUTURE_WAITING = new StateFactory.StateIdImpl("future_waiting",13);
public static final StateId EARLIEST_WITHOUT_WAITING = new StateFactory.StateIdImpl("earliest_without_waiting",14);
} }

60
jsprit-core/src/main/java/jsprit/core/algorithm/state/UpdateFutureWaitingTimes.java Normal file
View file

@ -0,0 +1,60 @@
/*******************************************************************************
* Copyright (C) 2014 Stefan Schroeder
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3.0 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
******************************************************************************/
package jsprit.core.algorithm.state;
import jsprit.core.problem.cost.VehicleRoutingTransportCosts;
import jsprit.core.problem.solution.route.VehicleRoute;
import jsprit.core.problem.solution.route.activity.ReverseActivityVisitor;
import jsprit.core.problem.solution.route.activity.TourActivity;
/**
* Updates and memorizes latest operation start times at activities.
*
* @author schroeder
*
*/
public class UpdateFutureWaitingTimes implements ReverseActivityVisitor, StateUpdater{
private StateManager states;
private VehicleRoute route;
private VehicleRoutingTransportCosts transportCosts;
private double futureWaiting;
public UpdateFutureWaitingTimes(StateManager states, VehicleRoutingTransportCosts tpCosts) {
super();
this.states = states;
this.transportCosts = tpCosts;
}
@Override
public void begin(VehicleRoute route) {
this.route = route;
this.futureWaiting = 0.;
}
@Override
public void visit(TourActivity activity) {
states.putInternalTypedActivityState(activity,route.getVehicle(),InternalStates.FUTURE_WAITING,futureWaiting);
futureWaiting += Math.max(activity.getTheoreticalEarliestOperationStartTime() - activity.getArrTime(),0);
}
@Override
public void finish() {}
}

32
jsprit-core/src/main/java/jsprit/core/algorithm/state/UpdateVehicleDependentPracticalTimeWindows.java
View file

@ -19,15 +19,26 @@ package jsprit.core.algorithm.state;
import jsprit.core.problem.Location; import jsprit.core.problem.Location;
import jsprit.core.problem.cost.VehicleRoutingTransportCosts; import jsprit.core.problem.cost.VehicleRoutingTransportCosts;
import jsprit.core.problem.solution.route.RouteVisitor;
import jsprit.core.problem.solution.route.VehicleRoute; import jsprit.core.problem.solution.route.VehicleRoute;
import jsprit.core.problem.solution.route.activity.ReverseActivityVisitor;
import jsprit.core.problem.solution.route.activity.TourActivity; import jsprit.core.problem.solution.route.activity.TourActivity;
import jsprit.core.problem.vehicle.Vehicle; import jsprit.core.problem.vehicle.Vehicle;
import java.util.Arrays; import java.util.Arrays;
import java.util.Collection; import java.util.Collection;
import java.util.Iterator;
public class UpdateVehicleDependentPracticalTimeWindows implements ReverseActivityVisitor, StateUpdater { public class UpdateVehicleDependentPracticalTimeWindows implements RouteVisitor, StateUpdater{
@Override
public void visit(VehicleRoute route) {
begin(route);
Iterator<TourActivity> revIterator = route.getTourActivities().reverseActivityIterator();
while(revIterator.hasNext()){
visit(revIterator.next());
}
finish();
}
public static interface VehiclesToUpdate { public static interface VehiclesToUpdate {
@ -64,27 +75,27 @@ public class UpdateVehicleDependentPracticalTimeWindows implements ReverseActivi
location_of_prevAct = new Location[stateManager.getMaxIndexOfVehicleTypeIdentifiers() + 1]; location_of_prevAct = new Location[stateManager.getMaxIndexOfVehicleTypeIdentifiers() + 1];
} }
public void setVehiclesToUpdate(VehiclesToUpdate vehiclesToUpdate) { public void setVehiclesToUpdate(VehiclesToUpdate vehiclesToUpdate){
this.vehiclesToUpdate = vehiclesToUpdate; this.vehiclesToUpdate = vehiclesToUpdate;
} }
@Override
public void begin(VehicleRoute route) { public void begin(VehicleRoute route) {
this.route = route; this.route = route;
vehicles = vehiclesToUpdate.get(route); vehicles = vehiclesToUpdate.get(route);
for (Vehicle vehicle : vehicles) { for(Vehicle vehicle : vehicles){
latest_arrTimes_at_prevAct[vehicle.getVehicleTypeIdentifier().getIndex()] = vehicle.getLatestArrival(); latest_arrTimes_at_prevAct[vehicle.getVehicleTypeIdentifier().getIndex()] = vehicle.getLatestArrival();
location_of_prevAct[vehicle.getVehicleTypeIdentifier().getIndex()] = vehicle.getEndLocation(); location_of_prevAct[vehicle.getVehicleTypeIdentifier().getIndex()] = vehicle.getEndLocation();
} }
} }
@Override
public void visit(TourActivity activity) { public void visit(TourActivity activity) {
for (Vehicle vehicle : vehicles) { for(Vehicle vehicle : vehicles){
double latestArrTimeAtPrevAct = latest_arrTimes_at_prevAct[vehicle.getVehicleTypeIdentifier().getIndex()]; double latestArrTimeAtPrevAct = latest_arrTimes_at_prevAct[vehicle.getVehicleTypeIdentifier().getIndex()];
Location prevLocation = location_of_prevAct[vehicle.getVehicleTypeIdentifier().getIndex()]; Location prevLocation = location_of_prevAct[vehicle.getVehicleTypeIdentifier().getIndex()];
double potentialLatestArrivalTimeAtCurrAct = latestArrTimeAtPrevAct - transportCosts.getBackwardTransportTime(activity.getLocation(), prevLocation, double potentialLatestArrivalTimeAtCurrAct = latestArrTimeAtPrevAct - transportCosts.getBackwardTransportTime(activity.getLocation(), prevLocation,
latestArrTimeAtPrevAct, route.getDriver(), vehicle) - activity.getOperationTime(); latestArrTimeAtPrevAct, route.getDriver(), vehicle) - activity.getOperationTime();
double latestArrivalTime = Math.min(activity.getTheoreticalLatestOperationStartTime(), potentialLatestArrivalTimeAtCurrAct); double latestArrivalTime = Math.min(activity.getTheoreticalLatestOperationStartTime(), potentialLatestArrivalTimeAtCurrAct);
stateManager.putInternalTypedActivityState(activity, vehicle, InternalStates.LATEST_OPERATION_START_TIME, latestArrivalTime); stateManager.putInternalTypedActivityState(activity, vehicle, InternalStates.LATEST_OPERATION_START_TIME, latestArrivalTime);
latest_arrTimes_at_prevAct[vehicle.getVehicleTypeIdentifier().getIndex()] = latestArrivalTime; latest_arrTimes_at_prevAct[vehicle.getVehicleTypeIdentifier().getIndex()] = latestArrivalTime;
@ -92,9 +103,8 @@ public class UpdateVehicleDependentPracticalTimeWindows implements ReverseActivi
} }
} }
@Override
public void finish() { public void finish() {}
}
} }

711
jsprit-core/src/main/java/jsprit/core/problem/VehicleRoutingProblem.java
View file

@ -18,7 +18,7 @@ package jsprit.core.problem;
import jsprit.core.problem.cost.VehicleRoutingActivityCosts; import jsprit.core.problem.cost.VehicleRoutingActivityCosts;
import jsprit.core.problem.cost.VehicleRoutingTransportCosts; import jsprit.core.problem.cost.VehicleRoutingTransportCosts;
import jsprit.core.problem.driver.Driver; import jsprit.core.problem.cost.WaitingTimeCosts;
import jsprit.core.problem.job.Job; import jsprit.core.problem.job.Job;
import jsprit.core.problem.job.Service; import jsprit.core.problem.job.Service;
import jsprit.core.problem.job.Shipment; import jsprit.core.problem.job.Shipment;
@ -41,75 +41,67 @@ import java.util.*;
/** /**
* Contains and defines the vehicle routing problem. * Contains and defines the vehicle routing problem.
* <p/> *
* <p>A routing problem is defined as jobs, vehicles, costs and constraints. * <p>A routing problem is defined as jobs, vehicles, costs and constraints.
* <p/> *
* <p> To construct the problem, use VehicleRoutingProblem.Builder. Get an instance of this by using the static method VehicleRoutingProblem.Builder.newInstance(). * <p> To construct the problem, use VehicleRoutingProblem.Builder. Get an instance of this by using the static method VehicleRoutingProblem.Builder.newInstance().
* <p/> *
* <p>By default, fleetSize is INFINITE, transport-costs are calculated as euclidean-distance (CrowFlyCosts), * <p>By default, fleetSize is INFINITE, transport-costs are calculated as euclidean-distance (CrowFlyCosts),
* and activity-costs are set to zero. * and activity-costs are set to zero.
* *
*
*
* @author stefan schroeder * @author stefan schroeder
*
*/ */
public class VehicleRoutingProblem { public class VehicleRoutingProblem {
/** /**
* Builder to build the routing-problem. * Builder to build the routing-problem.
* *
* @author stefan schroeder * @author stefan schroeder
*/ *
public static class Builder { */
public static class Builder {
/** /**
* Returns a new instance of this builder. * Returns a new instance of this builder.
* *
* @return builder * @return builder
*/ */
public static Builder newInstance() { public static Builder newInstance(){ return new Builder(); }
return new Builder();
}
private VehicleRoutingTransportCosts transportCosts; private VehicleRoutingTransportCosts transportCosts;
private VehicleRoutingActivityCosts activityCosts = new VehicleRoutingActivityCosts() { private VehicleRoutingActivityCosts activityCosts = new WaitingTimeCosts();
@Override private Map<String,Job> jobs = new LinkedHashMap<String, Job>();
public double getActivityCost(TourActivity tourAct, double arrivalTime, Driver driver, Vehicle vehicle) {
return 0;
}
@Override private Map<String,Job> tentativeJobs = new LinkedHashMap<String,Job>();
public String toString() {
return "[name=defaultActivityCosts]";
}
}; private Set<String> jobsInInitialRoutes = new HashSet<String>();
private Map<String, Job> jobs = new LinkedHashMap<String, Job>(); private Map<String, Coordinate> tentative_coordinates = new HashMap<String, Coordinate>();
private Map<String, Job> tentativeJobs = new LinkedHashMap<String, Job>(); private FleetSize fleetSize = FleetSize.INFINITE;
private Set<String> jobsInInitialRoutes = new HashSet<String>(); private Collection<VehicleType> vehicleTypes = new ArrayList<VehicleType>();
private Map<String, Coordinate> tentative_coordinates = new HashMap<String, Coordinate>(); private Collection<VehicleRoute> initialRoutes = new ArrayList<VehicleRoute>();
private FleetSize fleetSize = FleetSize.INFINITE; private Set<Vehicle> uniqueVehicles = new HashSet<Vehicle>();
private Collection<VehicleType> vehicleTypes = new ArrayList<VehicleType>(); private JobActivityFactory jobActivityFactory = new JobActivityFactory() {
private Collection<VehicleRoute> initialRoutes = new ArrayList<VehicleRoute>();
private Set<Vehicle> uniqueVehicles = new HashSet<Vehicle>();
private JobActivityFactory jobActivityFactory = new JobActivityFactory() {
@Override @Override
public List<AbstractActivity> createActivities(Job job) { public List<AbstractActivity> createActivities(Job job) {
List<AbstractActivity> acts = new ArrayList<AbstractActivity>(); List<AbstractActivity> acts = new ArrayList<AbstractActivity>();
if (job instanceof Service) { if(job instanceof Service){
acts.add(serviceActivityFactory.createActivity((Service) job)); acts.add(serviceActivityFactory.createActivity((Service) job));
} else if (job instanceof Shipment) { }
else if(job instanceof Shipment){
acts.add(shipmentActivityFactory.createPickup((Shipment) job)); acts.add(shipmentActivityFactory.createPickup((Shipment) job));
acts.add(shipmentActivityFactory.createDelivery((Shipment) job)); acts.add(shipmentActivityFactory.createDelivery((Shipment) job));
} }
@ -126,98 +118,97 @@ public class VehicleRoutingProblem {
private int vehicleTypeIdIndexCounter = 1; private int vehicleTypeIdIndexCounter = 1;
private Map<VehicleTypeKey, Integer> typeKeyIndices = new HashMap<VehicleTypeKey, Integer>(); private Map<VehicleTypeKey,Integer> typeKeyIndices = new HashMap<VehicleTypeKey, Integer>();
private Map<Job, List<AbstractActivity>> activityMap = new HashMap<Job, List<AbstractActivity>>(); private Map<Job,List<AbstractActivity>> activityMap = new HashMap<Job, List<AbstractActivity>>();
private final DefaultShipmentActivityFactory shipmentActivityFactory = new DefaultShipmentActivityFactory(); private final DefaultShipmentActivityFactory shipmentActivityFactory = new DefaultShipmentActivityFactory();
private final DefaultTourActivityFactory serviceActivityFactory = new DefaultTourActivityFactory(); private final DefaultTourActivityFactory serviceActivityFactory = new DefaultTourActivityFactory();
private void incJobIndexCounter() { private void incJobIndexCounter(){
jobIndexCounter++; jobIndexCounter++;
} }
private void incActivityIndexCounter() { private void incActivityIndexCounter(){
activityIndexCounter++; activityIndexCounter++;
} }
private void incVehicleTypeIdIndexCounter() { private void incVehicleTypeIdIndexCounter() { vehicleTypeIdIndexCounter++; }
vehicleTypeIdIndexCounter++;
}
/** /**
* Returns the unmodifiable map of collected locations (mapped by their location-id). * Returns the unmodifiable map of collected locations (mapped by their location-id).
* *
* @return map with locations * @return map with locations
*/ */
public Map<String, Coordinate> getLocationMap() { public Map<String,Coordinate> getLocationMap(){
return Collections.unmodifiableMap(tentative_coordinates); return Collections.unmodifiableMap(tentative_coordinates);
} }
/** /**
* Returns the locations collected SO FAR by this builder. * Returns the locations collected SO FAR by this builder.
* <p/> *
* <p>Locations are cached when adding a shipment, service, depot, vehicle. * <p>Locations are cached when adding a shipment, service, depot, vehicle.
* *
* @return locations * @return locations
*/ *
public Locations getLocations() { **/
return new Locations() { public Locations getLocations(){
return new Locations() {
@Override @Override
public Coordinate getCoord(String id) { public Coordinate getCoord(String id) {
return tentative_coordinates.get(id); return tentative_coordinates.get(id);
} }
}; };
} }
/** /**
* Sets routing costs. * Sets routing costs.
* *
* @param costs the routingCosts * @param costs the routingCosts
* @return builder * @return builder
* @see VehicleRoutingTransportCosts * @see VehicleRoutingTransportCosts
*/ */
public Builder setRoutingCost(VehicleRoutingTransportCosts costs) { public Builder setRoutingCost(VehicleRoutingTransportCosts costs){
this.transportCosts = costs; this.transportCosts = costs;
return this; return this;
} }
/** /**
* Sets the type of fleetSize. * Sets the type of fleetSize.
* <p/> *
* <p>FleetSize is either FleetSize.INFINITE or FleetSize.FINITE. By default it is FleetSize.INFINITE. * <p>FleetSize is either FleetSize.INFINITE or FleetSize.FINITE. By default it is FleetSize.INFINITE.
* *
* @param fleetSize the fleet size used in this problem. it can either be FleetSize.INFINITE or FleetSize.FINITE * @param fleetSize the fleet size used in this problem. it can either be FleetSize.INFINITE or FleetSize.FINITE
* @return this builder * @return this builder
*/ */
public Builder setFleetSize(FleetSize fleetSize) { public Builder setFleetSize(FleetSize fleetSize){
this.fleetSize = fleetSize; this.fleetSize = fleetSize;
return this; return this;
} }
/** /**
* Adds a job which is either a service or a shipment. * Adds a job which is either a service or a shipment.
* <p/> *
* <p>Note that job.getId() must be unique, i.e. no job (either it is a shipment or a service) is allowed to have an already allocated id. * <p>Note that job.getId() must be unique, i.e. no job (either it is a shipment or a service) is allowed to have an already allocated id.
* *
* @param job job to be added * @param job job to be added
* @return this builder * @return this builder
* @throws IllegalStateException if job is neither a shipment nor a service, or jobId has already been added. * @throws IllegalStateException if job is neither a shipment nor a service, or jobId has already been added.
* @deprecated use addJob(AbstractJob job) instead * @deprecated use addJob(AbstractJob job) instead
*/ */
@Deprecated @Deprecated
public Builder addJob(Job job) { public Builder addJob(Job job) {
if (!(job instanceof AbstractJob)) throw new IllegalArgumentException("job must be of type AbstractJob"); if(!(job instanceof AbstractJob)) throw new IllegalArgumentException("job must be of type AbstractJob");
return addJob((AbstractJob) job); return addJob((AbstractJob)job);
} }
/** /**
* Adds a job which is either a service or a shipment. * Adds a job which is either a service or a shipment.
* <p/> *
* <p>Note that job.getId() must be unique, i.e. no job (either it is a shipment or a service) is allowed to have an already allocated id. * <p>Note that job.getId() must be unique, i.e. no job (either it is a shipment or a service) is allowed to have an already allocated id.
* *
* @param job job to be added * @param job job to be added
@ -225,10 +216,8 @@ public class VehicleRoutingProblem {
* @throws IllegalStateException if job is neither a shipment nor a service, or jobId has already been added. * @throws IllegalStateException if job is neither a shipment nor a service, or jobId has already been added.
*/ */
public Builder addJob(AbstractJob job) { public Builder addJob(AbstractJob job) {
if (tentativeJobs.containsKey(job.getId())) if(tentativeJobs.containsKey(job.getId())) throw new IllegalStateException("jobList already contains a job with id " + job.getId() + ". make sure you use unique ids for your jobs (i.e. service and shipments)");
throw new IllegalStateException("jobList already contains a job with id " + job.getId() + ". make sure you use unique ids for your jobs (i.e. service and shipments)"); if(!(job instanceof Service || job instanceof Shipment)) throw new IllegalStateException("job must be either a service or a shipment");
if (!(job instanceof Service || job instanceof Shipment))
throw new IllegalStateException("job must be either a service or a shipment");
job.setIndex(jobIndexCounter); job.setIndex(jobIndexCounter);
incJobIndexCounter(); incJobIndexCounter();
tentativeJobs.put(job.getId(), job); tentativeJobs.put(job.getId(), job);
@ -236,31 +225,33 @@ public class VehicleRoutingProblem {
return this; return this;
} }
private void addLocationToTentativeLocations(Job job) { private void addLocationToTentativeLocations(Job job) {
if (job instanceof Service) { if(job instanceof Service) {
tentative_coordinates.put(((Service) job).getLocation().getId(), ((Service) job).getLocation().getCoordinate()); tentative_coordinates.put(((Service)job).getLocation().getId(), ((Service)job).getLocation().getCoordinate());
} else if (job instanceof Shipment) { }
Shipment shipment = (Shipment) job; else if(job instanceof Shipment){
tentative_coordinates.put(shipment.getPickupLocation().getId(), shipment.getPickupLocation().getCoordinate()); Shipment shipment = (Shipment)job;
tentative_coordinates.put(shipment.getDeliveryLocation().getId(), shipment.getDeliveryLocation().getCoordinate()); tentative_coordinates.put(shipment.getPickupLocation().getId(), shipment.getPickupLocation().getCoordinate());
} tentative_coordinates.put(shipment.getDeliveryLocation().getId(), shipment.getDeliveryLocation().getCoordinate());
} }
}
private void addJobToFinalJobMapAndCreateActivities(Job job) { private void addJobToFinalJobMapAndCreateActivities(Job job){
if (job instanceof Service) { if(job instanceof Service) {
Service service = (Service) job; Service service = (Service) job;
addService(service); addService(service);
} else if (job instanceof Shipment) { }
Shipment shipment = (Shipment) job; else if(job instanceof Shipment){
Shipment shipment = (Shipment)job;
addShipment(shipment); addShipment(shipment);
} }
List<AbstractActivity> jobActs = jobActivityFactory.createActivities(job); List<AbstractActivity> jobActs = jobActivityFactory.createActivities(job);
for (AbstractActivity act : jobActs) { for(AbstractActivity act : jobActs){
act.setIndex(activityIndexCounter); act.setIndex(activityIndexCounter);
incActivityIndexCounter(); incActivityIndexCounter();
} }
activityMap.put(job, jobActs); activityMap.put(job, jobActs);
} }
/** /**
@ -269,26 +260,25 @@ public class VehicleRoutingProblem {
* @param route initial route * @param route initial route
* @return the builder * @return the builder
*/ */
public Builder addInitialVehicleRoute(VehicleRoute route) { public Builder addInitialVehicleRoute(VehicleRoute route){
addVehicle((AbstractVehicle) route.getVehicle()); addVehicle((AbstractVehicle)route.getVehicle());
for (TourActivity act : route.getActivities()) { for(TourActivity act : route.getActivities()){
AbstractActivity abstractAct = (AbstractActivity) act; AbstractActivity abstractAct = (AbstractActivity) act;
abstractAct.setIndex(activityIndexCounter); abstractAct.setIndex(activityIndexCounter);
incActivityIndexCounter(); incActivityIndexCounter();
if (act instanceof TourActivity.JobActivity) { if(act instanceof TourActivity.JobActivity) {
Job job = ((TourActivity.JobActivity) act).getJob(); Job job = ((TourActivity.JobActivity) act).getJob();
jobsInInitialRoutes.add(job.getId()); jobsInInitialRoutes.add(job.getId());
registerLocation(job); registerLocation(job);
registerJobAndActivity(abstractAct, job); registerJobAndActivity(abstractAct, job);
} }
} }
initialRoutes.add(route); initialRoutes.add(route);
return this; return this;
} }
private void registerLocation(Job job) { private void registerLocation(Job job) {
if (job instanceof Service) if (job instanceof Service) tentative_coordinates.put(((Service) job).getLocation().getId(), ((Service) job).getLocation().getCoordinate());
tentative_coordinates.put(((Service) job).getLocation().getId(), ((Service) job).getLocation().getCoordinate());
if (job instanceof Shipment) { if (job instanceof Shipment) {
Shipment shipment = (Shipment) job; Shipment shipment = (Shipment) job;
tentative_coordinates.put(shipment.getPickupLocation().getId(), shipment.getPickupLocation().getCoordinate()); tentative_coordinates.put(shipment.getPickupLocation().getId(), shipment.getPickupLocation().getCoordinate());
@ -297,11 +287,11 @@ public class VehicleRoutingProblem {
} }
private void registerJobAndActivity(AbstractActivity abstractAct, Job job) { private void registerJobAndActivity(AbstractActivity abstractAct, Job job) {
if (activityMap.containsKey(job)) activityMap.get(job).add(abstractAct); if(activityMap.containsKey(job)) activityMap.get(job).add(abstractAct);
else { else{
List<AbstractActivity> actList = new ArrayList<AbstractActivity>(); List<AbstractActivity> actList = new ArrayList<AbstractActivity>();
actList.add(abstractAct); actList.add(abstractAct);
activityMap.put(job, actList); activityMap.put(job,actList);
} }
} }
@ -311,61 +301,61 @@ public class VehicleRoutingProblem {
* @param routes initial routes * @param routes initial routes
* @return the builder * @return the builder
*/ */
public Builder addInitialVehicleRoutes(Collection<VehicleRoute> routes) { public Builder addInitialVehicleRoutes(Collection<VehicleRoute> routes){
for (VehicleRoute r : routes) { for(VehicleRoute r : routes){
addInitialVehicleRoute(r); addInitialVehicleRoute(r);
} }
return this; return this;
} }
private void addShipment(Shipment job) { private void addShipment(Shipment job) {
if (jobs.containsKey(job.getId())) { if(jobs.containsKey(job.getId())){ logger.warn("job " + job + " already in job list. overrides existing job."); }
logger.warn("job {} already in job list. overrides existing job.", job); tentative_coordinates.put(job.getPickupLocation().getId(), job.getPickupLocation().getCoordinate());
} tentative_coordinates.put(job.getDeliveryLocation().getId(), job.getDeliveryLocation().getCoordinate());
tentative_coordinates.put(job.getPickupLocation().getId(), job.getPickupLocation().getCoordinate()); jobs.put(job.getId(),job);
tentative_coordinates.put(job.getDeliveryLocation().getId(), job.getDeliveryLocation().getCoordinate()); }
jobs.put(job.getId(), job);
} /**
* Adds a vehicle.
*
*
* @param vehicle vehicle to be added
* @return this builder
* @deprecated use addVehicle(AbstractVehicle vehicle) instead
*/
@Deprecated
public Builder addVehicle(Vehicle vehicle) {
if(!(vehicle instanceof AbstractVehicle)) throw new IllegalStateException("vehicle must be an AbstractVehicle");
return addVehicle((AbstractVehicle)vehicle);
}
/** /**
* Adds a vehicle. * Adds a vehicle.
* *
* @param vehicle vehicle to be added
* @return this builder
* @deprecated use addVehicle(AbstractVehicle vehicle) instead
*/
@Deprecated
public Builder addVehicle(Vehicle vehicle) {
if (!(vehicle instanceof AbstractVehicle))
throw new IllegalStateException("vehicle must be an AbstractVehicle");
return addVehicle((AbstractVehicle) vehicle);
}
/**
* Adds a vehicle.
* *
* @param vehicle vehicle to be added * @param vehicle vehicle to be added
* @return this builder * @return this builder
*/ */
public Builder addVehicle(AbstractVehicle vehicle) { public Builder addVehicle(AbstractVehicle vehicle) {
if (!uniqueVehicles.contains(vehicle)) { if(!uniqueVehicles.contains(vehicle)){
vehicle.setIndex(vehicleIndexCounter); vehicle.setIndex(vehicleIndexCounter);
incVehicleIndexCounter(); incVehicleIndexCounter();
} }
if (typeKeyIndices.containsKey(vehicle.getVehicleTypeIdentifier())) { if(typeKeyIndices.containsKey(vehicle.getVehicleTypeIdentifier())){
vehicle.getVehicleTypeIdentifier().setIndex(typeKeyIndices.get(vehicle.getVehicleTypeIdentifier())); vehicle.getVehicleTypeIdentifier().setIndex(typeKeyIndices.get(vehicle.getVehicleTypeIdentifier()));
} else { }
else {
vehicle.getVehicleTypeIdentifier().setIndex(vehicleTypeIdIndexCounter); vehicle.getVehicleTypeIdentifier().setIndex(vehicleTypeIdIndexCounter);
typeKeyIndices.put(vehicle.getVehicleTypeIdentifier(), vehicleTypeIdIndexCounter); typeKeyIndices.put(vehicle.getVehicleTypeIdentifier(),vehicleTypeIdIndexCounter);
incVehicleTypeIdIndexCounter(); incVehicleTypeIdIndexCounter();
} }
uniqueVehicles.add(vehicle); uniqueVehicles.add(vehicle);
if (!vehicleTypes.contains(vehicle.getType())) { if(!vehicleTypes.contains(vehicle.getType())){
vehicleTypes.add(vehicle.getType()); vehicleTypes.add(vehicle.getType());
} }
String startLocationId = vehicle.getStartLocation().getId(); String startLocationId = vehicle.getStartLocation().getId();
tentative_coordinates.put(startLocationId, vehicle.getStartLocation().getCoordinate()); tentative_coordinates.put(startLocationId, vehicle.getStartLocation().getCoordinate());
if (!vehicle.getEndLocation().getId().equals(startLocationId)) { if(!vehicle.getEndLocation().getId().equals(startLocationId)){
tentative_coordinates.put(vehicle.getEndLocation().getId(), vehicle.getEndLocation().getCoordinate()); tentative_coordinates.put(vehicle.getEndLocation().getId(), vehicle.getEndLocation().getCoordinate());
} }
return this; return this;
@ -376,97 +366,97 @@ public class VehicleRoutingProblem {
} }
/** /**
* Sets the activity-costs. * Sets the activity-costs.
* <p/> *
* <p>By default it is set to zero. * <p>By default it is set to zero.
* *
* @param activityCosts activity costs of the problem * @param activityCosts activity costs of the problem
* @return this builder * @return this builder
* @see VehicleRoutingActivityCosts * @see VehicleRoutingActivityCosts
*/ */
public Builder setActivityCosts(VehicleRoutingActivityCosts activityCosts) { public Builder setActivityCosts(VehicleRoutingActivityCosts activityCosts){
this.activityCosts = activityCosts; this.activityCosts = activityCosts;
return this; return this;
} }
/** /**
* Builds the {@link VehicleRoutingProblem}. * Builds the {@link VehicleRoutingProblem}.
* <p/> *
* <p>If {@link VehicleRoutingTransportCosts} are not set, {@link CrowFlyCosts} is used. * <p>If {@link VehicleRoutingTransportCosts} are not set, {@link CrowFlyCosts} is used.
* *
* @return {@link VehicleRoutingProblem} * @return {@link VehicleRoutingProblem}
*/ */
public VehicleRoutingProblem build() { public VehicleRoutingProblem build() {
if (transportCosts == null) { if(transportCosts == null){
transportCosts = new CrowFlyCosts(getLocations()); transportCosts = new CrowFlyCosts(getLocations());
} }
for (Job job : tentativeJobs.values()) for(Job job : tentativeJobs.values())
if (!jobsInInitialRoutes.contains(job.getId())) { if (!jobsInInitialRoutes.contains(job.getId())) {
addJobToFinalJobMapAndCreateActivities(job); addJobToFinalJobMapAndCreateActivities(job);
} }
return new VehicleRoutingProblem(this); return new VehicleRoutingProblem(this);
} }
@SuppressWarnings("UnusedDeclaration") @SuppressWarnings("UnusedDeclaration")
public Builder addLocation(String locationId, Coordinate coordinate) { public Builder addLocation(String locationId, Coordinate coordinate) {
tentative_coordinates.put(locationId, coordinate); tentative_coordinates.put(locationId, coordinate);
return this; return this;
} }
/** /**
* Adds a collection of jobs. * Adds a collection of jobs.
* *
* @param jobs which is a collection of jobs that subclasses Job * @param jobs which is a collection of jobs that subclasses Job
* @return this builder * @return this builder
*/ */
@SuppressWarnings("deprecation") @SuppressWarnings("deprecation")
public Builder addAllJobs(Collection<? extends Job> jobs) { public Builder addAllJobs(Collection<? extends Job> jobs) {
for (Job j : jobs) { for(Job j : jobs){
addJob(j); addJob(j);
} }
return this; return this;
} }
/** /**
* Adds a collection of vehicles. * Adds a collection of vehicles.
* *
* @param vehicles vehicles to be added * @param vehicles vehicles to be added
* @return this builder * @return this builder
*/ */
@SuppressWarnings("deprecation") @SuppressWarnings("deprecation")
public Builder addAllVehicles(Collection<? extends Vehicle> vehicles) { public Builder addAllVehicles(Collection<? extends Vehicle> vehicles) {
for (Vehicle v : vehicles) { for(Vehicle v : vehicles){
addVehicle(v); addVehicle(v);
} }
return this; return this;
} }
/** /**
* Gets an unmodifiable collection of already added vehicles. * Gets an unmodifiable collection of already added vehicles.
* *
* @return collection of vehicles * @return collection of vehicles
*/ */
public Collection<Vehicle> getAddedVehicles() { public Collection<Vehicle> getAddedVehicles(){
return Collections.unmodifiableCollection(uniqueVehicles); return Collections.unmodifiableCollection(uniqueVehicles);
} }
/** /**
* Gets an unmodifiable collection of already added vehicle-types. * Gets an unmodifiable collection of already added vehicle-types.
* *
* @return collection of vehicle-types * @return collection of vehicle-types
*/ */
public Collection<VehicleType> getAddedVehicleTypes() { public Collection<VehicleType> getAddedVehicleTypes(){
return Collections.unmodifiableCollection(vehicleTypes); return Collections.unmodifiableCollection(vehicleTypes);
} }
/** /**
* Returns an unmodifiable collection of already added jobs. * Returns an unmodifiable collection of already added jobs.
* *
* @return collection of jobs * @return collection of jobs
*/ */
public Collection<Job> getAddedJobs() { public Collection<Job> getAddedJobs(){
return Collections.unmodifiableCollection(tentativeJobs.values()); return Collections.unmodifiableCollection(tentativeJobs.values());
} }
private Builder addService(Service service) { private Builder addService(Service service) {
tentative_coordinates.put(service.getLocation().getId(), service.getLocation().getCoordinate()); tentative_coordinates.put(service.getLocation().getId(), service.getLocation().getCoordinate());
@ -478,58 +468,59 @@ public class VehicleRoutingProblem {
} }
} }
/** /**
* Enum that characterizes the fleet-size. * Enum that characterizes the fleet-size.
* *
* @author sschroeder * @author sschroeder
*/ *
public static enum FleetSize { */
FINITE, INFINITE public static enum FleetSize {
} FINITE, INFINITE
}
/** /**
* logger logging for this class * logger logging for this class
*/ */
private final static Logger logger = LogManager.getLogger(VehicleRoutingProblem.class); private final static Logger logger = LogManager.getLogger(VehicleRoutingProblem.class);
/** /**
* contains transportation costs, i.e. the costs traveling from location A to B * contains transportation costs, i.e. the costs traveling from location A to B
*/ */
private final VehicleRoutingTransportCosts transportCosts; private final VehicleRoutingTransportCosts transportCosts;
/** /**
* contains activity costs, i.e. the costs imposed by an activity * contains activity costs, i.e. the costs imposed by an activity
*/ */
private final VehicleRoutingActivityCosts activityCosts; private final VehicleRoutingActivityCosts activityCosts;
/** /**
* map of jobs, stored by jobId * map of jobs, stored by jobId
*/ */
private final Map<String, Job> jobs; private final Map<String, Job> jobs;
/** /**
* Collection that contains available vehicles. * Collection that contains available vehicles.
*/ */
private final Collection<Vehicle> vehicles; private final Collection<Vehicle> vehicles;
/** /**
* Collection that contains all available types. * Collection that contains all available types.
*/ */
private final Collection<VehicleType> vehicleTypes; private final Collection<VehicleType> vehicleTypes;
private final Collection<VehicleRoute> initialVehicleRoutes; private final Collection<VehicleRoute> initialVehicleRoutes;
/** /**
* An enum that indicates type of fleetSize. By default, it is INFINTE * An enum that indicates type of fleetSize. By default, it is INFINTE
*/ */
private final FleetSize fleetSize; private final FleetSize fleetSize;
private final Locations locations; private final Locations locations;
private Map<Job, List<AbstractActivity>> activityMap; private Map<Job,List<AbstractActivity>> activityMap;
private int nuActivities; private int nuActivities;
@ -542,15 +533,15 @@ public class VehicleRoutingProblem {
}; };
private VehicleRoutingProblem(Builder builder) { private VehicleRoutingProblem(Builder builder) {
this.jobs = builder.jobs; this.jobs = builder.jobs;
this.fleetSize = builder.fleetSize; this.fleetSize = builder.fleetSize;
this.vehicles = builder.uniqueVehicles; this.vehicles=builder.uniqueVehicles;
this.vehicleTypes = builder.vehicleTypes; this.vehicleTypes = builder.vehicleTypes;
this.initialVehicleRoutes = builder.initialRoutes; this.initialVehicleRoutes = builder.initialRoutes;
this.transportCosts = builder.transportCosts; this.transportCosts = builder.transportCosts;
this.activityCosts = builder.activityCosts; this.activityCosts = builder.activityCosts;
this.locations = builder.getLocations(); this.locations = builder.getLocations();
this.activityMap = builder.activityMap; this.activityMap = builder.activityMap;
this.nuActivities = builder.activityIndexCounter; this.nuActivities = builder.activityIndexCounter;
logger.info("setup problem: {}", this); logger.info("setup problem: {}", this);
@ -562,103 +553,101 @@ public class VehicleRoutingProblem {
"transportCost=" + transportCosts + "][activityCosts=" + activityCosts + "]"; "transportCost=" + transportCosts + "][activityCosts=" + activityCosts + "]";
} }
/** /**
* Returns type of fleetSize, either INFINITE or FINITE. * Returns type of fleetSize, either INFINITE or FINITE.
* <p/> *
* <p>By default, it is INFINITE. * <p>By default, it is INFINITE.
* *
* @return either FleetSize.INFINITE or FleetSize.FINITE * @return either FleetSize.INFINITE or FleetSize.FINITE
*/ */
public FleetSize getFleetSize() { public FleetSize getFleetSize() {
return fleetSize; return fleetSize;
} }
/** /**
* Returns the unmodifiable job map. * Returns the unmodifiable job map.
* *
* @return unmodifiable jobMap * @return unmodifiable jobMap
*/ */
public Map<String, Job> getJobs() { public Map<String, Job> getJobs() {
return Collections.unmodifiableMap(jobs); return Collections.unmodifiableMap(jobs);
} }
/** /**
* Returns a copy of initial vehicle routes. * Returns a copy of initial vehicle routes.
* *
* @return copied collection of initial vehicle routes * @return copied collection of initial vehicle routes
*/ */
public Collection<VehicleRoute> getInitialVehicleRoutes() { public Collection<VehicleRoute> getInitialVehicleRoutes(){
Collection<VehicleRoute> copiedInitialRoutes = new ArrayList<VehicleRoute>(); Collection<VehicleRoute> copiedInitialRoutes = new ArrayList<VehicleRoute>();
for (VehicleRoute route : initialVehicleRoutes) { for(VehicleRoute route : initialVehicleRoutes){
copiedInitialRoutes.add(VehicleRoute.copyOf(route)); copiedInitialRoutes.add(VehicleRoute.copyOf(route));
} }
return copiedInitialRoutes; return copiedInitialRoutes;
} }
/** /**
* Returns the entire, unmodifiable collection of types. * Returns the entire, unmodifiable collection of types.
* *
* @return unmodifiable collection of types * @return unmodifiable collection of types
* @see VehicleTypeImpl * @see VehicleTypeImpl
*/ */
public Collection<VehicleType> getTypes() { public Collection<VehicleType> getTypes(){
return Collections.unmodifiableCollection(vehicleTypes); return Collections.unmodifiableCollection(vehicleTypes);
} }
/** /**
* Returns the entire, unmodifiable collection of vehicles. * Returns the entire, unmodifiable collection of vehicles.
* *
* @return unmodifiable collection of vehicles * @return unmodifiable collection of vehicles
* @see Vehicle * @see Vehicle
*/ */
public Collection<Vehicle> getVehicles() { public Collection<Vehicle> getVehicles() {
return Collections.unmodifiableCollection(vehicles); return Collections.unmodifiableCollection(vehicles);
} }
/** /**
* Returns routing costs. * Returns routing costs.
* *
* @return routingCosts * @return routingCosts
* @see VehicleRoutingTransportCosts * @see VehicleRoutingTransportCosts
*/ */
public VehicleRoutingTransportCosts getTransportCosts() { public VehicleRoutingTransportCosts getTransportCosts() {
return transportCosts; return transportCosts;
} }
/** /**
* Returns activityCosts. * Returns activityCosts.
*/ */
public VehicleRoutingActivityCosts getActivityCosts() { public VehicleRoutingActivityCosts getActivityCosts(){
return activityCosts; return activityCosts;
} }
/** /**
* @return returns all location, i.e. from vehicles and jobs. * @return returns all location, i.e. from vehicles and jobs.
*/ */
public Locations getLocations() { public Locations getLocations(){
return locations; return locations;
} }
/** /**
* @param job for which the corresponding activities needs to be returned * @param job for which the corresponding activities needs to be returned
* @return associated activities * @return associated activities
*/ */
public List<AbstractActivity> getActivities(Job job) { public List<AbstractActivity> getActivities(Job job){
return Collections.unmodifiableList(activityMap.get(job)); return Collections.unmodifiableList(activityMap.get(job));
} }
/** /**
* @return total number of activities * @return total number of activities
*/ */
public int getNuActivities() { public int getNuActivities(){ return nuActivities; }
return nuActivities;
}
/** /**
* @return factory that creates the activities associated to a job * @return factory that creates the activities associated to a job
*/ */
public JobActivityFactory getJobActivityFactory() { public JobActivityFactory getJobActivityFactory(){
return jobActivityFactory; return jobActivityFactory;
} }
@ -666,9 +655,9 @@ public class VehicleRoutingProblem {
* @param job for which the corresponding activities needs to be returned * @param job for which the corresponding activities needs to be returned
* @return a copy of the activities that are associated to the specified job * @return a copy of the activities that are associated to the specified job
*/ */
public List<AbstractActivity> copyAndGetActivities(Job job) { public List<AbstractActivity> copyAndGetActivities(Job job){
List<AbstractActivity> acts = new ArrayList<AbstractActivity>(); List<AbstractActivity> acts = new ArrayList<AbstractActivity>();
if (activityMap.containsKey(job)) { if(activityMap.containsKey(job)) {
for (AbstractActivity act : activityMap.get(job)) acts.add((AbstractActivity) act.duplicate()); for (AbstractActivity act : activityMap.get(job)) acts.add((AbstractActivity) act.duplicate());
} }
return acts; return acts;

