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Code Issues Releases Wiki Activity

merge min-waiting-time branch

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This commit is contained in:
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();
stateManager.updateLoadStates();
stateManager.updateTimeWindowStates();
UpdateVehicleDependentPracticalTimeWindows tw_updater = new UpdateVehicleDependentPracticalTimeWindows(stateManager, vrp.getTransportCosts());
tw_updater.setVehiclesToUpdate(new UpdateVehicleDependentPracticalTimeWindows.VehiclesToUpdate() {
UpdateVehicleDependentPracticalTimeWindows twUpdater = new UpdateVehicleDependentPracticalTimeWindows(stateManager, vrp.getTransportCosts());
twUpdater.setVehiclesToUpdate(new UpdateVehicleDependentPracticalTimeWindows.VehiclesToUpdate() {
Map<VehicleTypeKey, Vehicle> uniqueTypes = new HashMap<VehicleTypeKey, Vehicle>();
@ -109,12 +109,14 @@ public class PrettyAlgorithmBuilder {
vehicles.addAll(uniqueTypes.values());
return vehicles;
}
});
stateManager.addStateUpdater(tw_updater);
stateManager.addStateUpdater(twUpdater);
stateManager.updateSkillStates();
stateManager.addStateUpdater(new UpdateEndLocationIfRouteIsOpen());
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 UpdateFutureWaitingTimes(stateManager,vrp.getTransportCosts()));
}
VehicleRoutingAlgorithm vra = new VehicleRoutingAlgorithm(vrp, searchStrategyManager);
vra.addListener(stateManager);

50
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.termination.PrematureAlgorithmTermination;
import jsprit.core.problem.VehicleRoutingProblem;
import jsprit.core.problem.job.Job;
import jsprit.core.problem.solution.VehicleRoutingProblemSolution;
import jsprit.core.problem.solution.route.VehicleRoute;
import jsprit.core.problem.solution.route.activity.TourActivity;
@ -35,6 +36,7 @@ import java.util.Collection;
* Algorithm that solves a {@link VehicleRoutingProblem}.
*
* @author stefan schroeder
*
*/
public class VehicleRoutingAlgorithm {
@ -42,14 +44,14 @@ public class VehicleRoutingAlgorithm {
private Collection<PrematureAlgorithmTermination> terminationCriteria = new ArrayList<PrematureAlgorithmTermination>();
void addTermination(PrematureAlgorithmTermination termination) {
void addTermination(PrematureAlgorithmTermination termination){
terminationCriteria.add(termination);
}
@Override
public boolean isPrematureBreak(DiscoveredSolution discoveredSolution) {
for (PrematureAlgorithmTermination termination : terminationCriteria) {
if (termination.isPrematureBreak(discoveredSolution)) {
for(PrematureAlgorithmTermination termination : terminationCriteria){
if(termination.isPrematureBreak(discoveredSolution)){
return true;
}
}
@ -194,14 +196,15 @@ public class VehicleRoutingAlgorithm {
Collection<VehicleRoutingProblemSolution> solutions = new ArrayList<VehicleRoutingProblemSolution>(initialSolutions);
algorithmStarts(problem, solutions);
bestEver = Solutions.bestOf(solutions);
if(logger.isTraceEnabled()) log(solutions);
logger.info("iterations start");
for (int i = 0; i < maxIterations; i++) {
iterationStarts(i + 1, problem, solutions);
logger.debug("start iteration: {}", i);
for(int i=0;i< maxIterations;i++){
iterationStarts(i+1,problem,solutions);
logger.debug("start iteration: {}",i);
counter.incCounter();
SearchStrategy strategy = searchStrategyManager.getRandomStrategy();
DiscoveredSolution discoveredSolution = strategy.run(problem, solutions);
logger.trace("discovered solution: {}", discoveredSolution);
if(logger.isTraceEnabled()) log(discoveredSolution);
memorizeIfBestEver(discoveredSolution);
selectedStrategy(discoveredSolution, problem, solutions);
if (terminationManager.isPrematureBreak(discoveredSolution)) {
@ -222,6 +225,39 @@ public class VehicleRoutingAlgorithm {
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) {
if (discoveredSolution == null) return;
if (bestEver == null) bestEver = discoveredSolution.getSolution();