20
jsprit-core/src/main/java/jsprit/core/problem/cost/WaitingTimeCosts.java Normal file
View file

@ -0,0 +1,20 @@
package jsprit.core.problem.cost;
import jsprit.core.problem.driver.Driver;
import jsprit.core.problem.solution.route.activity.TourActivity;
import jsprit.core.problem.vehicle.Vehicle;
/**
* Created by schroeder on 23/07/15.
*/
public class WaitingTimeCosts implements VehicleRoutingActivityCosts {
@Override
public double getActivityCost(TourActivity tourAct, double arrivalTime, Driver driver, Vehicle vehicle) {
if(vehicle != null){
return vehicle.getType().getVehicleCostParams().perWaitingTimeUnit * Math.max(0.,tourAct.getTheoreticalEarliestOperationStartTime()-arrivalTime);
}
return 0;
}
}

92
jsprit-core/src/main/java/jsprit/core/problem/vehicle/InfiniteVehicles.java
View file

@ -25,69 +25,71 @@ import java.util.HashMap;
import java.util.Map; import java.util.Map;
class InfiniteVehicles implements VehicleFleetManager {
private static Logger logger = LogManager.getLogger(InfiniteVehicles.class);
private Map<VehicleTypeKey, Vehicle> types = new HashMap<VehicleTypeKey, Vehicle>(); class InfiniteVehicles implements VehicleFleetManager{
private static Logger logger = LogManager.getLogger(InfiniteVehicles.class);
private Map<VehicleTypeKey,Vehicle> types = new HashMap<VehicleTypeKey, Vehicle>();
// private List<VehicleTypeKey> sortedTypes = new ArrayList<VehicleTypeKey>(); // private List<VehicleTypeKey> sortedTypes = new ArrayList<VehicleTypeKey>();
public InfiniteVehicles(Collection<Vehicle> vehicles) { public InfiniteVehicles(Collection<Vehicle> vehicles){
extractTypes(vehicles); extractTypes(vehicles);
logger.debug("initialise {}", this); logger.debug("initialise " + this);
} }
@Override @Override
public String toString() { public String toString() {
return "[name=infiniteVehicle]"; return "[name=infiniteVehicle]";
} }
private void extractTypes(Collection<Vehicle> vehicles) { private void extractTypes(Collection<Vehicle> vehicles) {
for (Vehicle v : vehicles) { for(Vehicle v : vehicles){
VehicleTypeKey typeKey = new VehicleTypeKey(v.getType().getTypeId(), v.getStartLocation().getId(), v.getEndLocation().getId(), v.getEarliestDeparture(), v.getLatestArrival(), v.getSkills()); VehicleTypeKey typeKey = new VehicleTypeKey(v.getType().getTypeId(), v.getStartLocation().getId(),v.getEndLocation().getId(), v.getEarliestDeparture(), v.getLatestArrival(), v.getSkills(), v.isReturnToDepot());
types.put(typeKey, v); types.put(typeKey,v);
// sortedTypes.add(typeKey); // sortedTypes.add(typeKey);
} }
} }
@Override @Override
public void lock(Vehicle vehicle) { public void lock(Vehicle vehicle) {
} }
@Override @Override
public void unlock(Vehicle vehicle) { public void unlock(Vehicle vehicle) {
} }
@Override @Override
public boolean isLocked(Vehicle vehicle) { public boolean isLocked(Vehicle vehicle) {
return false; return false;
} }
@Override @Override
public void unlockAll() { public void unlockAll() {
} }
@Override @Override
public Collection<Vehicle> getAvailableVehicles() { public Collection<Vehicle> getAvailableVehicles() {
return types.values(); return types.values();
} }
@Override @Override
public Collection<Vehicle> getAvailableVehicles(Vehicle withoutThisType) { public Collection<Vehicle> getAvailableVehicles(Vehicle withoutThisType) {
Collection<Vehicle> vehicles = new ArrayList<Vehicle>(); Collection<Vehicle> vehicles = new ArrayList<Vehicle>();
VehicleTypeKey thisKey = new VehicleTypeKey(withoutThisType.getType().getTypeId(), withoutThisType.getStartLocation().getId(), withoutThisType.getEndLocation().getId(), withoutThisType.getEarliestDeparture(), withoutThisType.getLatestArrival(), withoutThisType.getSkills()); VehicleTypeKey thisKey = new VehicleTypeKey(withoutThisType.getType().getTypeId(), withoutThisType.getStartLocation().getId(), withoutThisType.getEndLocation().getId(), withoutThisType.getEarliestDeparture(), withoutThisType.getLatestArrival(), withoutThisType.getSkills(), withoutThisType.isReturnToDepot());
for (VehicleTypeKey key : types.keySet()) { for(VehicleTypeKey key : types.keySet()){
if (!key.equals(thisKey)) { if(!key.equals(thisKey)){
vehicles.add(types.get(key)); vehicles.add(types.get(key));
} }
} }
return vehicles; return vehicles;
} }
} }

1
jsprit-core/src/main/java/jsprit/core/problem/vehicle/Vehicle.java
View file

@ -70,4 +70,5 @@ public interface Vehicle extends HasId, HasIndex {
public abstract VehicleTypeKey getVehicleTypeIdentifier(); public abstract VehicleTypeKey getVehicleTypeIdentifier();
public abstract Skills getSkills(); public abstract Skills getSkills();
} }

302
jsprit-core/src/main/java/jsprit/core/problem/vehicle/VehicleFleetManagerImpl.java
View file

@ -25,184 +25,186 @@ import java.util.*;
class VehicleFleetManagerImpl implements VehicleFleetManager { class VehicleFleetManagerImpl implements VehicleFleetManager {
public VehicleFleetManagerImpl newInstance(Collection<Vehicle> vehicles) { public VehicleFleetManagerImpl newInstance(Collection<Vehicle> vehicles){
return new VehicleFleetManagerImpl(vehicles); return new VehicleFleetManagerImpl(vehicles);
} }
static class TypeContainer { static class TypeContainer {
private ArrayList<Vehicle> vehicleList; private ArrayList<Vehicle> vehicleList;
public TypeContainer() { public TypeContainer() {
super(); super();
vehicleList = new ArrayList<Vehicle>(); vehicleList = new ArrayList<Vehicle>();
} }
void add(Vehicle vehicle) { void add(Vehicle vehicle){
if (vehicleList.contains(vehicle)) { if(vehicleList.contains(vehicle)){
throw new IllegalStateException("cannot add vehicle twice " + vehicle.getId()); throw new IllegalStateException("cannot add vehicle twice " + vehicle.getId());
} }
vehicleList.add(vehicle); vehicleList.add(vehicle);
} }
void remove(Vehicle vehicle) { void remove(Vehicle vehicle){
vehicleList.remove(vehicle); vehicleList.remove(vehicle);
} }
public Vehicle getVehicle() { public Vehicle getVehicle() {
return vehicleList.get(0); return vehicleList.get(0);
// return vehicleList.getFirst(); // return vehicleList.getFirst();
} }
public boolean isEmpty() { public boolean isEmpty() {
return vehicleList.isEmpty(); return vehicleList.isEmpty();
} }
} }
private static Logger logger = LogManager.getLogger(VehicleFleetManagerImpl.class); private static Logger logger = LogManager.getLogger(VehicleFleetManagerImpl.class);
private Collection<Vehicle> vehicles; private Collection<Vehicle> vehicles;
private Set<Vehicle> lockedVehicles; private Set<Vehicle> lockedVehicles;
private Map<VehicleTypeKey, TypeContainer> typeMapOfAvailableVehicles; private Map<VehicleTypeKey,TypeContainer> typeMapOfAvailableVehicles;
private Map<VehicleTypeKey, Vehicle> penaltyVehicles = new HashMap<VehicleTypeKey, Vehicle>(); private Map<VehicleTypeKey,Vehicle> penaltyVehicles = new HashMap<VehicleTypeKey, Vehicle>();
public VehicleFleetManagerImpl(Collection<Vehicle> vehicles) { public VehicleFleetManagerImpl(Collection<Vehicle> vehicles) {
super(); super();
this.vehicles = vehicles; this.vehicles = vehicles;
this.lockedVehicles = new HashSet<Vehicle>(); this.lockedVehicles = new HashSet<Vehicle>();
makeMap(); makeMap();
logger.debug("initialise {}", this); logger.debug("initialise " + this);
} }
@Override @Override
public String toString() { public String toString() {
return "[name=finiteVehicles]"; return "[name=finiteVehicles]";
} }
private void makeMap() { private void makeMap() {
typeMapOfAvailableVehicles = new HashMap<VehicleTypeKey, TypeContainer>(); typeMapOfAvailableVehicles = new HashMap<VehicleTypeKey, TypeContainer>();
penaltyVehicles = new HashMap<VehicleTypeKey, Vehicle>(); penaltyVehicles = new HashMap<VehicleTypeKey, Vehicle>();
for (Vehicle v : vehicles) { for(Vehicle v : vehicles){
addVehicle(v); addVehicle(v);
} }
} }
private void addVehicle(Vehicle v) { private void addVehicle(Vehicle v) {
if (v.getType() == null) { if(v.getType() == null){
throw new IllegalStateException("vehicle needs type"); throw new IllegalStateException("vehicle needs type");
} }
VehicleTypeKey typeKey = new VehicleTypeKey(v.getType().getTypeId(), v.getStartLocation().getId(), v.getEndLocation().getId(), v.getEarliestDeparture(), v.getLatestArrival(), v.getSkills()); VehicleTypeKey typeKey = new VehicleTypeKey(v.getType().getTypeId(), v.getStartLocation().getId(), v.getEndLocation().getId(), v.getEarliestDeparture(), v.getLatestArrival(), v.getSkills(),v.isReturnToDepot() );
if (!typeMapOfAvailableVehicles.containsKey(typeKey)) { if(!typeMapOfAvailableVehicles.containsKey(typeKey)){
typeMapOfAvailableVehicles.put(typeKey, new TypeContainer()); typeMapOfAvailableVehicles.put(typeKey, new TypeContainer());
} }
typeMapOfAvailableVehicles.get(typeKey).add(v); typeMapOfAvailableVehicles.get(typeKey).add(v);
} }
private void removeVehicle(Vehicle v) { private void removeVehicle(Vehicle v){
VehicleTypeKey key = new VehicleTypeKey(v.getType().getTypeId(), v.getStartLocation().getId(), v.getEndLocation().getId(), v.getEarliestDeparture(), v.getLatestArrival(), v.getSkills()); VehicleTypeKey key = new VehicleTypeKey(v.getType().getTypeId(), v.getStartLocation().getId(), v.getEndLocation().getId(), v.getEarliestDeparture(), v.getLatestArrival(), v.getSkills(),v.isReturnToDepot() );
if (typeMapOfAvailableVehicles.containsKey(key)) { if(typeMapOfAvailableVehicles.containsKey(key)){
typeMapOfAvailableVehicles.get(key).remove(v); typeMapOfAvailableVehicles.get(key).remove(v);
} }
} }
/** /**
* Returns a collection of available vehicles. * Returns a collection of available vehicles.
* <p/> *
* <p>If there is no vehicle with a certain type and location anymore, it looks up whether a penalty vehicle has been specified with *<p>If there is no vehicle with a certain type and location anymore, it looks up whether a penalty vehicle has been specified with
* this type and location. If so, it returns this penalty vehicle. If not, no vehicle with this type and location is returned. * this type and location. If so, it returns this penalty vehicle. If not, no vehicle with this type and location is returned.
*/ */
@Override @Override
public Collection<Vehicle> getAvailableVehicles() { public Collection<Vehicle> getAvailableVehicles() {
List<Vehicle> vehicles = new ArrayList<Vehicle>(); List<Vehicle> vehicles = new ArrayList<Vehicle>();
for (VehicleTypeKey key : typeMapOfAvailableVehicles.keySet()) { for(VehicleTypeKey key : typeMapOfAvailableVehicles.keySet()){
if (!typeMapOfAvailableVehicles.get(key).isEmpty()) { if(!typeMapOfAvailableVehicles.get(key).isEmpty()){
vehicles.add(typeMapOfAvailableVehicles.get(key).getVehicle()); vehicles.add(typeMapOfAvailableVehicles.get(key).getVehicle());
} else { }
if (penaltyVehicles.containsKey(key)) { else{
vehicles.add(penaltyVehicles.get(key)); if(penaltyVehicles.containsKey(key)){
} vehicles.add(penaltyVehicles.get(key));
} }
} }
return vehicles; }
} return vehicles;
}
@Override @Override
public Collection<Vehicle> getAvailableVehicles(Vehicle withoutThisType) { public Collection<Vehicle> getAvailableVehicles(Vehicle withoutThisType) {
List<Vehicle> vehicles = new ArrayList<Vehicle>(); List<Vehicle> vehicles = new ArrayList<Vehicle>();
VehicleTypeKey thisKey = new VehicleTypeKey(withoutThisType.getType().getTypeId(), withoutThisType.getStartLocation().getId(), withoutThisType.getEndLocation().getId(), withoutThisType.getEarliestDeparture(), withoutThisType.getLatestArrival(), withoutThisType.getSkills()); VehicleTypeKey thisKey = new VehicleTypeKey(withoutThisType.getType().getTypeId(), withoutThisType.getStartLocation().getId(), withoutThisType.getEndLocation().getId(), withoutThisType.getEarliestDeparture(), withoutThisType.getLatestArrival(), withoutThisType.getSkills(),withoutThisType.isReturnToDepot() );
for (VehicleTypeKey key : typeMapOfAvailableVehicles.keySet()) { for(VehicleTypeKey key : typeMapOfAvailableVehicles.keySet()){
if (key.equals(thisKey)) continue; if(key.equals(thisKey)) continue;
if (!typeMapOfAvailableVehicles.get(key).isEmpty()) { if(!typeMapOfAvailableVehicles.get(key).isEmpty()){
vehicles.add(typeMapOfAvailableVehicles.get(key).getVehicle()); vehicles.add(typeMapOfAvailableVehicles.get(key).getVehicle());
} else { }
if (penaltyVehicles.containsKey(key)) { else{
vehicles.add(penaltyVehicles.get(key)); if(penaltyVehicles.containsKey(key)){
} vehicles.add(penaltyVehicles.get(key));
} }
} }
return vehicles; }
} return vehicles;
}
/* (non-Javadoc) /* (non-Javadoc)
* @see org.matsim.contrib.freight.vrp.basics.VehicleFleetManager#lock(org.matsim.contrib.freight.vrp.basics.Vehicle) * @see org.matsim.contrib.freight.vrp.basics.VehicleFleetManager#lock(org.matsim.contrib.freight.vrp.basics.Vehicle)
*/ */
@Override @Override
public void lock(Vehicle vehicle) { public void lock(Vehicle vehicle){
if (vehicles.isEmpty() || vehicle instanceof NoVehicle) { if(vehicles.isEmpty() || vehicle instanceof NoVehicle){
return; return;
} }
boolean locked = lockedVehicles.add(vehicle); boolean locked = lockedVehicles.add(vehicle);
removeVehicle(vehicle); removeVehicle(vehicle);
if (!locked) { if(!locked){
throw new IllegalStateException("cannot lock vehicle twice " + vehicle.getId()); throw new IllegalStateException("cannot lock vehicle twice " + vehicle.getId());
} }
} }
/* (non-Javadoc) /* (non-Javadoc)
* @see org.matsim.contrib.freight.vrp.basics.VehicleFleetManager#unlock(org.matsim.contrib.freight.vrp.basics.Vehicle) * @see org.matsim.contrib.freight.vrp.basics.VehicleFleetManager#unlock(org.matsim.contrib.freight.vrp.basics.Vehicle)
*/ */
@Override @Override
public void unlock(Vehicle vehicle) { public void unlock(Vehicle vehicle){
if (vehicles.isEmpty() || vehicle instanceof NoVehicle) { if(vehicles.isEmpty() || vehicle instanceof NoVehicle){
return; return;
} }
if (vehicle == null) return; if(vehicle == null) return;
lockedVehicles.remove(vehicle); lockedVehicles.remove(vehicle);
addVehicle(vehicle); addVehicle(vehicle);
} }
/* (non-Javadoc) /* (non-Javadoc)
* @see org.matsim.contrib.freight.vrp.basics.VehicleFleetManager#isLocked(org.matsim.contrib.freight.vrp.basics.Vehicle) * @see org.matsim.contrib.freight.vrp.basics.VehicleFleetManager#isLocked(org.matsim.contrib.freight.vrp.basics.Vehicle)
*/ */
@Override @Override
public boolean isLocked(Vehicle vehicle) { public boolean isLocked(Vehicle vehicle) {
return lockedVehicles.contains(vehicle); return lockedVehicles.contains(vehicle);
} }
/* (non-Javadoc) /* (non-Javadoc)
* @see org.matsim.contrib.freight.vrp.basics.VehicleFleetManager#unlockAll() * @see org.matsim.contrib.freight.vrp.basics.VehicleFleetManager#unlockAll()
*/ */
@Override @Override
public void unlockAll() { public void unlockAll() {
Collection<Vehicle> locked = new ArrayList<Vehicle>(lockedVehicles); Collection<Vehicle> locked = new ArrayList<Vehicle>(lockedVehicles);
for (Vehicle v : locked) { for(Vehicle v : locked){
unlock(v); unlock(v);
} }
if (!lockedVehicles.isEmpty()) { if(!lockedVehicles.isEmpty()){
throw new IllegalStateException("no vehicle must be locked"); throw new IllegalStateException("no vehicle must be locked");
} }
} }
@Deprecated @Deprecated
public int sizeOfLockedVehicles() { public int sizeOfLockedVehicles(){
return lockedVehicles.size(); return lockedVehicles.size();
} }
} }

404
jsprit-core/src/main/java/jsprit/core/problem/vehicle/VehicleImpl.java
View file

@ -23,29 +23,34 @@ import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger; import org.apache.logging.log4j.Logger;
/** /**
* Implementation of {@link Vehicle}. * Implementation of {@link Vehicle}.
* *
* @author stefan schroeder * @author stefan schroeder
*
*/ */
public class VehicleImpl extends AbstractVehicle { public class VehicleImpl extends AbstractVehicle{
/** /**
* Extension of {@link VehicleImpl} representing an unspecified vehicle with the id 'noVehicle' * Extension of {@link VehicleImpl} representing an unspecified vehicle with the id 'noVehicle'
* (to avoid null). * (to avoid null).
* *
* @author schroeder * @author schroeder
*/ *
public static class NoVehicle extends AbstractVehicle { */
public static class NoVehicle extends AbstractVehicle {
private String id = "noVehicle"; private String id = "noVehicle";
private VehicleType type = VehicleTypeImpl.Builder.newInstance("noType").build(); private VehicleType type = VehicleTypeImpl.Builder.newInstance("noType").build();
public NoVehicle() { public NoVehicle() {
} }
@Override @Override
public double getEarliestDeparture() { public double getEarliestDeparture() {
@ -88,28 +93,29 @@ public class VehicleImpl extends AbstractVehicle {
} }
} }
/** /**
* Builder that builds the vehicle. * Builder that builds the vehicle.
* <p/> *
* <p>By default, earliestDepartureTime is 0.0, latestDepartureTime is Double.MAX_VALUE, * <p>By default, earliestDepartureTime is 0.0, latestDepartureTime is Double.MAX_VALUE,
* it returns to the depot and its {@link VehicleType} is the DefaultType with typeId equal to 'default' * it returns to the depot and its {@link VehicleType} is the DefaultType with typeId equal to 'default'
* and a capacity of 0. * and a capacity of 0.
* *
* @author stefan * @author stefan
*/ *
public static class Builder { */
public static class Builder {
static final Logger log = LogManager.getLogger(Builder.class.getName()); static final Logger log = LogManager.getLogger(Builder.class.getName());
private String id; private String id;
private double earliestStart = 0.0; private double earliestStart = 0.0;
private double latestArrival = Double.MAX_VALUE; private double latestArrival = Double.MAX_VALUE;
private boolean returnToDepot = true; private boolean returnToDepot = true;
private VehicleType type = VehicleTypeImpl.Builder.newInstance("default").build(); private VehicleType type = VehicleTypeImpl.Builder.newInstance("default").build();
private Skills.Builder skillBuilder = Skills.Builder.newInstance(); private Skills.Builder skillBuilder = Skills.Builder.newInstance();
@ -120,124 +126,120 @@ public class VehicleImpl extends AbstractVehicle {
private Location endLocation; private Location endLocation;
private Builder(String id) { private Builder(String id) {
super(); super();
this.id = id; this.id = id;
} }
/** /**
* Sets the {@link VehicleType}.<br> * Sets the {@link VehicleType}.<br>
* *
* @param type the type to be set * @param type the type to be set
* @return this builder * @throws IllegalStateException if type is null
* @throws IllegalStateException if type is null * @return this builder
*/ */
public Builder setType(VehicleType type) { public Builder setType(VehicleType type){
if (type == null) throw new IllegalStateException("type cannot be null."); if(type==null) throw new IllegalStateException("type cannot be null.");
this.type = type; this.type = type;
return this; return this;
} }
/** /**
* Sets the flag whether the vehicle must return to depot or not. * Sets the flag whether the vehicle must return to depot or not.
* <p/> *
* <p>If returnToDepot is true, the vehicle must return to specified end-location. If you * <p>If returnToDepot is true, the vehicle must return to specified end-location. If you
* omit specifying the end-location, vehicle returns to start-location (that must to be set). If * omit specifying the end-location, vehicle returns to start-location (that must to be set). If
* you specify it, it returns to specified end-location. * you specify it, it returns to specified end-location.
* <p/> *
* <p>If returnToDepot is false, the end-location of the vehicle is endogenous. * <p>If returnToDepot is false, the end-location of the vehicle is endogenous.
* *
* @param returnToDepot true if vehicle need to return to depot, otherwise false * @param returnToDepot true if vehicle need to return to depot, otherwise false
* @return this builder * @return this builder
*/ */
public Builder setReturnToDepot(boolean returnToDepot) { public Builder setReturnToDepot(boolean returnToDepot){
this.returnToDepot = returnToDepot; this.returnToDepot = returnToDepot;
return this; return this;
} }
/** /**
* Sets start location. * Sets start location.
*
* @param startLocation start location * @param startLocation start location
* @return start location * @return start location
*/ */
public Builder setStartLocation(Location startLocation) { public Builder setStartLocation(Location startLocation){
this.startLocation = startLocation; this.startLocation = startLocation;
return this; return this;
} }
public Builder setEndLocation(Location endLocation) { public Builder setEndLocation(Location endLocation){
this.endLocation = endLocation; this.endLocation = endLocation;
return this; return this;
} }
/** /**
* Sets earliest-start of vehicle which should be the lower bound of the vehicle's departure times. * Sets earliest-start of vehicle which should be the lower bound of the vehicle's departure times.
* *
* @param earliest_startTime the earliest start time / departure time of the vehicle at its start location * @param earliest_startTime the earliest start time / departure time of the vehicle at its start location
* @return this builder * @return this builder
*/ */
public Builder setEarliestStart(double earliest_startTime) { public Builder setEarliestStart(double earliest_startTime){
this.earliestStart = earliest_startTime; this.earliestStart = earliest_startTime;
return this; return this;
} }
/** /**
* Sets the latest arrival at vehicle's end-location which is the upper bound of the vehicle's arrival times. * Sets the latest arrival at vehicle's end-location which is the upper bound of the vehicle's arrival times.
* *
* @param latest_arrTime the latest arrival time of the vehicle at its end location * @param latest_arrTime the latest arrival time of the vehicle at its end location
* @return this builder * @return this builder
*/ */
public Builder setLatestArrival(double latest_arrTime) { public Builder setLatestArrival(double latest_arrTime){
this.latestArrival = latest_arrTime; this.latestArrival = latest_arrTime;
return this; return this;
} }
public Builder addSkill(String skill) { public Builder addSkill(String skill){
skillBuilder.addSkill(skill); skillBuilder.addSkill(skill);
return this; return this;
} }
/** /**
* Builds and returns the vehicle. * Builds and returns the vehicle.
* <p/> *
* <p>if {@link VehicleType} is not set, default vehicle-type is set with id="default" and * <p>if {@link VehicleType} is not set, default vehicle-type is set with id="default" and
* capacity=0 * capacity=0
* <p/> *
* <p>if startLocationId || locationId is null (=> startLocationCoordinate || locationCoordinate must be set) then startLocationId=startLocationCoordinate.toString() * <p>if startLocationId || locationId is null (=> startLocationCoordinate || locationCoordinate must be set) then startLocationId=startLocationCoordinate.toString()
* and locationId=locationCoordinate.toString() [coord.toString() --> [x=x_val][y=y_val]) * and locationId=locationCoordinate.toString() [coord.toString() --> [x=x_val][y=y_val])
* <p>if endLocationId is null and endLocationCoordinate is set then endLocationId=endLocationCoordinate.toString() * <p>if endLocationId is null and endLocationCoordinate is set then endLocationId=endLocationCoordinate.toString()
* <p>if endLocationId==null AND endLocationCoordinate==null then endLocationId=startLocationId AND endLocationCoord=startLocationCoord * <p>if endLocationId==null AND endLocationCoordinate==null then endLocationId=startLocationId AND endLocationCoord=startLocationCoord
* Thus endLocationId can never be null even returnToDepot is false. * Thus endLocationId can never be null even returnToDepot is false.
* *
* @return vehicle * @return vehicle
* @throws IllegalStateException if both locationId and locationCoord is not set or (endLocationCoord!=null AND returnToDepot=false) * @throws IllegalStateException if both locationId and locationCoord is not set or (endLocationCoord!=null AND returnToDepot=false)
* or (endLocationId!=null AND returnToDepot=false) * or (endLocationId!=null AND returnToDepot=false)
*/ */
public VehicleImpl build() { public VehicleImpl build(){
if (startLocation != null && endLocation != null) { if(startLocation != null && endLocation != null){
if (!startLocation.getId().equals(endLocation.getId()) && !returnToDepot) if( !startLocation.getId().equals(endLocation.getId()) && !returnToDepot) throw new IllegalStateException("this must not be. you specified both endLocationId and open-routes. this is contradictory. <br>" +
throw new IllegalStateException("this must not be. you specified both endLocationId and open-routes. this is contradictory. <br>" +
"if you set endLocation, returnToDepot must be true. if returnToDepot is false, endLocationCoord must not be specified."); "if you set endLocation, returnToDepot must be true. if returnToDepot is false, endLocationCoord must not be specified.");
} }
if (startLocation != null && endLocation == null) { if (startLocation != null && endLocation == null) {
endLocation = startLocation; endLocation = startLocation;
} }
if (startLocation == null && endLocation == null) { if(startLocation == null && endLocation == null) {
throw new IllegalStateException("vehicle requires startLocation. but neither locationId nor locationCoord nor startLocationId nor startLocationCoord has been set"); throw new IllegalStateException("vehicle requires startLocation. but neither locationId nor locationCoord nor startLocationId nor startLocationCoord has been set");
} }
skills = skillBuilder.build(); skills = skillBuilder.build();
return new VehicleImpl(this); return new VehicleImpl(this);
} }
/** /**
* Returns new instance of vehicle builder. * Returns new instance of vehicle builder.
* *
* @param vehicleId the id of the vehicle which must be a unique identifier among all vehicles * @param vehicleId the id of the vehicle which must be a unique identifier among all vehicles
* @return vehicle builder * @return vehicle builder
*/ */
public static Builder newInstance(String vehicleId) { public static Builder newInstance(String vehicleId){ return new Builder(vehicleId); }
return new Builder(vehicleId);
}
public Builder addSkills(Skills skills) { public Builder addSkills(Skills skills) {
this.skillBuilder.addAllSkills(skills.values()); this.skillBuilder.addAllSkills(skills.values());
@ -245,26 +247,26 @@ public class VehicleImpl extends AbstractVehicle {
} }
} }
/** /**
* Returns empty/noVehicle which is a vehicle having no capacity, no type and no reasonable id. * Returns empty/noVehicle which is a vehicle having no capacity, no type and no reasonable id.
* <p/> *
* <p>NoVehicle has id="noVehicle" and extends {@link VehicleImpl} * <p>NoVehicle has id="noVehicle" and extends {@link VehicleImpl}
* *
* @return emptyVehicle * @return emptyVehicle
*/ */
public static NoVehicle createNoVehicle() { public static NoVehicle createNoVehicle(){
return new NoVehicle(); return new NoVehicle();
} }
private final String id; private final String id;
private final VehicleType type; private final VehicleType type;
private final double earliestDeparture; private final double earliestDeparture;
private final double latestArrival; private final double latestArrival;
private final boolean returnToDepot; private final boolean returnToDepot;
private final Skills skills; private final Skills skills;
@ -272,57 +274,57 @@ public class VehicleImpl extends AbstractVehicle {
private final Location startLocation; private final Location startLocation;
private VehicleImpl(Builder builder) { private VehicleImpl(Builder builder){
id = builder.id; id = builder.id;
type = builder.type; type = builder.type;
earliestDeparture = builder.earliestStart; earliestDeparture = builder.earliestStart;
latestArrival = builder.latestArrival; latestArrival = builder.latestArrival;
returnToDepot = builder.returnToDepot; returnToDepot = builder.returnToDepot;
skills = builder.skills; skills = builder.skills;
endLocation = builder.endLocation; endLocation = builder.endLocation;
startLocation = builder.startLocation; startLocation = builder.startLocation;
setVehicleIdentifier(new VehicleTypeKey(type.getTypeId(), startLocation.getId(), endLocation.getId(), earliestDeparture, latestArrival, skills)); setVehicleIdentifier(new VehicleTypeKey(type.getTypeId(),startLocation.getId(),endLocation.getId(),earliestDeparture,latestArrival,skills));
} }
/** /**
* Returns String with attributes of this vehicle * Returns String with attributes of this vehicle
* <p/> *
* <p>String has the following format [attr1=val1][attr2=val2]...[attrn=valn] * <p>String has the following format [attr1=val1][attr2=val2]...[attrn=valn]
*/ */
@Override @Override
public String toString() { public String toString() {
return "[id=" + id + "]" + return "[id="+id+"]" +
"[type=" + type + "]" + "[type="+type+"]" +
"[startLocation=" + startLocation + "]" + "[startLocation="+startLocation+"]" +
"[endLocation=" + endLocation + "]" + "[endLocation=" + endLocation+"]" +
"[isReturnToDepot=" + isReturnToDepot() + "]" + "[isReturnToDepot=" + isReturnToDepot() + "]" +
"[skills=" + skills + "]"; "[skills="+ skills + "]";
} }
@Override @Override
public double getEarliestDeparture() { public double getEarliestDeparture() {
return earliestDeparture; return earliestDeparture;
} }
@Override @Override
public double getLatestArrival() { public double getLatestArrival() {
return latestArrival; return latestArrival;
} }
@Override @Override
public VehicleType getType() { public VehicleType getType() {
return type; return type;
} }
@Override @Override
public String getId() { public String getId() {
return id; return id;
} }
public boolean isReturnToDepot() { public boolean isReturnToDepot() {
return returnToDepot; return returnToDepot;
} }
@Override @Override
public Location getStartLocation() { public Location getStartLocation() {
@ -342,39 +344,41 @@ public class VehicleImpl extends AbstractVehicle {
/* (non-Javadoc) /* (non-Javadoc)
* @see java.lang.Object#hashCode() * @see java.lang.Object#hashCode()
*/ */
@Override @Override
public int hashCode() { public int hashCode() {
final int prime = 31; final int prime = 31;
int result = 1; int result = 1;
result = prime * result + ((id == null) ? 0 : id.hashCode()); result = prime * result + ((id == null) ? 0 : id.hashCode());
result = prime * result + ((type == null) ? 0 : type.hashCode()); result = prime * result + ((type == null) ? 0 : type.hashCode());
return result; return result;
} }
/**
* Two vehicles are equal if they have the same id and if their types are equal.
*/
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
VehicleImpl other = (VehicleImpl) obj;
if (id == null) {
if (other.id != null)
return false;
} else if (!id.equals(other.id))
return false;
if (type == null) {
if (other.type != null)
return false;
} else if (!type.equals(other.type))
return false;
return true;
}
/**
* Two vehicles are equal if they have the same id and if their types are equal.
*/
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
VehicleImpl other = (VehicleImpl) obj;
if (id == null) {
if (other.id != null)
return false;
} else if (!id.equals(other.id))
return false;
if (type == null) {
if (other.type != null)
return false;
} else if (!type.equals(other.type))
return false;
return true;
}
} }

520
jsprit-core/src/main/java/jsprit/core/problem/vehicle/VehicleTypeImpl.java
View file

@ -21,282 +21,330 @@ import jsprit.core.problem.Capacity;
/** /**
* Implementation of {@link VehicleType}. * Implementation of {@link VehicleType}.
* <p/> *
* <p>Two vehicle-types are equal if they have the same typeId. * <p>Two vehicle-types are equal if they have the same typeId.
* *
* @author schroeder * @author schroeder
*
*/ */
public class VehicleTypeImpl implements VehicleType { public class VehicleTypeImpl implements VehicleType {
/** /**
* CostParameter consisting of fixed cost parameter, time-based cost parameter and distance-based cost parameter. * CostParameter consisting of fixed cost parameter, time-based cost parameter and distance-based cost parameter.
* *
* @author schroeder * @author schroeder
*/ *
public static class VehicleCostParams { */
public static class VehicleCostParams {
public static VehicleTypeImpl.VehicleCostParams newInstance(double fix, double perTimeUnit, double perDistanceUnit) { public static VehicleTypeImpl.VehicleCostParams newInstance(double fix, double perTimeUnit,double perDistanceUnit){
return new VehicleCostParams(fix, perTimeUnit, perDistanceUnit); return new VehicleCostParams(fix, perTimeUnit, perDistanceUnit);
} }
public final double fix; public final double fix;
public final double perTimeUnit; @Deprecated
public final double perDistanceUnit; public final double perTimeUnit;
public final double perTransportTimeUnit;
public final double perDistanceUnit;
public final double perWaitingTimeUnit;
private VehicleCostParams(double fix, double perTimeUnit, double perDistanceUnit) { private VehicleCostParams(double fix, double perTimeUnit,double perDistanceUnit) {
super(); super();
this.fix = fix; this.fix = fix;
this.perTimeUnit = perTimeUnit; this.perTimeUnit = perTimeUnit;
this.perDistanceUnit = perDistanceUnit; this.perTransportTimeUnit = perTimeUnit;
} this.perDistanceUnit = perDistanceUnit;
this.perWaitingTimeUnit = 0.;
}
@Override public VehicleCostParams(double fix, double perTimeUnit, double perDistanceUnit, double perWaitingTimeUnit) {
public String toString() { this.fix = fix;
return "[fixed=" + fix + "][perTime=" + perTimeUnit + "][perDistance=" + perDistanceUnit + "]"; this.perTimeUnit = perTimeUnit;
} this.perTransportTimeUnit = perTimeUnit;
} this.perDistanceUnit = perDistanceUnit;
this.perWaitingTimeUnit = perWaitingTimeUnit;
}
/** @Override
* Builder that builds the vehicle-type. public String toString() {
* return "[fixed="+fix+"][perTime="+perTransportTimeUnit+"][perDistance="+perDistanceUnit+"][perWaitingTimeUnit="+perWaitingTimeUnit+"]";
* @author schroeder }
*/ }
public static class Builder {
public static VehicleTypeImpl.Builder newInstance(String id) { /**
if (id == null) throw new IllegalStateException(); * Builder that builds the vehicle-type.
return new Builder(id); *
} * @author schroeder
*
*/
public static class Builder{
private String id;
private int capacity = 0;
private double maxVelo = Double.MAX_VALUE;
/**
* default cost values for default vehicle type
*/
private double fixedCost = 0.0;
private double perDistance = 1.0;
private double perTime = 0.0;
private String profile = "car";
private Capacity.Builder capacityBuilder = Capacity.Builder.newInstance(); public static VehicleTypeImpl.Builder newInstance(String id) {
if(id==null) throw new IllegalStateException();
return new Builder(id);
}
private Capacity capacityDimensions = null; private String id;
private int capacity = 0;
private double maxVelo = Double.MAX_VALUE;
/**
* default cost values for default vehicle type
*/
private double fixedCost = 0.0;
private double perDistance = 1.0;
private double perTime = 0.0;
private double perWaitingTime = 0.0;
private boolean dimensionAdded = false; private String profile = "car";
private Builder(String id) { private Capacity.Builder capacityBuilder = Capacity.Builder.newInstance();
this.id = id;
}
/** private Capacity capacityDimensions = null;
* Sets the maximum velocity this vehicle-type can go [in meter per seconds].
*
* @param inMeterPerSeconds
* @return this builder
* @throws IllegalStateException if velocity is smaller than zero
*/
public VehicleTypeImpl.Builder setMaxVelocity(double inMeterPerSeconds) {
if (inMeterPerSeconds < 0.0) throw new IllegalStateException("velocity cannot be smaller than zero");
this.maxVelo = inMeterPerSeconds;
return this;
}
/** private boolean dimensionAdded = false;
* Sets the fixed costs of the vehicle-type.
* <p/>
* <p>by default it is 0.
*
* @param fixedCost
* @return this builder
* @throws IllegalStateException if fixedCost is smaller than zero
*/
public VehicleTypeImpl.Builder setFixedCost(double fixedCost) {
if (fixedCost < 0.0) throw new IllegalStateException("fixed costs cannot be smaller than zero");
this.fixedCost = fixedCost;
return this;
}
/** private Builder(String id) {
* Sets the cost per distance unit, for instance € per meter. this.id = id;
* <p/> }
* <p>by default it is 1.0
*
* @param perDistance
* @return this builder
* @throws IllegalStateException if perDistance is smaller than zero
*/
public VehicleTypeImpl.Builder setCostPerDistance(double perDistance) {
if (perDistance < 0.0) throw new IllegalStateException("cost per distance must not be smaller than zero");
this.perDistance = perDistance;
return this;
}
/** /**
* Sets cost per time unit, for instance € per second. * Sets the maximum velocity this vehicle-type can go [in meter per seconds].
* <p/> *
* <p>by default it is 0.0 * @param inMeterPerSeconds
* * @return this builder
* @param perTime * @throws IllegalStateException if velocity is smaller than zero
* @return this builder */
* @throws IllegalStateException if costPerTime is smaller than zero public VehicleTypeImpl.Builder setMaxVelocity(double inMeterPerSeconds){
*/ if(inMeterPerSeconds < 0.0) throw new IllegalStateException("velocity cannot be smaller than zero");
public VehicleTypeImpl.Builder setCostPerTime(double perTime) { this.maxVelo = inMeterPerSeconds; return this;
if (perTime < 0.0) throw new IllegalStateException(); }
this.perTime = perTime;
return this;
}
/** /**
* Builds the vehicle-type. * Sets the fixed costs of the vehicle-type.
* *
* @return VehicleTypeImpl * <p>by default it is 0.
*/ *
public VehicleTypeImpl build() { * @param fixedCost
if (capacityDimensions == null) { * @return this builder
capacityDimensions = capacityBuilder.build(); * @throws IllegalStateException if fixedCost is smaller than zero
} */
return new VehicleTypeImpl(this); public VehicleTypeImpl.Builder setFixedCost(double fixedCost) {
} if(fixedCost < 0.0) throw new IllegalStateException("fixed costs cannot be smaller than zero");
this.fixedCost = fixedCost;
return this;
}
/** /**
* Adds a capacity dimension. * Sets the cost per distance unit, for instance € per meter.
* *
* @param dimIndex * <p>by default it is 1.0
* @param dimVal *
* @return the builder * @param perDistance
* @throws IllegalArgumentException if dimVal < 0 * @return this builder
* @throws IllegalStateException if capacity dimension is already set * @throws IllegalStateException if perDistance is smaller than zero
*/ */
public Builder addCapacityDimension(int dimIndex, int dimVal) { public VehicleTypeImpl.Builder setCostPerDistance(double perDistance){
if (dimVal < 0) throw new IllegalArgumentException("capacity value cannot be negative"); if(perDistance < 0.0) throw new IllegalStateException("cost per distance must not be smaller than zero");
if (capacityDimensions != null) this.perDistance = perDistance;
throw new IllegalStateException("either build your dimension with build your dimensions with " + return this;
"addCapacityDimension(int dimIndex, int dimVal) or set the already built dimensions with .setCapacityDimensions(Capacity capacity)." + }
"You used both methods.");
dimensionAdded = true;
capacityBuilder.addDimension(dimIndex, dimVal);
return this;
}
/** /**
* Sets capacity dimensions. * Sets cost per time unit, for instance € per second.
* <p/> *
* <p>Note if you use this you cannot use <code>addCapacityDimension(int dimIndex, int dimVal)</code> anymore. Thus either build * <p>by default it is 0.0
* your dimensions with <code>addCapacityDimension(int dimIndex, int dimVal)</code> or set the already built dimensions with *
* this method. * @param perTime
* * @return this builder
* @param capacity * @throws IllegalStateException if costPerTime is smaller than zero
* @return this builder * @deprecated use .setCostPerTransportTime(..) instead
* @throws IllegalStateException if capacityDimension has already been added */
*/ @Deprecated
public Builder setCapacityDimensions(Capacity capacity) { public VehicleTypeImpl.Builder setCostPerTime(double perTime){
if (dimensionAdded) if(perTime < 0.0) throw new IllegalStateException();
throw new IllegalStateException("either build your dimension with build your dimensions with " + this.perTime = perTime;
"addCapacityDimension(int dimIndex, int dimVal) or set the already built dimensions with .setCapacityDimensions(Capacity capacity)." + return this;
"You used both methods."); }
this.capacityDimensions = capacity;
return this;
}
public Builder setProfile(String profile) { /**
this.profile = profile; * Sets cost per time unit, for instance € per second.
return this; *
} * <p>by default it is 0.0
} *
* @param perTime
* @return this builder
* @throws IllegalStateException if costPerTime is smaller than zero
*
*/
public VehicleTypeImpl.Builder setCostPerTransportTime(double perTime){
if(perTime < 0.0) throw new IllegalStateException();
this.perTime = perTime;
return this;
}
@Override /**
public int hashCode() { * Sets cost per waiting time unit, for instance € per second.
final int prime = 31; *
int result = 1; * <p>by default it is 0.0
result = prime * result *
+ ((typeId == null) ? 0 : typeId.hashCode()); * @param perWaitingTime
return result; * @return this builder
} * @throws IllegalStateException if costPerTime is smaller than zero
*
*/
public VehicleTypeImpl.Builder setCostPerWaitingTime(double perWaitingTime){
if(perWaitingTime < 0.0) throw new IllegalStateException();
this.perWaitingTime = perWaitingTime;
return this;
}
/** /**
* Two vehicle-types are equal if they have the same vehicleId. * Builds the vehicle-type.
*/ *
@Override * @return VehicleTypeImpl
public boolean equals(Object obj) { */
if (this == obj) public VehicleTypeImpl build(){
return true; if(capacityDimensions == null){
if (obj == null) capacityDimensions = capacityBuilder.build();
return false; }
if (getClass() != obj.getClass()) return new VehicleTypeImpl(this);
return false; }
VehicleTypeImpl other = (VehicleTypeImpl) obj;
if (typeId == null) {
if (other.typeId != null)
return false;
} else if (!typeId.equals(other.typeId))
return false;
return true;
}
private final String typeId; /**
* Adds a capacity dimension.
*
* @param dimIndex
* @param dimVal
* @return the builder
* @throws IllegalArgumentException if dimVal < 0
* @throws IllegalStateException if capacity dimension is already set
*/
public Builder addCapacityDimension(int dimIndex, int dimVal) {
if(dimVal<0) throw new IllegalArgumentException("capacity value cannot be negative");
if(capacityDimensions != null) throw new IllegalStateException("either build your dimension with build your dimensions with " +
"addCapacityDimension(int dimIndex, int dimVal) or set the already built dimensions with .setCapacityDimensions(Capacity capacity)." +
"You used both methods.");
dimensionAdded = true;
capacityBuilder.addDimension(dimIndex,dimVal);
return this;
}
private final int capacity; /**
* Sets capacity dimensions.
*
* <p>Note if you use this you cannot use <code>addCapacityDimension(int dimIndex, int dimVal)</code> anymore. Thus either build
* your dimensions with <code>addCapacityDimension(int dimIndex, int dimVal)</code> or set the already built dimensions with
* this method.
*
* @param capacity
* @return this builder
* @throws IllegalStateException if capacityDimension has already been added
*/
public Builder setCapacityDimensions(Capacity capacity){
if(dimensionAdded) throw new IllegalStateException("either build your dimension with build your dimensions with " +
"addCapacityDimension(int dimIndex, int dimVal) or set the already built dimensions with .setCapacityDimensions(Capacity capacity)." +
"You used both methods.");
this.capacityDimensions = capacity;
return this;
}
private final String profile; public Builder setProfile(String profile){
this.profile = profile;
return this;
}
}
private final VehicleTypeImpl.VehicleCostParams vehicleCostParams; @Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result
+ ((typeId == null) ? 0 : typeId.hashCode());
return result;
}
private final Capacity capacityDimensions; /**
* Two vehicle-types are equal if they have the same vehicleId.
*/
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
VehicleTypeImpl other = (VehicleTypeImpl) obj;
if (typeId == null) {
if (other.typeId != null)
return false;
} else if (!typeId.equals(other.typeId))
return false;
return true;
}
private final double maxVelocity; private final String typeId;
/** private final int capacity;
* priv constructor constructing vehicle-type
*
* @param builder
*/
private VehicleTypeImpl(VehicleTypeImpl.Builder builder) {
typeId = builder.id;
capacity = builder.capacity;
maxVelocity = builder.maxVelo;
vehicleCostParams = new VehicleCostParams(builder.fixedCost, builder.perTime, builder.perDistance);
capacityDimensions = builder.capacityDimensions;
profile = builder.profile;
}
/* (non-Javadoc) private final String profile;
* @see basics.route.VehicleType#getTypeId()
*/
@Override
public String getTypeId() {
return typeId;
}
/* (non-Javadoc) private final VehicleTypeImpl.VehicleCostParams vehicleCostParams;
* @see basics.route.VehicleType#getVehicleCostParams()
*/
@Override
public VehicleTypeImpl.VehicleCostParams getVehicleCostParams() {
return vehicleCostParams;
}
@Override private final Capacity capacityDimensions;
public String toString() {
return "[typeId=" + typeId + "]" +
"[capacity=" + capacityDimensions + "]" +
"[costs=" + vehicleCostParams + "]";
}
@Override private final double maxVelocity;
public double getMaxVelocity() {
return maxVelocity;
}
@Override /**
public Capacity getCapacityDimensions() { * priv constructor constructing vehicle-type
return capacityDimensions; *
} * @param builder
*/
private VehicleTypeImpl(VehicleTypeImpl.Builder builder){
typeId = builder.id;
capacity = builder.capacity;
maxVelocity = builder.maxVelo;
vehicleCostParams = new VehicleCostParams(builder.fixedCost, builder.perTime, builder.perDistance, builder.perWaitingTime);
capacityDimensions = builder.capacityDimensions;
profile = builder.profile;
}
@Override /* (non-Javadoc)
public String getProfile() { * @see basics.route.VehicleType#getTypeId()
return profile; */
} @Override
public String getTypeId() {
return typeId;
}
/* (non-Javadoc)
* @see basics.route.VehicleType#getVehicleCostParams()
*/
@Override
public VehicleTypeImpl.VehicleCostParams getVehicleCostParams() {
return vehicleCostParams;
}
@Override
public String toString() {
return "[typeId="+typeId+"]" +
"[capacity="+capacityDimensions+"]" +
"[costs=" + vehicleCostParams + "]";
}
@Override
public double getMaxVelocity() {
return maxVelocity;
}
@Override
public Capacity getCapacityDimensions() {
return capacityDimensions;
}
@Override
public String getProfile(){ return profile; }
} }

50
jsprit-core/src/main/java/jsprit/core/problem/vehicle/VehicleTypeKey.java
View file

@ -23,39 +23,43 @@ import jsprit.core.problem.Skills;
/** /**
* Key to identify similar vehicles * Key to identify similar vehicles
* <p/> *
* <p>Two vehicles are equal if they share the same type, the same start and end-location and the same earliestStart and latestStart. * <p>Two vehicles are equal if they share the same type, the same start and end-location and the same earliestStart and latestStart.
* *
* @author stefan * @author stefan
*
*/ */
public class VehicleTypeKey extends AbstractVehicle.AbstractTypeKey { public class VehicleTypeKey extends AbstractVehicle.AbstractTypeKey{
public final String type; public final String type;
public final String startLocationId; public final String startLocationId;
public final String endLocationId; public final String endLocationId;
public final double earliestStart; public final double earliestStart;
public final double latestEnd; public final double latestEnd;
public final Skills skills; public final Skills skills;
public final boolean returnToDepot;
public VehicleTypeKey(String typeId, String startLocationId, String endLocationId, double earliestStart, double latestEnd, Skills skills) { public VehicleTypeKey(String typeId, String startLocationId, String endLocationId, double earliestStart, double latestEnd, Skills skills, boolean returnToDepot) {
super(); super();
this.type = typeId; this.type = typeId;
this.startLocationId = startLocationId; this.startLocationId = startLocationId;
this.endLocationId = endLocationId; this.endLocationId = endLocationId;
this.earliestStart = earliestStart; this.earliestStart = earliestStart;
this.latestEnd = latestEnd; this.latestEnd = latestEnd;
this.skills = skills; this.skills = skills;
} this.returnToDepot=returnToDepot;
}
@Override @Override
public boolean equals(Object o) { public boolean equals(Object o) {
if (this == o) return true; if (this == o) return true;
if (!(o instanceof VehicleTypeKey)) return false; if (o == null || getClass() != o.getClass()) return false;
VehicleTypeKey that = (VehicleTypeKey) o; VehicleTypeKey that = (VehicleTypeKey) o;
if (Double.compare(that.earliestStart, earliestStart) != 0) return false; if (Double.compare(that.earliestStart, earliestStart) != 0) return false;
if (Double.compare(that.latestEnd, latestEnd) != 0) return false; if (Double.compare(that.latestEnd, latestEnd) != 0) return false;
if (returnToDepot != that.returnToDepot) return false;
if (!endLocationId.equals(that.endLocationId)) return false; if (!endLocationId.equals(that.endLocationId)) return false;
if (!skills.equals(that.skills)) return false; if (!skills.equals(that.skills)) return false;
if (!startLocationId.equals(that.startLocationId)) return false; if (!startLocationId.equals(that.startLocationId)) return false;
@ -76,16 +80,18 @@ public class VehicleTypeKey extends AbstractVehicle.AbstractTypeKey {
temp = Double.doubleToLongBits(latestEnd); temp = Double.doubleToLongBits(latestEnd);
result = 31 * result + (int) (temp ^ (temp >>> 32)); result = 31 * result + (int) (temp ^ (temp >>> 32));
result = 31 * result + skills.hashCode(); result = 31 * result + skills.hashCode();
result = 31 * result + (returnToDepot ? 1 : 0);
return result; return result;
} }
@Override @Override
public String toString() { public String toString() {
StringBuilder stringBuilder = new StringBuilder(); StringBuilder stringBuilder = new StringBuilder();
stringBuilder.append(type).append("_").append(startLocationId).append("_").append(endLocationId) stringBuilder.append(type).append("_").append(startLocationId).append("_").append(endLocationId)
.append("_").append(Double.toString(earliestStart)).append("_").append(Double.toString(latestEnd)); .append("_").append(Double.toString(earliestStart)).append("_").append(Double.toString(latestEnd));
return stringBuilder.toString(); return stringBuilder.toString();
} }
} }

108
jsprit-core/src/test/java/jsprit/core/algorithm/VariableDepartureAndWaitingTime_IT.java Normal file
View file

@ -0,0 +1,108 @@
package jsprit.core.algorithm;
import jsprit.core.algorithm.box.Jsprit;
import jsprit.core.algorithm.state.StateManager;
import jsprit.core.analysis.SolutionAnalyser;
import jsprit.core.problem.Location;
import jsprit.core.problem.VehicleRoutingProblem;
import jsprit.core.problem.constraint.ConstraintManager;
import jsprit.core.problem.cost.TransportDistance;
import jsprit.core.problem.cost.VehicleRoutingActivityCosts;
import jsprit.core.problem.driver.Driver;
import jsprit.core.problem.job.Service;
import jsprit.core.problem.solution.SolutionCostCalculator;
import jsprit.core.problem.solution.VehicleRoutingProblemSolution;
import jsprit.core.problem.solution.route.activity.TimeWindow;
import jsprit.core.problem.solution.route.activity.TourActivity;
import jsprit.core.problem.vehicle.Vehicle;
import jsprit.core.problem.vehicle.VehicleImpl;
import jsprit.core.util.CostFactory;
import jsprit.core.util.Solutions;
import junit.framework.Assert;
import org.junit.Before;
import org.junit.Test;
/**
* Created by schroeder on 22/07/15.
*/
public class VariableDepartureAndWaitingTime_IT {
static interface AlgorithmFactory {
VehicleRoutingAlgorithm createAlgorithm(VehicleRoutingProblem vrp);
}
VehicleRoutingActivityCosts activityCosts;
AlgorithmFactory algorithmFactory;
@Before
public void doBefore(){
activityCosts = new VehicleRoutingActivityCosts() {
@Override
public double getActivityCost(TourActivity tourAct, double arrivalTime, Driver driver, Vehicle vehicle) {
return vehicle.getType().getVehicleCostParams().perWaitingTimeUnit * Math.max(0,tourAct.getTheoreticalEarliestOperationStartTime() - arrivalTime);
}
};
algorithmFactory = new AlgorithmFactory() {
@Override
public VehicleRoutingAlgorithm createAlgorithm(final VehicleRoutingProblem vrp) {
StateManager stateManager = new StateManager(vrp);
ConstraintManager constraintManager = new ConstraintManager(vrp,stateManager);
return Jsprit.Builder.newInstance(vrp)
.addCoreStateAndConstraintStuff(true)
.setStateAndConstraintManager(stateManager,constraintManager)
.setObjectiveFunction(new SolutionCostCalculator() {
@Override
public double getCosts(VehicleRoutingProblemSolution solution) {
SolutionAnalyser sa = new SolutionAnalyser(vrp, solution, new TransportDistance() {
@Override
public double getDistance(Location from, Location to) {
return vrp.getTransportCosts().getTransportCost(from, to, 0., null, null);
}
});
return sa.getWaitingTime() + sa.getDistance();
}
})
.buildAlgorithm();
}
};
}
@Test
public void plainSetupShouldWork(){
VehicleImpl v = VehicleImpl.Builder.newInstance("v").setStartLocation(Location.newInstance(0,0)).build();
Service s1 = Service.Builder.newInstance("s1").setLocation(Location.newInstance(10,0)).build();
Service s2 = Service.Builder.newInstance("s2").setLocation(Location.newInstance(20,0)).build();
VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance()
.addJob(s1).addJob(s2).addVehicle(v)
.setFleetSize(VehicleRoutingProblem.FleetSize.FINITE)
.setRoutingCost(CostFactory.createManhattanCosts())
.setActivityCosts(activityCosts)
.build();
VehicleRoutingAlgorithm vra = algorithmFactory.createAlgorithm(vrp);
VehicleRoutingProblemSolution solution = Solutions.bestOf(vra.searchSolutions());
Assert.assertEquals(40.,solution.getCost());
}
@Test
public void withTimeWindowsShouldWork(){
VehicleImpl v = VehicleImpl.Builder.newInstance("v").setStartLocation(Location.newInstance(0,0)).build();
Service s1 = Service.Builder.newInstance("s1").setTimeWindow(TimeWindow.newInstance(1010,1100)).setLocation(Location.newInstance(10,0)).build();
Service s2 = Service.Builder.newInstance("s2").setTimeWindow(TimeWindow.newInstance(1020,1100)).setLocation(Location.newInstance(20,0)).build();
final VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance()
.addJob(s1).addJob(s2).addVehicle(v)
.setFleetSize(VehicleRoutingProblem.FleetSize.FINITE)
.setRoutingCost(CostFactory.createManhattanCosts())
.setActivityCosts(activityCosts)
.build();
VehicleRoutingAlgorithm vra = algorithmFactory.createAlgorithm(vrp);
VehicleRoutingProblemSolution solution = Solutions.bestOf(vra.searchSolutions());
Assert.assertEquals(40.+1000.,solution.getCost());
}
}

58
jsprit-core/src/test/java/jsprit/core/algorithm/recreate/ServiceInsertionAndLoadConstraintsTest.java
View file

@ -54,49 +54,49 @@ import static org.mockito.Mockito.mock;
public class ServiceInsertionAndLoadConstraintsTest { public class ServiceInsertionAndLoadConstraintsTest {
VehicleRoutingTransportCosts routingCosts; VehicleRoutingTransportCosts routingCosts;
VehicleRoutingActivityCosts activityCosts = new VehicleRoutingActivityCosts() { VehicleRoutingActivityCosts activityCosts = new VehicleRoutingActivityCosts(){
@Override @Override
public double getActivityCost(TourActivity tourAct, double arrivalTime, Driver driver, Vehicle vehicle) { public double getActivityCost(TourActivity tourAct, double arrivalTime,Driver driver, Vehicle vehicle) {
return 0; return 0;
} }
}; };
HardActivityConstraint hardActivityLevelConstraint = new HardActivityConstraint() { HardActivityConstraint hardActivityLevelConstraint = new HardActivityConstraint() {
@Override @Override
public ConstraintsStatus fulfilled(JobInsertionContext iFacts, TourActivity prevAct, TourActivity newAct, TourActivity nextAct, double prevActDepTime) { public ConstraintsStatus fulfilled(JobInsertionContext iFacts, TourActivity prevAct,TourActivity newAct, TourActivity nextAct, double prevActDepTime) {
return ConstraintsStatus.FULFILLED; return ConstraintsStatus.FULFILLED;
} }
}; };
HardRouteConstraint hardRouteLevelConstraint = new HardRouteConstraint() { HardRouteConstraint hardRouteLevelConstraint = new HardRouteConstraint(){
@Override @Override
public boolean fulfilled(JobInsertionContext insertionContext) { public boolean fulfilled(JobInsertionContext insertionContext) {
return true; return true;
} }
}; };
ActivityInsertionCostsCalculator activityInsertionCostsCalculator; ActivityInsertionCostsCalculator activityInsertionCostsCalculator;
ShipmentInsertionCalculator insertionCalculator; ShipmentInsertionCalculator insertionCalculator;
VehicleRoutingProblem vehicleRoutingProblem; VehicleRoutingProblem vehicleRoutingProblem;
Vehicle vehicle; Vehicle vehicle;
@Before @Before
public void doBefore() { public void doBefore(){
routingCosts = CostFactory.createManhattanCosts(); routingCosts = CostFactory.createManhattanCosts();
VehicleType type = VehicleTypeImpl.Builder.newInstance("t").addCapacityDimension(0, 2).setCostPerDistance(1).build(); VehicleType type = VehicleTypeImpl.Builder.newInstance("t").addCapacityDimension(0, 2).setCostPerDistance(1).build();
vehicle = VehicleImpl.Builder.newInstance("v").setStartLocation(Location.newInstance("0,0")).setType(type).build(); vehicle = VehicleImpl.Builder.newInstance("v").setStartLocation(Location.newInstance("0,0")).setType(type).build();
activityInsertionCostsCalculator = new LocalActivityInsertionCostsCalculator(routingCosts, activityCosts); activityInsertionCostsCalculator = new LocalActivityInsertionCostsCalculator(routingCosts, activityCosts, mock(StateManager.class));
createInsertionCalculator(hardRouteLevelConstraint); createInsertionCalculator(hardRouteLevelConstraint);
vehicleRoutingProblem = mock(VehicleRoutingProblem.class); vehicleRoutingProblem = mock(VehicleRoutingProblem.class);
} }

260
jsprit-core/src/test/java/jsprit/core/algorithm/recreate/ShipmentInsertionCalculatorTest.java
View file

@ -61,71 +61,71 @@ import static org.mockito.Mockito.when;
public class ShipmentInsertionCalculatorTest { public class ShipmentInsertionCalculatorTest {
VehicleRoutingTransportCosts routingCosts; VehicleRoutingTransportCosts routingCosts;
VehicleRoutingProblem vehicleRoutingProblem; VehicleRoutingProblem vehicleRoutingProblem;
VehicleRoutingActivityCosts activityCosts = new VehicleRoutingActivityCosts() { VehicleRoutingActivityCosts activityCosts = new VehicleRoutingActivityCosts(){
@Override @Override
public double getActivityCost(TourActivity tourAct, double arrivalTime, Driver driver, Vehicle vehicle) { public double getActivityCost(TourActivity tourAct, double arrivalTime,Driver driver, Vehicle vehicle) {
return 0; return 0;
} }
}; };
HardRouteConstraint hardRouteLevelConstraint = new HardRouteConstraint() { HardRouteConstraint hardRouteLevelConstraint = new HardRouteConstraint(){
@Override @Override
public boolean fulfilled(JobInsertionContext insertionContext) { public boolean fulfilled(JobInsertionContext insertionContext) {
return true; return true;
} }
}; };
ActivityInsertionCostsCalculator activityInsertionCostsCalculator; ActivityInsertionCostsCalculator activityInsertionCostsCalculator;
ShipmentInsertionCalculator insertionCalculator; ShipmentInsertionCalculator insertionCalculator;
Vehicle vehicle; Vehicle vehicle;
@Before @Before
public void doBefore() { public void doBefore(){
routingCosts = CostFactory.createManhattanCosts(); routingCosts = CostFactory.createManhattanCosts();
VehicleType type = VehicleTypeImpl.Builder.newInstance("t").addCapacityDimension(0, 2).setCostPerDistance(1).build(); VehicleType type = VehicleTypeImpl.Builder.newInstance("t").addCapacityDimension(0, 2).setCostPerDistance(1).build();
vehicle = VehicleImpl.Builder.newInstance("v").setStartLocation(Location.newInstance("0,0")).setType(type).build(); vehicle = VehicleImpl.Builder.newInstance("v").setStartLocation(Location.newInstance("0,0")).setType(type).build();
activityInsertionCostsCalculator = new LocalActivityInsertionCostsCalculator(routingCosts, activityCosts); activityInsertionCostsCalculator = new LocalActivityInsertionCostsCalculator(routingCosts, activityCosts, mock(StateManager.class));
createInsertionCalculator(hardRouteLevelConstraint); createInsertionCalculator(hardRouteLevelConstraint);
vehicleRoutingProblem = mock(VehicleRoutingProblem.class); vehicleRoutingProblem = mock(VehicleRoutingProblem.class);
} }
private void createInsertionCalculator(HardRouteConstraint hardRouteLevelConstraint) { private void createInsertionCalculator(HardRouteConstraint hardRouteLevelConstraint) {
ConstraintManager constraintManager = new ConstraintManager(mock(VehicleRoutingProblem.class), mock(RouteAndActivityStateGetter.class)); ConstraintManager constraintManager = new ConstraintManager(mock(VehicleRoutingProblem.class), mock(RouteAndActivityStateGetter.class));
constraintManager.addConstraint(hardRouteLevelConstraint); constraintManager.addConstraint(hardRouteLevelConstraint);
insertionCalculator = new ShipmentInsertionCalculator(routingCosts, activityInsertionCostsCalculator, constraintManager); insertionCalculator = new ShipmentInsertionCalculator(routingCosts, activityInsertionCostsCalculator, constraintManager);
} }
@Test @Test
public void whenCalculatingInsertionCostsOfShipment_itShouldReturnCorrectCostValue() { public void whenCalculatingInsertionCostsOfShipment_itShouldReturnCorrectCostValue(){
Shipment shipment = Shipment.Builder.newInstance("s").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("0,10").build()).setDeliveryLocation(Location.newInstance("10,0")).build(); Shipment shipment = Shipment.Builder.newInstance("s").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("0,10").build()).setDeliveryLocation(Location.newInstance("10,0")).build();
VehicleRoute route = VehicleRoute.emptyRoute(); VehicleRoute route = VehicleRoute.emptyRoute();
JobActivityFactory activityFactory = mock(JobActivityFactory.class); JobActivityFactory activityFactory = mock(JobActivityFactory.class);
List<AbstractActivity> activities = new ArrayList<AbstractActivity>(); List<AbstractActivity> activities = new ArrayList<AbstractActivity>();
activities.add(new PickupShipment(shipment)); activities.add(new PickupShipment(shipment));
activities.add(new DeliverShipment(shipment)); activities.add(new DeliverShipment(shipment));
when(activityFactory.createActivities(shipment)).thenReturn(activities); when(activityFactory.createActivities(shipment)).thenReturn(activities);
insertionCalculator.setJobActivityFactory(activityFactory); insertionCalculator.setJobActivityFactory(activityFactory);
InsertionData iData = insertionCalculator.getInsertionData(route, shipment, vehicle, 0.0, null, Double.MAX_VALUE); InsertionData iData = insertionCalculator.getInsertionData(route, shipment, vehicle, 0.0, null, Double.MAX_VALUE);
assertEquals(40.0, iData.getInsertionCost(), 0.05); assertEquals(40.0,iData.getInsertionCost(),0.05);
} }
@Test @Test
public void whenCalculatingInsertionIntoExistingRoute_itShouldReturnCorrectCosts() { public void whenCalculatingInsertionIntoExistingRoute_itShouldReturnCorrectCosts(){
Shipment shipment = Shipment.Builder.newInstance("s").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("0,10").build()).setDeliveryLocation(Location.newInstance("10,0")).build(); Shipment shipment = Shipment.Builder.newInstance("s").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("0,10").build()).setDeliveryLocation(Location.newInstance("10,0")).build();
Shipment shipment2 = Shipment.Builder.newInstance("s2").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("10,10").build()).setDeliveryLocation(Location.newInstance("0,0")).build(); Shipment shipment2 = Shipment.Builder.newInstance("s2").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("10,10").build()).setDeliveryLocation(Location.newInstance("0,0")).build();
VehicleRoute route = VehicleRoute.emptyRoute(); VehicleRoute route = VehicleRoute.emptyRoute();
when(vehicleRoutingProblem.copyAndGetActivities(shipment)).thenReturn(getTourActivities(shipment)); when(vehicleRoutingProblem.copyAndGetActivities(shipment)).thenReturn(getTourActivities(shipment));
new Inserter(new InsertionListeners(), vehicleRoutingProblem).insertJob(shipment, new InsertionData(0, 0, 0, vehicle, null), route); new Inserter(new InsertionListeners(), vehicleRoutingProblem).insertJob(shipment, new InsertionData(0,0,0,vehicle,null), route);
JobActivityFactory activityFactory = mock(JobActivityFactory.class); JobActivityFactory activityFactory = mock(JobActivityFactory.class);
List<AbstractActivity> activities = new ArrayList<AbstractActivity>(); List<AbstractActivity> activities = new ArrayList<AbstractActivity>();
@ -134,11 +134,11 @@ public class ShipmentInsertionCalculatorTest {
when(activityFactory.createActivities(shipment2)).thenReturn(activities); when(activityFactory.createActivities(shipment2)).thenReturn(activities);
insertionCalculator.setJobActivityFactory(activityFactory); insertionCalculator.setJobActivityFactory(activityFactory);
InsertionData iData = insertionCalculator.getInsertionData(route, shipment2, vehicle, 0.0, null, Double.MAX_VALUE); InsertionData iData = insertionCalculator.getInsertionData(route, shipment2, vehicle, 0.0, null, Double.MAX_VALUE);
assertEquals(0.0, iData.getInsertionCost(), 0.05); assertEquals(0.0,iData.getInsertionCost(),0.05);
assertEquals(1, iData.getPickupInsertionIndex()); assertEquals(1,iData.getPickupInsertionIndex());
assertEquals(2, iData.getDeliveryInsertionIndex()); assertEquals(2,iData.getDeliveryInsertionIndex());
} }
private List<AbstractActivity> getTourActivities(Shipment shipment) { private List<AbstractActivity> getTourActivities(Shipment shipment) {
List<AbstractActivity> acts = new ArrayList<AbstractActivity>(); List<AbstractActivity> acts = new ArrayList<AbstractActivity>();
@ -150,20 +150,20 @@ public class ShipmentInsertionCalculatorTest {
} }
@Test @Test
public void whenInsertingShipmentInRouteWithNotEnoughCapacity_itShouldReturnNoInsertion() { public void whenInsertingShipmentInRouteWithNotEnoughCapacity_itShouldReturnNoInsertion(){
Shipment shipment = Shipment.Builder.newInstance("s").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("0,10").build()).setDeliveryLocation(Location.newInstance("10,0")).build(); Shipment shipment = Shipment.Builder.newInstance("s").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("0,10").build()).setDeliveryLocation(Location.newInstance("10,0")).build();
Shipment shipment2 = Shipment.Builder.newInstance("s2").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("10,10").build()).setDeliveryLocation(Location.newInstance("0,0")).build(); Shipment shipment2 = Shipment.Builder.newInstance("s2").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("10,10").build()).setDeliveryLocation(Location.newInstance("0,0")).build();
VehicleRoute route = VehicleRoute.emptyRoute(); VehicleRoute route = VehicleRoute.emptyRoute();
when(vehicleRoutingProblem.copyAndGetActivities(shipment)).thenReturn(getTourActivities(shipment)); when(vehicleRoutingProblem.copyAndGetActivities(shipment)).thenReturn(getTourActivities(shipment));
new Inserter(new InsertionListeners(), vehicleRoutingProblem).insertJob(shipment, new InsertionData(0, 0, 0, vehicle, null), route); new Inserter(new InsertionListeners(), vehicleRoutingProblem).insertJob(shipment, new InsertionData(0,0,0,vehicle,null), route);
createInsertionCalculator(new HardRouteConstraint() { createInsertionCalculator(new HardRouteConstraint() {
@Override @Override
public boolean fulfilled(JobInsertionContext insertionContext) { public boolean fulfilled(JobInsertionContext insertionContext) {
return false; return false;
} }
}); });
JobActivityFactory activityFactory = mock(JobActivityFactory.class); JobActivityFactory activityFactory = mock(JobActivityFactory.class);
List<AbstractActivity> activities = new ArrayList<AbstractActivity>(); List<AbstractActivity> activities = new ArrayList<AbstractActivity>();
@ -173,23 +173,23 @@ public class ShipmentInsertionCalculatorTest {
insertionCalculator.setJobActivityFactory(activityFactory); insertionCalculator.setJobActivityFactory(activityFactory);
InsertionData iData = insertionCalculator.getInsertionData(route, shipment2, vehicle, 0.0, null, Double.MAX_VALUE); InsertionData iData = insertionCalculator.getInsertionData(route, shipment2, vehicle, 0.0, null, Double.MAX_VALUE);
assertEquals(InsertionData.createEmptyInsertionData(), iData); assertEquals(InsertionData.createEmptyInsertionData(),iData);
} }
@Test @Test
public void whenInsertingThirdShipment_itShouldCalcCorrectVal() { public void whenInsertingThirdShipment_itShouldCalcCorrectVal(){
Shipment shipment = Shipment.Builder.newInstance("s").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("0,10").build()).setDeliveryLocation(Location.newInstance("10,0")).build(); Shipment shipment = Shipment.Builder.newInstance("s").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("0,10").build()).setDeliveryLocation(Location.newInstance("10,0")).build();
Shipment shipment2 = Shipment.Builder.newInstance("s2").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("10,10").build()).setDeliveryLocation(Location.newInstance("0,0")).build(); Shipment shipment2 = Shipment.Builder.newInstance("s2").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("10,10").build()).setDeliveryLocation(Location.newInstance("0,0")).build();
Shipment shipment3 = Shipment.Builder.newInstance("s3").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("0,0").build()).setDeliveryLocation(Location.newInstance("9,10")).build(); Shipment shipment3 = Shipment.Builder.newInstance("s3").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("0,0").build()).setDeliveryLocation(Location.newInstance("9,10")).build();
VehicleRoute route = VehicleRoute.emptyRoute(); VehicleRoute route = VehicleRoute.emptyRoute();
when(vehicleRoutingProblem.copyAndGetActivities(shipment)).thenReturn(getTourActivities(shipment)); when(vehicleRoutingProblem.copyAndGetActivities(shipment)).thenReturn(getTourActivities(shipment));
when(vehicleRoutingProblem.copyAndGetActivities(shipment2)).thenReturn(getTourActivities(shipment2)); when(vehicleRoutingProblem.copyAndGetActivities(shipment2)).thenReturn(getTourActivities(shipment2));
Inserter inserter = new Inserter(new InsertionListeners(), vehicleRoutingProblem); Inserter inserter = new Inserter(new InsertionListeners(),vehicleRoutingProblem );
inserter.insertJob(shipment, new InsertionData(0, 0, 0, vehicle, null), route); inserter.insertJob(shipment, new InsertionData(0,0,0,vehicle,null), route);
inserter.insertJob(shipment2, new InsertionData(0, 1, 2, vehicle, null), route); inserter.insertJob(shipment2, new InsertionData(0,1,2,vehicle,null),route);
JobActivityFactory activityFactory = mock(JobActivityFactory.class); JobActivityFactory activityFactory = mock(JobActivityFactory.class);
List<AbstractActivity> activities = new ArrayList<AbstractActivity>(); List<AbstractActivity> activities = new ArrayList<AbstractActivity>();
@ -198,23 +198,23 @@ public class ShipmentInsertionCalculatorTest {
when(activityFactory.createActivities(shipment3)).thenReturn(activities); when(activityFactory.createActivities(shipment3)).thenReturn(activities);
insertionCalculator.setJobActivityFactory(activityFactory); insertionCalculator.setJobActivityFactory(activityFactory);
InsertionData iData = insertionCalculator.getInsertionData(route, shipment3, vehicle, 0.0, null, Double.MAX_VALUE); InsertionData iData = insertionCalculator.getInsertionData(route, shipment3, vehicle, 0.0, null, Double.MAX_VALUE);
assertEquals(0.0, iData.getInsertionCost(), 0.05); assertEquals(0.0,iData.getInsertionCost(),0.05);
assertEquals(0, iData.getPickupInsertionIndex()); assertEquals(0,iData.getPickupInsertionIndex());
assertEquals(1, iData.getDeliveryInsertionIndex()); assertEquals(1,iData.getDeliveryInsertionIndex());
} }
@Test @Test
public void whenInsertingThirdShipment_itShouldCalcCorrectVal2() { public void whenInsertingThirdShipment_itShouldCalcCorrectVal2(){
Shipment shipment = Shipment.Builder.newInstance("s").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("0,10").build()).setDeliveryLocation(Location.newInstance("10,0")).build(); Shipment shipment = Shipment.Builder.newInstance("s").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("0,10").build()).setDeliveryLocation(Location.newInstance("10,0")).build();
Shipment shipment2 = Shipment.Builder.newInstance("s2").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("10,10").build()).setDeliveryLocation(Location.newInstance("0,0")).build(); Shipment shipment2 = Shipment.Builder.newInstance("s2").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("10,10").build()).setDeliveryLocation(Location.newInstance("0,0")).build();
Shipment shipment3 = Shipment.Builder.newInstance("s3").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("0,0").build()).setDeliveryLocation(Location.newInstance("9,9")).build(); Shipment shipment3 = Shipment.Builder.newInstance("s3").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("0,0").build()).setDeliveryLocation(Location.newInstance("9,9")).build();
when(vehicleRoutingProblem.copyAndGetActivities(shipment)).thenReturn(getTourActivities(shipment)); when(vehicleRoutingProblem.copyAndGetActivities(shipment)).thenReturn(getTourActivities(shipment));
when(vehicleRoutingProblem.copyAndGetActivities(shipment2)).thenReturn(getTourActivities(shipment2)); when(vehicleRoutingProblem.copyAndGetActivities(shipment2)).thenReturn(getTourActivities(shipment2));
VehicleRoute route = VehicleRoute.emptyRoute(); VehicleRoute route = VehicleRoute.emptyRoute();
Inserter inserter = new Inserter(new InsertionListeners(), vehicleRoutingProblem); Inserter inserter = new Inserter(new InsertionListeners(), vehicleRoutingProblem);
inserter.insertJob(shipment, new InsertionData(0, 0, 0, vehicle, null), route); inserter.insertJob(shipment, new InsertionData(0,0,0,vehicle,null), route);
inserter.insertJob(shipment2, new InsertionData(0, 1, 2, vehicle, null), route); inserter.insertJob(shipment2, new InsertionData(0,1,2,vehicle,null),route);
JobActivityFactory activityFactory = mock(JobActivityFactory.class); JobActivityFactory activityFactory = mock(JobActivityFactory.class);
List<AbstractActivity> activities = new ArrayList<AbstractActivity>(); List<AbstractActivity> activities = new ArrayList<AbstractActivity>();
@ -225,78 +225,78 @@ public class ShipmentInsertionCalculatorTest {
InsertionData iData = insertionCalculator.getInsertionData(route, shipment3, vehicle, 0.0, null, Double.MAX_VALUE); InsertionData iData = insertionCalculator.getInsertionData(route, shipment3, vehicle, 0.0, null, Double.MAX_VALUE);
assertEquals(2.0, iData.getInsertionCost(), 0.05); assertEquals(2.0,iData.getInsertionCost(),0.05);
assertEquals(0, iData.getPickupInsertionIndex()); assertEquals(0,iData.getPickupInsertionIndex());
assertEquals(1, iData.getDeliveryInsertionIndex()); assertEquals(1,iData.getDeliveryInsertionIndex());
} }
@Test @Test
public void whenInstertingShipmentWithLoadConstraintWhereCapIsNotSufficient_capConstraintsAreFulfilled() { public void whenInstertingShipmentWithLoadConstraintWhereCapIsNotSufficient_capConstraintsAreFulfilled(){
Shipment shipment = Shipment.Builder.newInstance("s").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("0,10").build()).setDeliveryLocation(Location.newInstance("10,0")).build(); Shipment shipment = Shipment.Builder.newInstance("s").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("0,10").build()).setDeliveryLocation(Location.newInstance("10,0")).build();
Shipment shipment2 = Shipment.Builder.newInstance("s2").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("10,10").build()).setDeliveryLocation(Location.newInstance("0,0")).build(); Shipment shipment2 = Shipment.Builder.newInstance("s2").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("10,10").build()).setDeliveryLocation(Location.newInstance("0,0")).build();
Shipment shipment3 = Shipment.Builder.newInstance("s3").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("0,0").build()).setDeliveryLocation(Location.newInstance("9,9")).build(); Shipment shipment3 = Shipment.Builder.newInstance("s3").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("0,0").build()).setDeliveryLocation(Location.newInstance("9,9")).build();
VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance(); VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance();
VehicleRoutingProblem vrp = vrpBuilder.addJob(shipment).addJob(shipment2).addJob(shipment3).build(); VehicleRoutingProblem vrp = vrpBuilder.addJob(shipment).addJob(shipment2).addJob(shipment3).build();
VehicleRoute route = VehicleRoute.emptyRoute(); VehicleRoute route = VehicleRoute.emptyRoute();
route.setVehicleAndDepartureTime(vehicle, 0.0); route.setVehicleAndDepartureTime(vehicle, 0.0);
Inserter inserter = new Inserter(new InsertionListeners(), vrp); Inserter inserter = new Inserter(new InsertionListeners(), vrp);
inserter.insertJob(shipment, new InsertionData(0, 0, 0, vehicle, null), route); inserter.insertJob(shipment, new InsertionData(0,0,0,vehicle,null), route);
inserter.insertJob(shipment2, new InsertionData(0, 1, 2, vehicle, null), route); inserter.insertJob(shipment2, new InsertionData(0,1,2,vehicle,null), route);
StateManager stateManager = new StateManager(vrp); StateManager stateManager = new StateManager(vrp);
stateManager.updateLoadStates(); stateManager.updateLoadStates();
stateManager.informInsertionStarts(Arrays.asList(route), null); stateManager.informInsertionStarts(Arrays.asList(route), null);
ConstraintManager constraintManager = new ConstraintManager(vrp, stateManager); ConstraintManager constraintManager = new ConstraintManager(vrp,stateManager);
constraintManager.addConstraint(new PickupAndDeliverShipmentLoadActivityLevelConstraint(stateManager), Priority.CRITICAL); constraintManager.addConstraint(new PickupAndDeliverShipmentLoadActivityLevelConstraint(stateManager),Priority.CRITICAL);
constraintManager.addConstraint(new ShipmentPickupsFirstConstraint(), Priority.CRITICAL); constraintManager.addConstraint(new ShipmentPickupsFirstConstraint(),Priority.CRITICAL);
ShipmentInsertionCalculator insertionCalculator = new ShipmentInsertionCalculator(routingCosts, activityInsertionCostsCalculator, ShipmentInsertionCalculator insertionCalculator = new ShipmentInsertionCalculator(routingCosts, activityInsertionCostsCalculator,
constraintManager); constraintManager);
insertionCalculator.setJobActivityFactory(vrp.getJobActivityFactory()); insertionCalculator.setJobActivityFactory(vrp.getJobActivityFactory());
InsertionData iData = insertionCalculator.getInsertionData(route, shipment3, vehicle, 0.0, DriverImpl.noDriver(), Double.MAX_VALUE); InsertionData iData = insertionCalculator.getInsertionData(route, shipment3, vehicle, 0.0, DriverImpl.noDriver(), Double.MAX_VALUE);
assertTrue(iData instanceof InsertionData.NoInsertionFound); assertTrue(iData instanceof InsertionData.NoInsertionFound);
} }
@Test @Test
public void whenInsertingServiceWhileNoCapIsAvailable_itMustReturnNoInsertionData() { public void whenInsertingServiceWhileNoCapIsAvailable_itMustReturnNoInsertionData(){
Shipment shipment = Shipment.Builder.newInstance("s").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("0,10").build()).setDeliveryLocation(Location.newInstance("0,0")).build(); Shipment shipment = Shipment.Builder.newInstance("s").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("0,10").build()).setDeliveryLocation(Location.newInstance("0,0")).build();
Shipment shipment2 = Shipment.Builder.newInstance("s2").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("10,10").build()).setDeliveryLocation(Location.newInstance("0,0")).build(); Shipment shipment2 = Shipment.Builder.newInstance("s2").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("10,10").build()).setDeliveryLocation(Location.newInstance("0,0")).build();
VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance(); VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance();
VehicleRoutingProblem vrp = vrpBuilder.addJob(shipment).addJob(shipment2).build(); VehicleRoutingProblem vrp = vrpBuilder.addJob(shipment).addJob(shipment2).build();
VehicleRoute route = VehicleRoute.emptyRoute(); VehicleRoute route = VehicleRoute.emptyRoute();
route.setVehicleAndDepartureTime(vehicle, 0.0); route.setVehicleAndDepartureTime(vehicle, 0.0);
Inserter inserter = new Inserter(new InsertionListeners(), vrp); Inserter inserter = new Inserter(new InsertionListeners(), vrp);
inserter.insertJob(shipment, new InsertionData(0, 0, 0, vehicle, null), route); inserter.insertJob(shipment, new InsertionData(0,0,0,vehicle,null), route);
inserter.insertJob(shipment2, new InsertionData(0, 1, 2, vehicle, null), route); inserter.insertJob(shipment2, new InsertionData(0,1,2,vehicle,null), route);
StateManager stateManager = new StateManager(vrp); StateManager stateManager = new StateManager(vrp);
stateManager.updateLoadStates(); stateManager.updateLoadStates();
stateManager.informInsertionStarts(Arrays.asList(route), null); stateManager.informInsertionStarts(Arrays.asList(route), null);
ConstraintManager constraintManager = new ConstraintManager(vrp, stateManager); ConstraintManager constraintManager = new ConstraintManager(vrp,stateManager);
constraintManager.addLoadConstraint(); constraintManager.addLoadConstraint();
stateManager.informInsertionStarts(Arrays.asList(route), null); stateManager.informInsertionStarts(Arrays.asList(route), null);
JobCalculatorSwitcher switcher = new JobCalculatorSwitcher(); JobCalculatorSwitcher switcher = new JobCalculatorSwitcher();
ServiceInsertionCalculator serviceInsertionCalc = new ServiceInsertionCalculator(routingCosts, activityInsertionCostsCalculator, constraintManager); ServiceInsertionCalculator serviceInsertionCalc = new ServiceInsertionCalculator(routingCosts, activityInsertionCostsCalculator, constraintManager);
ShipmentInsertionCalculator insertionCalculator = new ShipmentInsertionCalculator(routingCosts, activityInsertionCostsCalculator, constraintManager); ShipmentInsertionCalculator insertionCalculator = new ShipmentInsertionCalculator(routingCosts, activityInsertionCostsCalculator, constraintManager);
switcher.put(Pickup.class, serviceInsertionCalc); switcher.put(Pickup.class, serviceInsertionCalc);
switcher.put(Service.class, serviceInsertionCalc); switcher.put(Service.class, serviceInsertionCalc);
switcher.put(Shipment.class, insertionCalculator); switcher.put(Shipment.class, insertionCalculator);
// Service service = Service.Builder.newInstance("pick", 1).setLocationId("5,5").build(); // Service service = Service.Builder.newInstance("pick", 1).setLocationId("5,5").build();
Pickup service = (Pickup) Pickup.Builder.newInstance("pick").addSizeDimension(0, 1).setLocation(Location.newInstance("5,5")).build(); Pickup service = (Pickup)Pickup.Builder.newInstance("pick").addSizeDimension(0, 1).setLocation(Location.newInstance("5,5")).build();
JobActivityFactory activityFactory = mock(JobActivityFactory.class); JobActivityFactory activityFactory = mock(JobActivityFactory.class);
List<AbstractActivity> activities = new ArrayList<AbstractActivity>(); List<AbstractActivity> activities = new ArrayList<AbstractActivity>();
@ -308,8 +308,8 @@ public class ShipmentInsertionCalculatorTest {
InsertionData iData = switcher.getInsertionData(route, service, vehicle, 0, DriverImpl.noDriver(), Double.MAX_VALUE); InsertionData iData = switcher.getInsertionData(route, service, vehicle, 0, DriverImpl.noDriver(), Double.MAX_VALUE);
// routeActVisitor.visit(route); // routeActVisitor.visit(route);
assertEquals(3, iData.getDeliveryInsertionIndex()); assertEquals(3, iData.getDeliveryInsertionIndex());
} }
} }

292
jsprit-core/src/test/java/jsprit/core/algorithm/recreate/TestCalculatesServiceInsertion.java
View file

@ -50,207 +50,209 @@ import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.mock; import static org.mockito.Mockito.mock;
public class TestCalculatesServiceInsertion { public class TestCalculatesServiceInsertion {
ServiceInsertionCalculator serviceInsertion; ServiceInsertionCalculator serviceInsertion;
VehicleRoutingTransportCosts costs; VehicleRoutingTransportCosts costs;
VehicleImpl vehicle; VehicleImpl vehicle;
VehicleImpl newVehicle; VehicleImpl newVehicle;
private Service first; private Service first;
private Service third; private Service third;
private Service second; private Service second;
private StateManager states; private StateManager states;
private NoDriver driver; private NoDriver driver;
private VehicleRoutingProblem vrp; private VehicleRoutingProblem vrp;
@Before @Before
public void setup() { public void setup(){
VehicleType t1 = VehicleTypeImpl.Builder.newInstance("t1").addCapacityDimension(0, 1000).setCostPerDistance(1.0).build(); VehicleType t1 = VehicleTypeImpl.Builder.newInstance("t1").addCapacityDimension(0, 1000).setCostPerDistance(1.0).build();
vehicle = VehicleImpl.Builder.newInstance("vehicle").setLatestArrival(100.0).setStartLocation(Location.newInstance("0,0")).setType(t1).build(); vehicle = VehicleImpl.Builder.newInstance("vehicle").setLatestArrival(100.0).setStartLocation(Location.newInstance("0,0")).setType(t1).build();
VehicleType t2 = VehicleTypeImpl.Builder.newInstance("t2").addCapacityDimension(0, 1000).setCostPerDistance(2.0).build(); VehicleType t2 = VehicleTypeImpl.Builder.newInstance("t2").addCapacityDimension(0, 1000).setCostPerDistance(2.0).build();
newVehicle = VehicleImpl.Builder.newInstance("newVehicle").setLatestArrival(100.0).setStartLocation(Location.newInstance("0,0")).setType(t2).build(); newVehicle = VehicleImpl.Builder.newInstance("newVehicle").setLatestArrival(100.0).setStartLocation(Location.newInstance("0,0")).setType(t2).build();
driver = DriverImpl.noDriver(); driver = DriverImpl.noDriver();
final Locations locations = new Locations() { final Locations locations = new Locations(){
@Override @Override
public Coordinate getCoord(String id) { public Coordinate getCoord(String id) {
//assume: locationId="x,y" //assume: locationId="x,y"
String[] splitted = id.split(","); String[] splitted = id.split(",");
return Coordinate.newInstance(Double.parseDouble(splitted[0]), return Coordinate.newInstance(Double.parseDouble(splitted[0]),
Double.parseDouble(splitted[1])); Double.parseDouble(splitted[1]));
} }
}; };
costs = new AbstractForwardVehicleRoutingTransportCosts() { costs = new AbstractForwardVehicleRoutingTransportCosts() {
@Override @Override
public double getTransportTime(Location from, Location to, double departureTime, Driver driver, Vehicle vehicle) { public double getTransportTime(Location from, Location to,double departureTime, Driver driver, Vehicle vehicle) {
return ManhattanDistanceCalculator.calculateDistance(locations.getCoord(from.getId()), locations.getCoord(to.getId())); return ManhattanDistanceCalculator.calculateDistance(locations.getCoord(from.getId()), locations.getCoord(to.getId()));
} }
@Override @Override
public double getTransportCost(Location from, Location to, double departureTime, Driver driver, Vehicle vehicle) { public double getTransportCost(Location from, Location to, double departureTime, Driver driver, Vehicle vehicle) {
return vehicle.getType().getVehicleCostParams().perDistanceUnit * ManhattanDistanceCalculator.calculateDistance(locations.getCoord(from.getId()), locations.getCoord(to.getId())); return vehicle.getType().getVehicleCostParams().perDistanceUnit*ManhattanDistanceCalculator.calculateDistance(locations.getCoord(from.getId()), locations.getCoord(to.getId()));
} }
}; };
first = Service.Builder.newInstance("1").addSizeDimension(0, 0).setLocation(Location.newInstance("0,10")).setTimeWindow(TimeWindow.newInstance(0.0, 100.0)).build(); first = Service.Builder.newInstance("1").addSizeDimension(0, 0).setLocation(Location.newInstance("0,10")).setTimeWindow(TimeWindow.newInstance(0.0, 100.0)).build();
second = Service.Builder.newInstance("2").addSizeDimension(0, 0).setLocation(Location.newInstance("10,10")).setTimeWindow(TimeWindow.newInstance(0.0, 100.0)).build(); second = Service.Builder.newInstance("2").addSizeDimension(0, 0).setLocation(Location.newInstance("10,10")).setTimeWindow(TimeWindow.newInstance(0.0, 100.0)).build();
third = Service.Builder.newInstance("3").addSizeDimension(0, 0).setLocation(Location.newInstance("10,0")).setTimeWindow(TimeWindow.newInstance(0.0, 100.0)).build(); third = Service.Builder.newInstance("3").addSizeDimension(0, 0).setLocation(Location.newInstance("10,0")).setTimeWindow(TimeWindow.newInstance(0.0, 100.0)).build();
Collection<Job> jobs = new ArrayList<Job>(); Collection<Job> jobs = new ArrayList<Job>();
jobs.add(first); jobs.add(first);
jobs.add(third); jobs.add(third);
jobs.add(second); jobs.add(second);
vrp = VehicleRoutingProblem.Builder.newInstance().addAllJobs(jobs) vrp = VehicleRoutingProblem.Builder.newInstance().addAllJobs(jobs)
.addVehicle(vehicle).setRoutingCost(costs).build(); .addVehicle(vehicle).setRoutingCost(costs).build();
states = new StateManager(vrp); states = new StateManager(vrp);
states.updateLoadStates(); states.updateLoadStates();
states.updateTimeWindowStates(); states.updateTimeWindowStates();
ConstraintManager cManager = new ConstraintManager(vrp, states); ConstraintManager cManager = new ConstraintManager(vrp,states);
cManager.addLoadConstraint(); cManager.addLoadConstraint();
cManager.addTimeWindowConstraint(); cManager.addTimeWindowConstraint();
VehicleRoutingActivityCosts actCosts = mock(VehicleRoutingActivityCosts.class); VehicleRoutingActivityCosts actCosts = mock(VehicleRoutingActivityCosts.class);
serviceInsertion = new ServiceInsertionCalculator(costs, new LocalActivityInsertionCostsCalculator(costs, actCosts), cManager); serviceInsertion = new ServiceInsertionCalculator(costs, new LocalActivityInsertionCostsCalculator(costs, actCosts), cManager);
serviceInsertion.setJobActivityFactory(new JobActivityFactory() { serviceInsertion.setJobActivityFactory(new JobActivityFactory() {
@Override @Override
public List<AbstractActivity> createActivities(Job job) { public List<AbstractActivity> createActivities(Job job) {
return vrp.copyAndGetActivities(job); return vrp.copyAndGetActivities(job);
} }
}); });
} }
@Test @Test
public void whenInsertingTheFirstJobInAnEmptyTourWithVehicle_itCalculatesMarginalCostChanges() { public void whenInsertingTheFirstJobInAnEmptyTourWithVehicle_itCalculatesMarginalCostChanges(){
VehicleRoute route = VehicleRoute.Builder.newInstance(vehicle, driver).build(); VehicleRoute route = VehicleRoute.Builder.newInstance(vehicle, driver).build();
states.informInsertionStarts(Arrays.asList(route), null); states.informInsertionStarts(Arrays.asList(route), null);
InsertionData iData = serviceInsertion.getInsertionData(route, first, vehicle, vehicle.getEarliestDeparture(), null, Double.MAX_VALUE); InsertionData iData = serviceInsertion.getInsertionData(route, first, vehicle, vehicle.getEarliestDeparture(), null, Double.MAX_VALUE);
assertEquals(20.0, iData.getInsertionCost(), 0.2); assertEquals(20.0, iData.getInsertionCost(), 0.2);
assertEquals(0, iData.getDeliveryInsertionIndex()); assertEquals(0, iData.getDeliveryInsertionIndex());
} }
@Test @Test
public void whenInsertingTheSecondJobInAnNonEmptyTourWithVehicle_itCalculatesMarginalCostChanges() { public void whenInsertingTheSecondJobInAnNonEmptyTourWithVehicle_itCalculatesMarginalCostChanges(){
VehicleRoute route = VehicleRoute.Builder.newInstance(vehicle, driver).setJobActivityFactory(vrp.getJobActivityFactory()).addService(first).build(); VehicleRoute route = VehicleRoute.Builder.newInstance(vehicle, driver).setJobActivityFactory(vrp.getJobActivityFactory()).addService(first).build();
states.informInsertionStarts(Arrays.asList(route), null); states.informInsertionStarts(Arrays.asList(route), null);
InsertionData iData = serviceInsertion.getInsertionData(route, third, vehicle, vehicle.getEarliestDeparture(), null, Double.MAX_VALUE); InsertionData iData = serviceInsertion.getInsertionData(route, third, vehicle, vehicle.getEarliestDeparture(), null, Double.MAX_VALUE);
assertEquals(20.0, iData.getInsertionCost(), 0.2); assertEquals(20.0, iData.getInsertionCost(), 0.2);
assertEquals(0, iData.getDeliveryInsertionIndex()); assertEquals(0, iData.getDeliveryInsertionIndex());
} }
@Test @Test
public void whenInsertingThirdJobWithVehicle_itCalculatesMarginalCostChanges() { public void whenInsertingThirdJobWithVehicle_itCalculatesMarginalCostChanges(){
VehicleRoute route = VehicleRoute.Builder.newInstance(vehicle, driver).setJobActivityFactory(vrp.getJobActivityFactory()).addService(first).addService(third).build(); VehicleRoute route = VehicleRoute.Builder.newInstance(vehicle, driver).setJobActivityFactory(vrp.getJobActivityFactory()).addService(first).addService(third).build();
states.informInsertionStarts(Arrays.asList(route), null); states.informInsertionStarts(Arrays.asList(route), null);
InsertionData iData = serviceInsertion.getInsertionData(route, second, vehicle, vehicle.getEarliestDeparture(), null, Double.MAX_VALUE); InsertionData iData = serviceInsertion.getInsertionData(route, second, vehicle, vehicle.getEarliestDeparture(), null, Double.MAX_VALUE);
assertEquals(0.0, iData.getInsertionCost(), 0.2); assertEquals(0.0, iData.getInsertionCost(), 0.2);
assertEquals(1, iData.getDeliveryInsertionIndex()); assertEquals(1, iData.getDeliveryInsertionIndex());
} }
@Test @Test
public void whenInsertingThirdJobWithNewVehicle_itCalculatesMarginalCostChanges() { public void whenInsertingThirdJobWithNewVehicle_itCalculatesMarginalCostChanges(){
VehicleRoute route = VehicleRoute.Builder.newInstance(vehicle, driver).setJobActivityFactory(vrp.getJobActivityFactory()).addService(first).addService(third).build(); VehicleRoute route = VehicleRoute.Builder.newInstance(vehicle, driver).setJobActivityFactory(vrp.getJobActivityFactory()).addService(first).addService(third).build();
states.informInsertionStarts(Arrays.asList(route), null); states.informInsertionStarts(Arrays.asList(route), null);
InsertionData iData = serviceInsertion.getInsertionData(route, second, newVehicle, newVehicle.getEarliestDeparture(), null, Double.MAX_VALUE); InsertionData iData = serviceInsertion.getInsertionData(route, second, newVehicle, newVehicle.getEarliestDeparture(), null, Double.MAX_VALUE);
assertEquals(40.0, iData.getInsertionCost(), 0.2); assertEquals(40.0, iData.getInsertionCost(), 0.2);
assertEquals(1, iData.getDeliveryInsertionIndex()); assertEquals(1, iData.getDeliveryInsertionIndex());
} }
@Test @Test
public void whenInsertingASecondJobWithAVehicle_itCalculatesLocalMarginalCostChanges() { public void whenInsertingASecondJobWithAVehicle_itCalculatesLocalMarginalCostChanges(){
VehicleRoute route = VehicleRoute.Builder.newInstance(vehicle, driver).setJobActivityFactory(vrp.getJobActivityFactory()).addService(first).addService(second).build(); VehicleRoute route = VehicleRoute.Builder.newInstance(vehicle, driver).setJobActivityFactory(vrp.getJobActivityFactory()).addService(first).addService(second).build();
states.informInsertionStarts(Arrays.asList(route), null); states.informInsertionStarts(Arrays.asList(route), null);
InsertionData iData = serviceInsertion.getInsertionData(route, third, vehicle, vehicle.getEarliestDeparture(), null, Double.MAX_VALUE); InsertionData iData = serviceInsertion.getInsertionData(route, third, vehicle, vehicle.getEarliestDeparture(), null, Double.MAX_VALUE);
assertEquals(0.0, iData.getInsertionCost(), 0.2); assertEquals(0.0, iData.getInsertionCost(), 0.2);
assertEquals(2, iData.getDeliveryInsertionIndex()); assertEquals(2, iData.getDeliveryInsertionIndex());
} }
@Test @Test
public void whenInsertingASecondJobWithANewVehicle_itCalculatesLocalMarginalCostChanges() { public void whenInsertingASecondJobWithANewVehicle_itCalculatesLocalMarginalCostChanges(){
VehicleRoute route = VehicleRoute.Builder.newInstance(vehicle, driver).setJobActivityFactory(vrp.getJobActivityFactory()).addService(first).addService(second).build(); VehicleRoute route = VehicleRoute.Builder.newInstance(vehicle, driver).setJobActivityFactory(vrp.getJobActivityFactory()).addService(first).addService(second).build();
states.informInsertionStarts(Arrays.asList(route), null); states.informInsertionStarts(Arrays.asList(route), null);
InsertionData iData = serviceInsertion.getInsertionData(route, third, newVehicle, newVehicle.getEarliestDeparture(), null, Double.MAX_VALUE); InsertionData iData = serviceInsertion.getInsertionData(route, third, newVehicle, newVehicle.getEarliestDeparture(), null, Double.MAX_VALUE);
assertEquals(50.0, iData.getInsertionCost(), 0.2); assertEquals(50.0, iData.getInsertionCost(), 0.2);
assertEquals(2, iData.getDeliveryInsertionIndex()); assertEquals(2, iData.getDeliveryInsertionIndex());
} }
@Test @Test
public void whenInsertingJobAndCurrRouteIsEmpty_accessEggressCalcShouldReturnZero() { public void whenInsertingJobAndCurrRouteIsEmpty_accessEggressCalcShouldReturnZero(){
VehicleRoute route = VehicleRoute.Builder.newInstance(VehicleImpl.createNoVehicle(), DriverImpl.noDriver()).build(); VehicleRoute route = VehicleRoute.Builder.newInstance(VehicleImpl.createNoVehicle(), DriverImpl.noDriver()).build();
AdditionalAccessEgressCalculator accessEgressCalc = new AdditionalAccessEgressCalculator(costs); AdditionalAccessEgressCalculator accessEgressCalc = new AdditionalAccessEgressCalculator(costs);
Job job = Service.Builder.newInstance("1").addSizeDimension(0, 0).setLocation(Location.newInstance("1")).setTimeWindow(TimeWindow.newInstance(0.0, 100.0)).build(); Job job = Service.Builder.newInstance("1").addSizeDimension(0, 0).setLocation(Location.newInstance("1")).setTimeWindow(TimeWindow.newInstance(0.0, 100.0)).build();
JobInsertionContext iContex = new JobInsertionContext(route, job, newVehicle, mock(Driver.class), 0.0); JobInsertionContext iContex = new JobInsertionContext(route, job, newVehicle, mock(Driver.class), 0.0);
assertEquals(0.0, accessEgressCalc.getCosts(iContex), 0.01); assertEquals(0.0, accessEgressCalc.getCosts(iContex),0.01);
} }
@Test @Test
public void whenInsertingJobAndCurrRouteAndVehicleHaveTheSameLocation_accessEggressCalcShouldReturnZero() { public void whenInsertingJobAndCurrRouteAndVehicleHaveTheSameLocation_accessEggressCalcShouldReturnZero(){
VehicleRoute route = VehicleRoute.Builder.newInstance(newVehicle, DriverImpl.noDriver()) VehicleRoute route = VehicleRoute.Builder.newInstance(newVehicle, DriverImpl.noDriver())
.addService(first) .addService(first)
.build(); .build();
AdditionalAccessEgressCalculator accessEgressCalc = new AdditionalAccessEgressCalculator(costs); AdditionalAccessEgressCalculator accessEgressCalc = new AdditionalAccessEgressCalculator(costs);
JobInsertionContext iContex = new JobInsertionContext(route, first, newVehicle, mock(Driver.class), 0.0); JobInsertionContext iContex = new JobInsertionContext(route, first, newVehicle, mock(Driver.class), 0.0);
assertEquals(0.0, accessEgressCalc.getCosts(iContex), 0.01); assertEquals(0.0, accessEgressCalc.getCosts(iContex),0.01);
} }
@Test @Test
public void whenInsertingJobAndCurrRouteAndNewVehicleHaveDifferentLocations_accessEggressCostsMustBeCorrect() { public void whenInsertingJobAndCurrRouteAndNewVehicleHaveDifferentLocations_accessEggressCostsMustBeCorrect(){
final Map<String, Coordinate> coords = new HashMap<String, Coordinate>(); final Map<String,Coordinate> coords = new HashMap<String, Coordinate>();
coords.put("oldV", Coordinate.newInstance(1, 0)); coords.put("oldV", Coordinate.newInstance(1, 0));
coords.put("newV", Coordinate.newInstance(5, 0)); coords.put("newV", Coordinate.newInstance(5, 0));
coords.put("service", Coordinate.newInstance(0, 0)); coords.put("service", Coordinate.newInstance(0, 0));
AbstractForwardVehicleRoutingTransportCosts routingCosts = new AbstractForwardVehicleRoutingTransportCosts() { AbstractForwardVehicleRoutingTransportCosts routingCosts = new AbstractForwardVehicleRoutingTransportCosts() {
@Override @Override
public double getTransportTime(Location from, Location to, double departureTime, Driver driver, Vehicle vehicle) { public double getTransportTime(Location from, Location to,double departureTime, Driver driver, Vehicle vehicle) {
return getTransportCost(from, to, departureTime, driver, vehicle); return getTransportCost(from, to, departureTime, driver, vehicle);
} }
@Override @Override
public double getTransportCost(Location from, Location to, double departureTime, Driver driver, Vehicle vehicle) { public double getTransportCost(Location from, Location to,double departureTime, Driver driver, Vehicle vehicle) {
return EuclideanDistanceCalculator.calculateDistance(coords.get(from.getId()), coords.get(to.getId())); return EuclideanDistanceCalculator.calculateDistance(coords.get(from.getId()), coords.get(to.getId()));
} }
}; };
Vehicle oldVehicle = VehicleImpl.Builder.newInstance("oldV").setStartLocation(Location.newInstance("oldV")).build(); Vehicle oldVehicle = VehicleImpl.Builder.newInstance("oldV").setStartLocation(Location.newInstance("oldV")).build();
VehicleRoute route = VehicleRoute.Builder.newInstance(oldVehicle, DriverImpl.noDriver()) VehicleRoute route = VehicleRoute.Builder.newInstance(oldVehicle, DriverImpl.noDriver())
.addService(Service.Builder.newInstance("service").addSizeDimension(0, 0).setLocation(Location.newInstance("service")).build()) .addService(Service.Builder.newInstance("service").addSizeDimension(0, 0).setLocation(Location.newInstance("service")).build())
.build(); .build();
Vehicle newVehicle = VehicleImpl.Builder.newInstance("newV").setStartLocation(Location.newInstance("newV")).build(); Vehicle newVehicle = VehicleImpl.Builder.newInstance("newV").setStartLocation(Location.newInstance("newV")).build();
AdditionalAccessEgressCalculator accessEgressCalc = new AdditionalAccessEgressCalculator(routingCosts); AdditionalAccessEgressCalculator accessEgressCalc = new AdditionalAccessEgressCalculator(routingCosts);
Job job = Service.Builder.newInstance("service2").addSizeDimension(0, 0).setLocation(Location.newInstance("service")).build(); Job job = Service.Builder.newInstance("service2").addSizeDimension(0, 0).setLocation(Location.newInstance("service")).build();
JobInsertionContext iContex = new JobInsertionContext(route, job, newVehicle, mock(Driver.class), 0.0); JobInsertionContext iContex = new JobInsertionContext(route, job, newVehicle, mock(Driver.class), 0.0);
assertEquals(8.0, accessEgressCalc.getCosts(iContex), 0.01); assertEquals(8.0, accessEgressCalc.getCosts(iContex),0.01);
} }
} }

520
jsprit-core/src/test/java/jsprit/core/algorithm/recreate/TestLocalActivityInsertionCostsCalculator.java
View file

@ -16,118 +16,498 @@
******************************************************************************/ ******************************************************************************/
package jsprit.core.algorithm.recreate; package jsprit.core.algorithm.recreate;
import jsprit.core.algorithm.state.StateManager;
import jsprit.core.algorithm.state.UpdateActivityTimes;
import jsprit.core.algorithm.state.UpdateFutureWaitingTimes;
import jsprit.core.algorithm.state.UpdateVehicleDependentPracticalTimeWindows;
import jsprit.core.problem.Location; import jsprit.core.problem.Location;
import jsprit.core.problem.VehicleRoutingProblem;
import jsprit.core.problem.cost.VehicleRoutingActivityCosts; import jsprit.core.problem.cost.VehicleRoutingActivityCosts;
import jsprit.core.problem.cost.VehicleRoutingTransportCosts; import jsprit.core.problem.cost.VehicleRoutingTransportCosts;
import jsprit.core.problem.cost.WaitingTimeCosts;
import jsprit.core.problem.job.Job;
import jsprit.core.problem.job.Service;
import jsprit.core.problem.misc.JobInsertionContext; import jsprit.core.problem.misc.JobInsertionContext;
import jsprit.core.problem.solution.route.VehicleRoute; import jsprit.core.problem.solution.route.VehicleRoute;
import jsprit.core.problem.solution.route.activity.End; import jsprit.core.problem.solution.route.activity.End;
import jsprit.core.problem.solution.route.activity.Start;
import jsprit.core.problem.solution.route.activity.TimeWindow;
import jsprit.core.problem.solution.route.activity.TourActivity; import jsprit.core.problem.solution.route.activity.TourActivity;
import jsprit.core.problem.vehicle.Vehicle; import jsprit.core.problem.vehicle.Vehicle;
import jsprit.core.problem.vehicle.VehicleImpl;
import jsprit.core.problem.vehicle.VehicleTypeImpl;
import jsprit.core.util.CostFactory;
import org.junit.Before; import org.junit.Before;
import org.junit.Test; import org.junit.Test;
import java.util.ArrayList;
import java.util.Arrays;
import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.mock; import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when; import static org.mockito.Mockito.when;
public class TestLocalActivityInsertionCostsCalculator { public class TestLocalActivityInsertionCostsCalculator {
VehicleRoutingTransportCosts tpCosts; VehicleRoutingTransportCosts tpCosts;
VehicleRoutingActivityCosts actCosts; VehicleRoutingActivityCosts actCosts;
LocalActivityInsertionCostsCalculator calc; LocalActivityInsertionCostsCalculator calc;
Vehicle vehicle; Vehicle vehicle;
VehicleRoute route; VehicleRoute route;
JobInsertionContext jic; JobInsertionContext jic;
@Before @Before
public void doBefore() { public void doBefore(){
vehicle = mock(Vehicle.class); vehicle = mock(Vehicle.class);
route = mock(VehicleRoute.class); route = mock(VehicleRoute.class);
when(route.isEmpty()).thenReturn(false); when(route.isEmpty()).thenReturn(false);
when(route.getVehicle()).thenReturn(vehicle); when(route.getVehicle()).thenReturn(vehicle);
jic = mock(JobInsertionContext.class); jic = mock(JobInsertionContext.class);
when(jic.getRoute()).thenReturn(route); when(jic.getRoute()).thenReturn(route);
when(jic.getNewVehicle()).thenReturn(vehicle); when(jic.getNewVehicle()).thenReturn(vehicle);
when(vehicle.getType()).thenReturn(VehicleTypeImpl.Builder.newInstance("type").build());
tpCosts = mock(VehicleRoutingTransportCosts.class); tpCosts = mock(VehicleRoutingTransportCosts.class);
when(tpCosts.getTransportCost(loc("i"), loc("j"), 0.0, null, vehicle)).thenReturn(2.0); when(tpCosts.getTransportCost(loc("i"), loc("j"), 0.0, null, vehicle)).thenReturn(2.0);
when(tpCosts.getTransportTime(loc("i"), loc("j"), 0.0, null, vehicle)).thenReturn(0.0); when(tpCosts.getTransportTime(loc("i"), loc("j"), 0.0, null, vehicle)).thenReturn(0.0);
when(tpCosts.getTransportCost(loc("i"), loc("k"), 0.0, null, vehicle)).thenReturn(3.0); when(tpCosts.getTransportCost(loc("i"), loc("k"), 0.0, null, vehicle)).thenReturn(3.0);
when(tpCosts.getTransportTime(loc("i"), loc("k"), 0.0, null, vehicle)).thenReturn(0.0); when(tpCosts.getTransportTime(loc("i"), loc("k"), 0.0, null, vehicle)).thenReturn(0.0);
when(tpCosts.getTransportCost(loc("k"), loc("j"), 0.0, null, vehicle)).thenReturn(3.0); when(tpCosts.getTransportCost(loc("k"), loc("j"), 0.0, null, vehicle)).thenReturn(3.0);
when(tpCosts.getTransportTime(loc("k"), loc("j"), 0.0, null, vehicle)).thenReturn(0.0); when(tpCosts.getTransportTime(loc("k"), loc("j"), 0.0, null, vehicle)).thenReturn(0.0);
actCosts = mock(VehicleRoutingActivityCosts.class); actCosts = mock(VehicleRoutingActivityCosts.class);
calc = new LocalActivityInsertionCostsCalculator(tpCosts, actCosts); calc = new LocalActivityInsertionCostsCalculator(tpCosts, actCosts, mock(StateManager.class));
} }
private Location loc(String i) { private Location loc(String i) {
return Location.Builder.newInstance().setId(i).build(); return Location.Builder.newInstance().setId(i).build();
} }
@Test @Test
public void whenInsertingActBetweenTwoRouteActs_itCalcsMarginalTpCosts() { public void whenInsertingActBetweenTwoRouteActs_itCalcsMarginalTpCosts(){
TourActivity prevAct = mock(TourActivity.class); TourActivity prevAct = mock(TourActivity.class);
when(prevAct.getLocation()).thenReturn(loc("i")); when(prevAct.getLocation()).thenReturn(loc("i"));
TourActivity nextAct = mock(TourActivity.class); when(prevAct.getIndex()).thenReturn(1);
when(nextAct.getLocation()).thenReturn(loc("j")); TourActivity nextAct = mock(TourActivity.class);
TourActivity newAct = mock(TourActivity.class); when(nextAct.getLocation()).thenReturn(loc("j"));
when(newAct.getLocation()).thenReturn(loc("k")); when(nextAct.getIndex()).thenReturn(1);
TourActivity newAct = mock(TourActivity.class);
when(newAct.getLocation()).thenReturn(loc("k"));
when(newAct.getIndex()).thenReturn(1);
when(vehicle.isReturnToDepot()).thenReturn(true); when(vehicle.isReturnToDepot()).thenReturn(true);
double costs = calc.getCosts(jic, prevAct, nextAct, newAct, 0.0); double costs = calc.getCosts(jic, prevAct, nextAct, newAct, 0.0);
assertEquals(4.0, costs, 0.01); assertEquals(4.0,costs,0.01);
} }
@Test @Test
public void whenInsertingActBetweenLastActAndEnd_itCalcsMarginalTpCosts() { public void whenInsertingActBetweenLastActAndEnd_itCalcsMarginalTpCosts(){
TourActivity prevAct = mock(TourActivity.class); TourActivity prevAct = mock(TourActivity.class);
when(prevAct.getLocation()).thenReturn(loc("i")); when(prevAct.getLocation()).thenReturn(loc("i"));
End nextAct = End.newInstance("j", 0.0, 0.0); when(prevAct.getIndex()).thenReturn(1);
TourActivity newAct = mock(TourActivity.class); End nextAct = End.newInstance("j", 0.0, 0.0);
when(newAct.getLocation()).thenReturn(loc("k")); TourActivity newAct = mock(TourActivity.class);
when(newAct.getLocation()).thenReturn(loc("k"));
when(newAct.getIndex()).thenReturn(1);
when(vehicle.isReturnToDepot()).thenReturn(true); when(vehicle.isReturnToDepot()).thenReturn(true);
double costs = calc.getCosts(jic, prevAct, nextAct, newAct, 0.0); double costs = calc.getCosts(jic, prevAct, nextAct, newAct, 0.0);
assertEquals(4.0, costs, 0.01); assertEquals(4.0,costs,0.01);
} }
@Test @Test
public void whenInsertingActBetweenTwoRouteActsAndRouteIsOpen_itCalcsMarginalTpCosts() { public void whenInsertingActBetweenTwoRouteActsAndRouteIsOpen_itCalcsMarginalTpCosts(){
TourActivity prevAct = mock(TourActivity.class); TourActivity prevAct = mock(TourActivity.class);
when(prevAct.getLocation()).thenReturn(loc("i")); when(prevAct.getLocation()).thenReturn(loc("i"));
TourActivity nextAct = mock(TourActivity.class); when(prevAct.getIndex()).thenReturn(1);
when(nextAct.getLocation()).thenReturn(loc("j")); TourActivity nextAct = mock(TourActivity.class);
TourActivity newAct = mock(TourActivity.class); when(nextAct.getLocation()).thenReturn(loc("j"));
when(newAct.getLocation()).thenReturn(loc("k")); when(nextAct.getIndex()).thenReturn(1);
TourActivity newAct = mock(TourActivity.class);
when(newAct.getLocation()).thenReturn(loc("k"));
when(newAct.getIndex()).thenReturn(1);
when(vehicle.isReturnToDepot()).thenReturn(false); when(vehicle.isReturnToDepot()).thenReturn(false);
double costs = calc.getCosts(jic, prevAct, nextAct, newAct, 0.0); double costs = calc.getCosts(jic, prevAct, nextAct, newAct, 0.0);
assertEquals(4.0, costs, 0.01); assertEquals(4.0,costs,0.01);
} }
@Test @Test
public void whenInsertingActBetweenLastActAndEndAndRouteIsOpen_itCalculatesTpCostsFromPrevToNewAct() { public void whenInsertingActBetweenLastActAndEndAndRouteIsOpen_itCalculatesTpCostsFromPrevToNewAct(){
TourActivity prevAct = mock(TourActivity.class); TourActivity prevAct = mock(TourActivity.class);
when(prevAct.getLocation()).thenReturn(loc("i")); when(prevAct.getLocation()).thenReturn(loc("i"));
End nextAct = End.newInstance("j", 0.0, 0.0); when(prevAct.getIndex()).thenReturn(1);
TourActivity newAct = mock(TourActivity.class); End nextAct = End.newInstance("j", 0.0, 0.0);
when(newAct.getLocation()).thenReturn(loc("k")); TourActivity newAct = mock(TourActivity.class);
when(newAct.getLocation()).thenReturn(loc("k"));
when(newAct.getIndex()).thenReturn(1);
when(vehicle.isReturnToDepot()).thenReturn(false); when(vehicle.isReturnToDepot()).thenReturn(false);
double costs = calc.getCosts(jic, prevAct, nextAct, newAct, 0.0); double costs = calc.getCosts(jic, prevAct, nextAct, newAct, 0.0);
assertEquals(3.0, costs, 0.01); assertEquals(3.0,costs,0.01);
} }
@Test
public void test(){
VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("t").setCostPerWaitingTime(1.).build();
VehicleImpl v = VehicleImpl.Builder.newInstance("v").setType(type).setStartLocation(Location.newInstance(0, 0)).build();
Service prevS = Service.Builder.newInstance("prev").setLocation(Location.newInstance(10,0)).build();
Service newS = Service.Builder.newInstance("new").setServiceTime(10).setLocation(Location.newInstance(60, 0)).build();
Service nextS = Service.Builder.newInstance("next").setLocation(Location.newInstance(30,0)).setTimeWindow(TimeWindow.newInstance(40,80)).build();
VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addJob(prevS).addJob(newS).addJob(nextS).addVehicle(v).build();
TourActivity prevAct = vrp.getActivities(prevS).get(0);
TourActivity newAct = vrp.getActivities(newS).get(0);
TourActivity nextAct = vrp.getActivities(nextS).get(0);
VehicleRoute route = VehicleRoute.Builder.newInstance(v).setJobActivityFactory(vrp.getJobActivityFactory()).addService(prevS).addService(nextS).build();
JobInsertionContext context = new JobInsertionContext(route,newS,v,null,0.);
LocalActivityInsertionCostsCalculator calc = new LocalActivityInsertionCostsCalculator(CostFactory.createEuclideanCosts(),new WaitingTimeCosts(), new StateManager(mock(VehicleRoutingProblem.class)));
calc.setSolutionCompletenessRatio(1.);
double c = calc.getCosts(context,prevAct,nextAct,newAct,10);
assertEquals(50.,c,0.01);
/*
new: dist = 90 & wait = 0
old: dist = 30 & wait = 10
c = new - old = 90 - 40 = 50
*/
}
@Test
public void whenAddingNewBetweenStartAndAct_itShouldCalcInsertionCostsCorrectly(){
VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("t").setCostPerWaitingTime(1.).build();
VehicleImpl v = VehicleImpl.Builder.newInstance("v").setType(type).setStartLocation(Location.newInstance(0,0)).build();
Service newS = Service.Builder.newInstance("new").setServiceTime(10).setLocation(Location.newInstance(10, 0)).build();
Service nextS = Service.Builder.newInstance("next").setLocation(Location.newInstance(30, 0))
.setTimeWindow(TimeWindow.newInstance(40, 50)).build();
VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addJob(newS).addJob(nextS).addVehicle(v).build();
Start prevAct = new Start(Location.newInstance(0,0),0,100);
TourActivity newAct = vrp.getActivities(newS).get(0);
TourActivity nextAct = vrp.getActivities(nextS).get(0);
VehicleRoute route = VehicleRoute.Builder.newInstance(v).setJobActivityFactory(vrp.getJobActivityFactory()).addService(nextS).build();
JobInsertionContext context = new JobInsertionContext(route,newS,v,null,0.);
LocalActivityInsertionCostsCalculator calc = new LocalActivityInsertionCostsCalculator(CostFactory.createEuclideanCosts(),new WaitingTimeCosts(),new StateManager(vrp));
calc.setSolutionCompletenessRatio(1.);
double c = calc.getCosts(context,prevAct,nextAct,newAct,0);
assertEquals(-10.,c,0.01);
}
@Test
public void whenAddingNewBetweenStartAndAct2_itShouldCalcInsertionCostsCorrectly(){
VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("t").setCostPerWaitingTime(1.).build();
VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2").setType(type).setStartLocation(Location.newInstance(0,0)).build();
Service newS = Service.Builder.newInstance("new").setServiceTime(10).setLocation(Location.newInstance(10, 0)).build();
Service nextS = Service.Builder.newInstance("next").setLocation(Location.newInstance(30,0))
.setTimeWindow(TimeWindow.newInstance(140,150)).build();
VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addJob(newS).addJob(nextS).addVehicle(v2).build();
Start prevAct = new Start(Location.newInstance(0,0),0,100);
TourActivity newAct = vrp.getActivities(newS).get(0);
TourActivity nextAct = vrp.getActivities(nextS).get(0);
VehicleRoute route = VehicleRoute.Builder.newInstance(v2).setJobActivityFactory(vrp.getJobActivityFactory()).addService(nextS).build();
JobInsertionContext context = new JobInsertionContext(route,newS,v2,null,0.);
LocalActivityInsertionCostsCalculator calc = new LocalActivityInsertionCostsCalculator(CostFactory.createEuclideanCosts(),new WaitingTimeCosts(), new StateManager(vrp));
calc.setSolutionCompletenessRatio(1.);
double c = calc.getCosts(context,prevAct,nextAct,newAct,0);
assertEquals(-10.,c,0.01);
}
@Test
public void whenAddingNewInEmptyRoute_itShouldCalcInsertionCostsCorrectly(){
VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("t").setCostPerWaitingTime(1.).build();
VehicleImpl v = VehicleImpl.Builder.newInstance("v").setType(type).setStartLocation(Location.newInstance(0,0)).build();
Service newS = Service.Builder.newInstance("new").setServiceTime(10).setLocation(Location.newInstance(10, 0)).setTimeWindow(TimeWindow.newInstance(100, 150)).build();
VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addJob(newS).addVehicle(v).build();
Start prevAct = new Start(Location.newInstance(0,0),0,100);
TourActivity newAct = vrp.getActivities(newS).get(0);
End nextAct = new End(Location.newInstance(0,0),0,100);
VehicleRoute route = VehicleRoute.Builder.newInstance(v).setJobActivityFactory(vrp.getJobActivityFactory()).build();
JobInsertionContext context = new JobInsertionContext(route,newS,v,null,0.);
LocalActivityInsertionCostsCalculator calc = new LocalActivityInsertionCostsCalculator(CostFactory.createEuclideanCosts(),new WaitingTimeCosts(),new StateManager(vrp) );
calc.setSolutionCompletenessRatio(1.);
double c = calc.getCosts(context,prevAct,nextAct,newAct,0);
assertEquals(110.,c,0.01);
}
@Test
public void whenAddingNewBetweenTwoActs_itShouldCalcInsertionCostsCorrectly(){
VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("t").setCostPerWaitingTime(1.).build();
VehicleImpl v = VehicleImpl.Builder.newInstance("v").setType(type).setStartLocation(Location.newInstance(0,0)).build();
Service prevS = Service.Builder.newInstance("prev").setLocation(Location.newInstance(10, 0)).build();
Service newS = Service.Builder.newInstance("new").setServiceTime(10).setLocation(Location.newInstance(20, 0)).build();
Service nextS = Service.Builder.newInstance("next").setLocation(Location.newInstance(30,0)).setTimeWindow(TimeWindow.newInstance(40,50)).build();
VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addJob(prevS).addJob(newS).addJob(nextS).addVehicle(v).build();
TourActivity prevAct = vrp.getActivities(prevS).get(0);
TourActivity newAct = vrp.getActivities(newS).get(0);
TourActivity nextAct = vrp.getActivities(nextS).get(0);
VehicleRoute route = VehicleRoute.Builder.newInstance(v).setJobActivityFactory(vrp.getJobActivityFactory()).addService(prevS).addService(nextS).build();
JobInsertionContext context = new JobInsertionContext(route,newS,v,null,0.);
LocalActivityInsertionCostsCalculator calc = new LocalActivityInsertionCostsCalculator(CostFactory.createEuclideanCosts(),new WaitingTimeCosts(),new StateManager(vrp) );
calc.setSolutionCompletenessRatio(1.);
double c = calc.getCosts(context,prevAct,nextAct,newAct,10);
assertEquals(-10.,c,0.01);
}
@Test
public void whenAddingNewWithTWBetweenTwoActs_itShouldCalcInsertionCostsCorrectly(){
VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("t").setCostPerWaitingTime(1.).build();
VehicleImpl v = VehicleImpl.Builder.newInstance("v").setType(type).setStartLocation(Location.newInstance(0,0)).build();
Service prevS = Service.Builder.newInstance("prev").setLocation(Location.newInstance(10,0)).build();
Service newS = Service.Builder.newInstance("new").setServiceTime(10).setTimeWindow(TimeWindow.newInstance(100, 120)).setLocation(Location.newInstance(20, 0)).build();
Service nextS = Service.Builder.newInstance("next").setLocation(Location.newInstance(30,0)).setTimeWindow(TimeWindow.newInstance(40,500)).build();
VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addJob(prevS).addJob(newS).addJob(nextS).addVehicle(v).build();
TourActivity prevAct = vrp.getActivities(prevS).get(0);
TourActivity newAct = vrp.getActivities(newS).get(0);
TourActivity nextAct = vrp.getActivities(nextS).get(0);
VehicleRoute route = VehicleRoute.Builder.newInstance(v).setJobActivityFactory(vrp.getJobActivityFactory()).addService(prevS).addService(nextS).build();
JobInsertionContext context = new JobInsertionContext(route,newS,v,null,0.);
LocalActivityInsertionCostsCalculator calc = new LocalActivityInsertionCostsCalculator(CostFactory.createEuclideanCosts(),new WaitingTimeCosts(),new StateManager(vrp) );
calc.setSolutionCompletenessRatio(0.5);
double c = calc.getCosts(context,prevAct,nextAct,newAct,10);
assertEquals(35.,c,0.01);
}
@Test
public void whenAddingNewWithTWBetweenTwoActs2_itShouldCalcInsertionCostsCorrectly(){
VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("t").setCostPerWaitingTime(1.).build();
VehicleImpl v = VehicleImpl.Builder.newInstance("v").setType(type).setStartLocation(Location.newInstance(0,0)).build();
// VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2").setHasVariableDepartureTime(true).setType(type).setStartLocation(Location.newInstance(0,0)).build();
Service prevS = Service.Builder.newInstance("prev").setLocation(Location.newInstance(10,0)).build();
Service newS = Service.Builder.newInstance("new").setServiceTime(10).setTimeWindow(TimeWindow.newInstance(100,120)).setLocation(Location.newInstance(20, 0)).build();
Service nextS = Service.Builder.newInstance("next").setLocation(Location.newInstance(30,0)).setTimeWindow(TimeWindow.newInstance(40,500)).build();
Service afterNextS = Service.Builder.newInstance("afterNext").setLocation(Location.newInstance(40,0)).setTimeWindow(TimeWindow.newInstance(400,500)).build();
VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addJob(afterNextS).addJob(prevS).addJob(newS).addJob(nextS).addVehicle(v).build();
TourActivity prevAct = vrp.getActivities(prevS).get(0);
TourActivity newAct = vrp.getActivities(newS).get(0);
TourActivity nextAct = vrp.getActivities(nextS).get(0);
VehicleRoute route = VehicleRoute.Builder.newInstance(v).setJobActivityFactory(vrp.getJobActivityFactory()).addService(prevS).addService(nextS).addService(afterNextS).build();
StateManager stateManager = getStateManager(vrp,route);
JobInsertionContext context = new JobInsertionContext(route,newS,v,null,0.);
LocalActivityInsertionCostsCalculator calc = new LocalActivityInsertionCostsCalculator(CostFactory.createEuclideanCosts(),new WaitingTimeCosts(),stateManager);
calc.setSolutionCompletenessRatio(1.);
double c = calc.getCosts(context,prevAct,nextAct,newAct,10);
assertEquals(-10.,c,0.01);
//
//old: dist: 0, waiting: 10 + 350 = 360
//new: dist: 0, waiting: 80 + 270 = 350
}
@Test
public void whenAddingNewWithTWBetweenTwoActs3_itShouldCalcInsertionCostsCorrectly(){
VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("t").setCostPerWaitingTime(1.).build();
VehicleImpl v = VehicleImpl.Builder.newInstance("v").setType(type).setStartLocation(Location.newInstance(0,0)).build();
// VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2").setHasVariableDepartureTime(true).setType(type).setStartLocation(Location.newInstance(0,0)).build();
Service prevS = Service.Builder.newInstance("prev").setLocation(Location.newInstance(10,0)).build();
Service newS = Service.Builder.newInstance("new").setServiceTime(10).setTimeWindow(TimeWindow.newInstance(100, 120)).setLocation(Location.newInstance(20, 0)).build();
Service nextS = Service.Builder.newInstance("next").setLocation(Location.newInstance(30, 0)).setTimeWindow(TimeWindow.newInstance(40, 500)).build();
Service afterNextS = Service.Builder.newInstance("afterNext").setLocation(Location.newInstance(40,0)).setTimeWindow(TimeWindow.newInstance(80, 500)).build();
Service afterAfterNextS = Service.Builder.newInstance("afterAfterNext").setLocation(Location.newInstance(40,0)).setTimeWindow(TimeWindow.newInstance(100, 500)).build();
VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addVehicle(v).addJob(prevS).addJob(newS).addJob(nextS)
.addJob(afterNextS).addJob(afterAfterNextS).build();
TourActivity prevAct = vrp.getActivities(prevS).get(0);
TourActivity newAct = vrp.getActivities(newS).get(0);
TourActivity nextAct = vrp.getActivities(nextS).get(0);
VehicleRoute route = VehicleRoute.Builder.newInstance(v).setJobActivityFactory(vrp.getJobActivityFactory()).addService(prevS).addService(nextS).addService(afterNextS).addService(afterAfterNextS).build();
StateManager stateManager = getStateManager(vrp, route);
JobInsertionContext context = new JobInsertionContext(route,newS,v,null,0.);
LocalActivityInsertionCostsCalculator calc = new LocalActivityInsertionCostsCalculator(CostFactory.createEuclideanCosts(),new WaitingTimeCosts(),stateManager);
calc.setSolutionCompletenessRatio(1.);
double c = calc.getCosts(context,prevAct,nextAct,newAct,10);
assertEquals(20.,c,0.01);
//start-delay = new - old = 120 - 40 = 80 > future waiting time savings = 30 + 20 + 10
//ref: 10 + 50 + 20 = 80
//new: 80 - 10 - 30 - 20 = 20
/*
w(new) + w(next) - w_old(next) - min{start_delay(next),future_waiting}
*/
}
@Test
public void whenAddingNewWithTWBetweenTwoActs4_itShouldCalcInsertionCostsCorrectly(){
VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("t").setCostPerWaitingTime(1.).build();
VehicleImpl v = VehicleImpl.Builder.newInstance("v").setType(type).setStartLocation(Location.newInstance(0,0)).build();
// VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2").setHasVariableDepartureTime(true).setType(type).setStartLocation(Location.newInstance(0,0)).build();
Service prevS = Service.Builder.newInstance("prev").setLocation(Location.newInstance(10,0)).build();
Service newS = Service.Builder.newInstance("new").setServiceTime(10).setTimeWindow(TimeWindow.newInstance(100,120)).setLocation(Location.newInstance(20, 0)).build();
Service nextS = Service.Builder.newInstance("next").setLocation(Location.newInstance(30,0)).setTimeWindow(TimeWindow.newInstance(40,500)).build();
Service afterNextS = Service.Builder.newInstance("afterNext").setLocation(Location.newInstance(40,0)).setTimeWindow(TimeWindow.newInstance(80,500)).build();
Service afterAfterNextS = Service.Builder.newInstance("afterAfterNext").setLocation(Location.newInstance(50,0)).setTimeWindow(TimeWindow.newInstance(100,500)).build();
VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addVehicle(v).addJob(prevS).addJob(newS).addJob(nextS)
.addJob(afterNextS).addJob(afterAfterNextS).build();
TourActivity prevAct = vrp.getActivities(prevS).get(0);
TourActivity newAct = vrp.getActivities(newS).get(0);
TourActivity nextAct = vrp.getActivities(nextS).get(0);
VehicleRoute route = VehicleRoute.Builder.newInstance(v).setJobActivityFactory(vrp.getJobActivityFactory()).addService(prevS).addService(nextS).addService(afterNextS).addService(afterAfterNextS).build();
JobInsertionContext context = new JobInsertionContext(route,newS,v,null,0.);
StateManager stateManager = getStateManager(vrp, route);
LocalActivityInsertionCostsCalculator calc = new LocalActivityInsertionCostsCalculator(CostFactory.createEuclideanCosts(),new WaitingTimeCosts(),stateManager);
calc.setSolutionCompletenessRatio(1.);
double c = calc.getCosts(context,prevAct,nextAct,newAct,10);
assertEquals(30.,c,0.01);
//ref: 10 + 30 + 10 = 50
//new: 50 - 50 = 0
/*
activity start time delay at next act = start-time-old - start-time-new is always bigger than subsequent waiting time savings
*/
/*
old = 10 + 30 + 10 = 50
new = 80 + 0 - 10 - min{80,40} = 30
*/
}
@Test
public void whenAddingNewWithTWBetweenTwoActs4WithVarStart_itShouldCalcInsertionCostsCorrectly(){
VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("t").setCostPerWaitingTime(1.).build();
VehicleImpl v = VehicleImpl.Builder.newInstance("v").setType(type).setStartLocation(Location.newInstance(0,0)).build();
// VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2").setHasVariableDepartureTime(true).setType(type).setStartLocation(Location.newInstance(0,0)).build();
Service prevS = Service.Builder.newInstance("prev").setLocation(Location.newInstance(10,0)).build();
Service newS = Service.Builder.newInstance("new").setServiceTime(10).setTimeWindow(TimeWindow.newInstance(100,120)).setLocation(Location.newInstance(20, 0)).build();
Service nextS = Service.Builder.newInstance("next").setLocation(Location.newInstance(30,0)).setTimeWindow(TimeWindow.newInstance(40,500)).build();
Service afterNextS = Service.Builder.newInstance("afterNext").setLocation(Location.newInstance(40,0)).setTimeWindow(TimeWindow.newInstance(80,500)).build();
Service afterAfterNextS = Service.Builder.newInstance("afterAfterNext").setLocation(Location.newInstance(50,0)).setTimeWindow(TimeWindow.newInstance(100,500)).build();
VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addVehicle(v).addJob(prevS).addJob(newS).addJob(nextS)
.addJob(afterNextS).addJob(afterAfterNextS).build();
TourActivity prevAct = vrp.getActivities(prevS).get(0);
TourActivity newAct = vrp.getActivities(newS).get(0);
TourActivity nextAct = vrp.getActivities(nextS).get(0);
VehicleRoute route = VehicleRoute.Builder.newInstance(v).setJobActivityFactory(vrp.getJobActivityFactory()).addService(prevS).addService(nextS).addService(afterNextS).addService(afterAfterNextS).build();
JobInsertionContext context = new JobInsertionContext(route,newS,v,null,0.);
StateManager stateManager = getStateManager(vrp, route);
LocalActivityInsertionCostsCalculator calc = new LocalActivityInsertionCostsCalculator(CostFactory.createEuclideanCosts(),new WaitingTimeCosts(),stateManager);
calc.setSolutionCompletenessRatio(1.);
double c = calc.getCosts(context,prevAct,nextAct,newAct,10);
assertEquals(30.,c,0.01);
/*
activity start time delay at next act = start-time-old - start-time-new is always bigger than subsequent waiting time savings
*/
/*
old = 10 + 30 + 10 = 50
new = 80
new - old = 80 - 40 = 40
*/
}
@Test
public void whenAddingNewWithTWBetweenTwoActs3WithVarStart_itShouldCalcInsertionCostsCorrectly(){
VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("t").setCostPerWaitingTime(1.).build();
VehicleImpl v = VehicleImpl.Builder.newInstance("v").setType(type).setStartLocation(Location.newInstance(0,0)).build();
// VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2").setHasVariableDepartureTime(true).setType(type).setStartLocation(Location.newInstance(0,0)).build();
Service prevS = Service.Builder.newInstance("prev").setLocation(Location.newInstance(10,0)).build();
Service newS = Service.Builder.newInstance("new").setServiceTime(10).setTimeWindow(TimeWindow.newInstance(50,70)).setLocation(Location.newInstance(20, 0)).build();
Service nextS = Service.Builder.newInstance("next").setLocation(Location.newInstance(30,0)).setTimeWindow(TimeWindow.newInstance(40,70)).build();
Service afterNextS = Service.Builder.newInstance("afterNext").setLocation(Location.newInstance(40,0)).setTimeWindow(TimeWindow.newInstance(50,100)).build();
Service afterAfterNextS = Service.Builder.newInstance("afterAfterNext").setLocation(Location.newInstance(50,0)).setTimeWindow(TimeWindow.newInstance(100,500)).build();
VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addVehicle(v).addJob(prevS).addJob(newS).addJob(nextS)
.addJob(afterNextS).addJob(afterAfterNextS).build();
TourActivity prevAct = vrp.getActivities(prevS).get(0);
TourActivity newAct = vrp.getActivities(newS).get(0);
TourActivity nextAct = vrp.getActivities(nextS).get(0);
VehicleRoute route = VehicleRoute.Builder.newInstance(v).setJobActivityFactory(vrp.getJobActivityFactory()).addService(prevS).addService(nextS).addService(afterNextS).addService(afterAfterNextS).build();
JobInsertionContext context = new JobInsertionContext(route,newS,v,null,0.);
StateManager stateManager = getStateManager(vrp, route);
LocalActivityInsertionCostsCalculator calc = new LocalActivityInsertionCostsCalculator(CostFactory.createEuclideanCosts(),new WaitingTimeCosts(),stateManager);
calc.setSolutionCompletenessRatio(1.);
double c = calc.getCosts(context,prevAct,nextAct,newAct,10);
assertEquals(-10.,c,0.01);
/*
activity start time delay at next act = start-time-old - start-time-new is always bigger than subsequent waiting time savings
*/
/*
old = 10 + 40 = 50
new = 30 + 10 = 40
*/
}
private StateManager getStateManager(VehicleRoutingProblem vrp, VehicleRoute route) {
StateManager stateManager = new StateManager(vrp);
stateManager.addStateUpdater(new UpdateActivityTimes(vrp.getTransportCosts()));
stateManager.addStateUpdater(new UpdateVehicleDependentPracticalTimeWindows(stateManager,vrp.getTransportCosts()));
stateManager.addStateUpdater(new UpdateFutureWaitingTimes(stateManager,vrp.getTransportCosts()));
stateManager.informInsertionStarts(Arrays.asList(route),new ArrayList<Job>());
return stateManager;
}
} }

29
jsprit-core/src/test/java/jsprit/core/problem/vehicle/VehicleImplTest.java
View file

@ -34,6 +34,35 @@ public class VehicleImplTest {
Vehicle v = VehicleImpl.Builder.newInstance("v").build(); Vehicle v = VehicleImpl.Builder.newInstance("v").build();
} }
@Test
public void whenAddingSkills_theyShouldBeAddedCorrectly(){
VehicleTypeImpl type1 = VehicleTypeImpl.Builder.newInstance("type").build();
Vehicle v = VehicleImpl.Builder.newInstance("v").setStartLocation(Location.newInstance("start")).setType(type1).setEndLocation(Location.newInstance("start"))
.addSkill("drill").addSkill("screwdriver").build();
assertTrue(v.getSkills().containsSkill("drill"));
assertTrue(v.getSkills().containsSkill("drill"));
assertTrue(v.getSkills().containsSkill("screwdriver"));
}
@Test
public void whenAddingSkillsCaseSens_theyShouldBeAddedCorrectly(){
VehicleTypeImpl type1 = VehicleTypeImpl.Builder.newInstance("type").build();
Vehicle v = VehicleImpl.Builder.newInstance("v").setStartLocation(Location.newInstance("start")).setType(type1).setEndLocation(Location.newInstance("start"))
.addSkill("drill").addSkill("screwdriver").build();
assertTrue(v.getSkills().containsSkill("drill"));
assertTrue(v.getSkills().containsSkill("dRill"));
assertTrue(v.getSkills().containsSkill("ScrewDriver"));
}
@Test
public void whenAddingSkillsCaseSensV2_theyShouldBeAddedCorrectly(){
VehicleTypeImpl type1 = VehicleTypeImpl.Builder.newInstance("type").build();
Vehicle v = VehicleImpl.Builder.newInstance("v").setStartLocation(Location.newInstance("start")).setType(type1).setEndLocation(Location.newInstance("start"))
.addSkill("drill").build();
assertFalse(v.getSkills().containsSkill("ScrewDriver"));
}
@Test @Test
public void whenVehicleIsBuiltToReturnToDepot_itShouldReturnToDepot() { public void whenVehicleIsBuiltToReturnToDepot_itShouldReturnToDepot() {
Vehicle v = VehicleImpl.Builder.newInstance("v").setReturnToDepot(true).setStartLocation(Location.newInstance("loc")).build(); Vehicle v = VehicleImpl.Builder.newInstance("v").setReturnToDepot(true).setStartLocation(Location.newInstance("loc")).build();

69
jsprit-examples/src/main/java/jsprit/examples/CostMatrixExample.java
View file

@ -18,7 +18,7 @@ package jsprit.examples;
import jsprit.analysis.toolbox.Plotter; import jsprit.analysis.toolbox.Plotter;
import jsprit.core.algorithm.VehicleRoutingAlgorithm; import jsprit.core.algorithm.VehicleRoutingAlgorithm;
import jsprit.core.algorithm.io.VehicleRoutingAlgorithms; import jsprit.core.algorithm.box.Jsprit;
import jsprit.core.problem.Location; import jsprit.core.problem.Location;
import jsprit.core.problem.VehicleRoutingProblem; import jsprit.core.problem.VehicleRoutingProblem;
import jsprit.core.problem.VehicleRoutingProblem.FleetSize; import jsprit.core.problem.VehicleRoutingProblem.FleetSize;
@ -40,26 +40,27 @@ import java.util.Collection;
* Illustrates how you can use jsprit with an already compiled distance and time matrix. * Illustrates how you can use jsprit with an already compiled distance and time matrix.
* *
* @author schroeder * @author schroeder
*
*/ */
public class CostMatrixExample { public class CostMatrixExample {
public static void main(String[] args) { public static void main(String[] args) {
/* /*
* some preparation - create output folder * some preparation - create output folder
*/ */
Examples.createOutputFolder(); Examples.createOutputFolder();
VehicleType type = VehicleTypeImpl.Builder.newInstance("type").addCapacityDimension(0, 2).setCostPerDistance(1).setCostPerTime(2).build(); VehicleType type = VehicleTypeImpl.Builder.newInstance("type").addCapacityDimension(0, 2).setCostPerDistance(1).setCostPerTime(2).build();
VehicleImpl vehicle = VehicleImpl.Builder.newInstance("vehicle") VehicleImpl vehicle = VehicleImpl.Builder.newInstance("vehicle")
.setStartLocation(Location.newInstance("0")).setType(type).build(); .setStartLocation(Location.newInstance("0")).setType(type).build();
Service s1 = Service.Builder.newInstance("1").addSizeDimension(0, 1).setLocation(Location.newInstance("1")).build(); Service s1 = Service.Builder.newInstance("1").addSizeDimension(0, 1).setLocation(Location.newInstance("1")).build();
Service s2 = Service.Builder.newInstance("2").addSizeDimension(0, 1).setLocation(Location.newInstance("2")).build(); Service s2 = Service.Builder.newInstance("2").addSizeDimension(0, 1).setLocation(Location.newInstance("2")).build();
Service s3 = Service.Builder.newInstance("3").addSizeDimension(0, 1).setLocation(Location.newInstance("3")).build(); Service s3 = Service.Builder.newInstance("3").addSizeDimension(0, 1).setLocation(Location.newInstance("3")).build();
/* /*
* Assume the following symmetric distance-matrix * Assume the following symmetric distance-matrix
* from,to,distance * from,to,distance
* 0,1,10.0 * 0,1,10.0
* 0,2,20.0 * 0,2,20.0
@ -76,35 +77,35 @@ public class CostMatrixExample {
* 1,3,0.5 * 1,3,0.5
* 2,3,1.0 * 2,3,1.0
*/ */
//define a matrix-builder building a symmetric matrix //define a matrix-builder building a symmetric matrix
VehicleRoutingTransportCostsMatrix.Builder costMatrixBuilder = VehicleRoutingTransportCostsMatrix.Builder.newInstance(true); VehicleRoutingTransportCostsMatrix.Builder costMatrixBuilder = VehicleRoutingTransportCostsMatrix.Builder.newInstance(true);
costMatrixBuilder.addTransportDistance("0", "1", 10.0); costMatrixBuilder.addTransportDistance("0", "1", 10.0);
costMatrixBuilder.addTransportDistance("0", "2", 20.0); costMatrixBuilder.addTransportDistance("0", "2", 20.0);
costMatrixBuilder.addTransportDistance("0", "3", 5.0); costMatrixBuilder.addTransportDistance("0", "3", 5.0);
costMatrixBuilder.addTransportDistance("1", "2", 4.0); costMatrixBuilder.addTransportDistance("1", "2", 4.0);
costMatrixBuilder.addTransportDistance("1", "3", 1.0); costMatrixBuilder.addTransportDistance("1", "3", 1.0);
costMatrixBuilder.addTransportDistance("2", "3", 2.0); costMatrixBuilder.addTransportDistance("2", "3", 2.0);
costMatrixBuilder.addTransportTime("0", "1", 10.0); costMatrixBuilder.addTransportTime("0", "1", 10.0);
costMatrixBuilder.addTransportTime("0", "2", 20.0); costMatrixBuilder.addTransportTime("0", "2", 20.0);
costMatrixBuilder.addTransportTime("0", "3", 5.0); costMatrixBuilder.addTransportTime("0", "3", 5.0);
costMatrixBuilder.addTransportTime("1", "2", 4.0); costMatrixBuilder.addTransportTime("1", "2", 4.0);
costMatrixBuilder.addTransportTime("1", "3", 1.0); costMatrixBuilder.addTransportTime("1", "3", 1.0);
costMatrixBuilder.addTransportTime("2", "3", 2.0); costMatrixBuilder.addTransportTime("2", "3", 2.0);
VehicleRoutingTransportCosts costMatrix = costMatrixBuilder.build(); VehicleRoutingTransportCosts costMatrix = costMatrixBuilder.build();
VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().setFleetSize(FleetSize.INFINITE).setRoutingCost(costMatrix) VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().setFleetSize(FleetSize.INFINITE).setRoutingCost(costMatrix)
.addVehicle(vehicle).addJob(s1).addJob(s2).addJob(s3).build(); .addVehicle(vehicle).addJob(s1).addJob(s2).addJob(s3).build();
VehicleRoutingAlgorithm vra = VehicleRoutingAlgorithms.readAndCreateAlgorithm(vrp, "input/fastAlgo.xml"); VehicleRoutingAlgorithm vra = Jsprit.createAlgorithm(vrp);
Collection<VehicleRoutingProblemSolution> solutions = vra.searchSolutions(); Collection<VehicleRoutingProblemSolution> solutions = vra.searchSolutions();
SolutionPrinter.print(Solutions.bestOf(solutions)); SolutionPrinter.print(Solutions.bestOf(solutions));
new Plotter(vrp, Solutions.bestOf(solutions)).plot("output/yo.png", "po"); new Plotter(vrp, Solutions.bestOf(solutions)).plot("output/yo.png", "po");
} }
} }

74
jsprit-examples/src/main/java/jsprit/examples/WaitingTimeExample.java Normal file
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@ -0,0 +1,74 @@
package jsprit.examples;
import jsprit.analysis.toolbox.AlgorithmSearchProgressChartListener;
import jsprit.analysis.toolbox.Plotter;
import jsprit.core.algorithm.VehicleRoutingAlgorithm;
import jsprit.core.algorithm.box.Jsprit;
import jsprit.core.analysis.SolutionAnalyser;
import jsprit.core.problem.Location;
import jsprit.core.problem.VehicleRoutingProblem;
import jsprit.core.problem.cost.TransportDistance;
import jsprit.core.problem.job.Service;
import jsprit.core.problem.solution.VehicleRoutingProblemSolution;
import jsprit.core.problem.solution.route.activity.TimeWindow;
import jsprit.core.problem.vehicle.VehicleImpl;
import jsprit.core.problem.vehicle.VehicleTypeImpl;
import jsprit.core.reporting.SolutionPrinter;
import jsprit.core.util.RandomNumberGeneration;
import jsprit.core.util.Solutions;
import java.util.Random;
/**
* Created by schroeder on 23/07/15.
*/
public class WaitingTimeExample {
public static void main(String[] args) {
VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("type").setCostPerDistance(4.).setCostPerWaitingTime(1.0).build();
VehicleTypeImpl type1 = VehicleTypeImpl.Builder.newInstance("type1").setCostPerDistance(4.).setCostPerWaitingTime(1.0).build();
VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2").setType(type).setReturnToDepot(true)
.setStartLocation(Location.newInstance(0, 0))
.setEarliestStart(0).setLatestArrival(220)
.build();
VehicleImpl v3 = VehicleImpl.Builder.newInstance("v3").setType(type1).setReturnToDepot(true)
.setStartLocation(Location.newInstance(0, 10))
.setEarliestStart(200).setLatestArrival(450)
.build();
VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance();
Random r = RandomNumberGeneration.newInstance();
for(int i=0;i<40;i++){
Service s = Service.Builder.newInstance("s_"+i).setServiceTime(5)
.setLocation(Location.newInstance(1 - r.nextInt(5), 10 + r.nextInt(10))).build();
vrpBuilder.addJob(s);
}
Service s1 = Service.Builder.newInstance("s12").setLocation(Location.newInstance(-3, 15)).setTimeWindow(TimeWindow.newInstance(290, 600)).build();
Service s4 = Service.Builder.newInstance("s13").setLocation(Location.newInstance(0,20)).setTimeWindow(TimeWindow.newInstance(290, 340)).build();
Service s2 = Service.Builder.newInstance("s10").setLocation(Location.newInstance(-1, 15)).setTimeWindow(TimeWindow.newInstance(300, 350)).build();
Service s3 = Service.Builder.newInstance("s11").setLocation(Location.newInstance(10, 10)).setTimeWindow(TimeWindow.newInstance(400, 600)).build();
vrpBuilder.addJob(s1).addJob(s2).addJob(s3).addJob(s4).addVehicle(v2).addVehicle(v3);
vrpBuilder.setFleetSize(VehicleRoutingProblem.FleetSize.FINITE);
final VehicleRoutingProblem vrp = vrpBuilder.build();
VehicleRoutingAlgorithm vra = Jsprit.createAlgorithm(vrp);
vra.setMaxIterations(2000);
vra.addListener(new AlgorithmSearchProgressChartListener("output/search"));
VehicleRoutingProblemSolution solution = Solutions.bestOf(vra.searchSolutions());
System.out.println("c: " + solution.getCost());
SolutionPrinter.print(vrp, solution, SolutionPrinter.Print.VERBOSE);
SolutionAnalyser sa = new SolutionAnalyser(vrp, solution, new TransportDistance() {
@Override
public double getDistance(Location from, Location to) {
return vrp.getTransportCosts().getTransportTime(from,to,0.,null,null);
}
});
System.out.println("totalWaiting: " + sa.getWaitingTime());
System.out.println("brokenTWs: " + sa.getTimeWindowViolation());
new Plotter(vrp,solution).setLabel(Plotter.Label.ID).plot("output/plot","plot");
}
}

90
jsprit-examples/src/main/java/jsprit/examples/WaitingTimeExample2.java Normal file
View file

@ -0,0 +1,90 @@
package jsprit.examples;
import jsprit.analysis.toolbox.AlgorithmSearchProgressChartListener;
import jsprit.analysis.toolbox.Plotter;
import jsprit.core.algorithm.VehicleRoutingAlgorithm;
import jsprit.core.algorithm.box.Jsprit;
import jsprit.core.problem.Location;
import jsprit.core.problem.VehicleRoutingProblem;
import jsprit.core.problem.job.Service;
import jsprit.core.problem.solution.VehicleRoutingProblemSolution;
import jsprit.core.problem.solution.route.activity.TimeWindow;
import jsprit.core.problem.vehicle.VehicleImpl;
import jsprit.core.problem.vehicle.VehicleTypeImpl;
import jsprit.core.reporting.SolutionPrinter;
import jsprit.core.util.Solutions;
/**
* Created by schroeder on 23/07/15.
*/
public class WaitingTimeExample2 {
static interface AlgorithmFactory {
VehicleRoutingAlgorithm createAlgorithm(VehicleRoutingProblem vrp);
}
public static void main(String[] args) {
VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("type").setCostPerDistance(1.5).setCostPerWaitingTime(1.).build();
// VehicleTypeImpl type1 = VehicleTypeImpl.Builder.newInstance("type1").setCostPerDistance(1.5).setCostPerWaitingTime(.0).build();
VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2").setType(type).setReturnToDepot(true)
.setStartLocation(Location.newInstance(0, 0)).build();
VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance();
Service s1 = Service.Builder.newInstance("s12").setLocation(Location.newInstance(-1, 5)).setTimeWindow(TimeWindow.newInstance(100, 110)).build();
Service s4 = Service.Builder.newInstance("s13").setLocation(Location.newInstance(0, 10)).build();
Service s2 = Service.Builder.newInstance("s10").setLocation(Location.newInstance(1, 12)).build();
Service s3 = Service.Builder.newInstance("s11").setLocation(Location.newInstance(4, 10)).build();
Service s5 = Service.Builder.newInstance("s14").setLocation(Location.newInstance(6, 5)).setTimeWindow(TimeWindow.newInstance(110,220)).build();
vrpBuilder.addJob(s1).addJob(s2).addJob(s3).addJob(s4).addJob(s5).addVehicle(v2);
vrpBuilder.setFleetSize(VehicleRoutingProblem.FleetSize.FINITE);
final VehicleRoutingProblem vrp = vrpBuilder.build();
// AlgorithmFactory algorithmFactory = new AlgorithmFactory() {
// @Override
// public VehicleRoutingAlgorithm createAlgorithm(final VehicleRoutingProblem vrp) {
// StateManager stateManager = new StateManager(vrp);
// stateManager.addStateUpdater(new UpdateFutureWaitingTimes(stateManager,vrp.getTransportCosts()));
// ConstraintManager constraintManager = new ConstraintManager(vrp,stateManager);
//
// return Jsprit.Builder.newInstance(vrp)
// .addCoreStateAndConstraintStuff(true)
// .setStateAndConstraintManager(stateManager, constraintManager)
//// .setProperty(Jsprit.Parameter.THRESHOLD_INI, "0.1")
//// .setProperty(Jsprit.Parameter.THRESHOLD_ALPHA, "0.3")
//// .setProperty(Parameter.)
//// .setProperty(Jsprit.Parameter.CONSTRUCTION, Jsprit.Construction.BEST_INSERTION.toString())
// .setObjectiveFunction(new SolutionCostCalculator() {
// @Override
// public double getCosts(VehicleRoutingProblemSolution solution) {
// double costs = 0.;
// for (VehicleRoute route : solution.getRoutes()) {
// costs += route.getVehicle().getType().getVehicleCostParams().fix;
// TourActivity prevAct = route.getStart();
// for (TourActivity act : route.getActivities()) {
// costs += vrp.getTransportCosts().getTransportCost(prevAct.getLocation(), act.getLocation(), prevAct.getEndTime(), route.getDriver(), route.getVehicle());
// costs += vrp.getActivityCosts().getActivityCost(act, act.getArrTime(), route.getDriver(), route.getVehicle());
// prevAct = act;
// }
// costs += vrp.getTransportCosts().getTransportCost(prevAct.getLocation(), route.getEnd().getLocation(), prevAct.getEndTime(), route.getDriver(), route.getVehicle());
// }
// costs += solution.getUnassignedJobs().size() * 200;
// return costs;
// }
// })
// .buildAlgorithm();
// }
// };
VehicleRoutingAlgorithm vra = Jsprit.createAlgorithm(vrp);
vra.setMaxIterations(1000);
vra.addListener(new AlgorithmSearchProgressChartListener("output/search"));
VehicleRoutingProblemSolution solution = Solutions.bestOf(vra.searchSolutions());
System.out.println("c: " + solution.getCost());
SolutionPrinter.print(vrp, solution, SolutionPrinter.Print.VERBOSE);
new Plotter(vrp,solution).setLabel(Plotter.Label.ID).plot("output/plot","plot");
}
}