218
jsprit-core/src/main/java/jsprit/core/algorithm/box/Jsprit.java
View file

@ -40,11 +40,11 @@ public class Jsprit {
String name;
Construction(String name) {
Construction(String name){
this.name = name;
}
public String toString() {
public String toString(){
return name;
}
@ -63,11 +63,11 @@ public class Jsprit {
String strategyName;
Strategy(String strategyName) {
Strategy(String strategyName){
this.strategyName = strategyName;
}
public String toString() {
public String toString(){
return strategyName;
}
}
@ -97,17 +97,17 @@ public class Jsprit {
String paraName;
Parameter(String name) {
Parameter(String name){
this.paraName = name;
}
public String toString() {
public String toString(){
return paraName;
}
}
public static VehicleRoutingAlgorithm createAlgorithm(VehicleRoutingProblem vehicleRoutingProblem) {
public static VehicleRoutingAlgorithm createAlgorithm(VehicleRoutingProblem vehicleRoutingProblem){
return Jsprit.Builder.newInstance(vehicleRoutingProblem).buildAlgorithm();
}
@ -131,53 +131,53 @@ public class Jsprit {
private Random random = RandomNumberGeneration.newInstance();
public static Builder newInstance(VehicleRoutingProblem vrp) {
public static Builder newInstance(VehicleRoutingProblem vrp){
return new Builder(vrp);
}
private Builder(VehicleRoutingProblem vrp) {
private Builder(VehicleRoutingProblem vrp){
this.vrp = vrp;
properties = new Properties(createDefaultProperties());
}
private Properties createDefaultProperties() {
Properties defaults = new Properties();
defaults.put(Strategy.RADIAL_BEST.toString(), "0.");
defaults.put(Strategy.RADIAL_REGRET.toString(), ".5");
defaults.put(Strategy.RANDOM_BEST.toString(), ".5");
defaults.put(Strategy.RANDOM_REGRET.toString(), ".5");
defaults.put(Strategy.WORST_BEST.toString(), "0.");
defaults.put(Strategy.WORST_REGRET.toString(), "1.");
defaults.put(Strategy.CLUSTER_BEST.toString(), "0.");
defaults.put(Strategy.CLUSTER_REGRET.toString(), "1.");
defaults.put(Parameter.FIXED_COST_PARAM.toString(), "0.");
defaults.put(Parameter.VEHICLE_SWITCH.toString(), "true");
defaults.put(Parameter.ITERATIONS.toString(), "2000");
defaults.put(Parameter.REGRET_DISTANCE_SCORER.toString(), ".05");
defaults.put(Parameter.REGRET_TIME_WINDOW_SCORER.toString(), "-.1");
defaults.put(Parameter.THREADS.toString(), "1");
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));
defaults.put(Parameter.RADIAL_MIN_SHARE.toString(), String.valueOf(minShare));
defaults.put(Parameter.RADIAL_MAX_SHARE.toString(), String.valueOf(maxShare));
defaults.put(Parameter.WORST_MIN_SHARE.toString(), String.valueOf(minShare));
defaults.put(Parameter.WORST_MAX_SHARE.toString(), String.valueOf(maxShare));
defaults.put(Parameter.CLUSTER_MIN_SHARE.toString(), String.valueOf(minShare));
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 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_MAX_SHARE.toString(), String.valueOf(maxShare_));
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.THRESHOLD_ALPHA.toString(), String.valueOf(0.15));
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_PROB.toString(), String.valueOf(0.2));
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.VEHICLE_SWITCH.toString(), String.valueOf(true));
defaults.put(Parameter.CONSTRUCTION.toString(), Construction.REGRET_INSERTION.toString());
defaults.put(Strategy.RADIAL_BEST.toString(),"0.");
defaults.put(Strategy.RADIAL_REGRET.toString(),".5");
defaults.put(Strategy.RANDOM_BEST.toString(),".5");
defaults.put(Strategy.RANDOM_REGRET.toString(),".5");
defaults.put(Strategy.WORST_BEST.toString(),"0.");
defaults.put(Strategy.WORST_REGRET.toString(),"1.");
defaults.put(Strategy.CLUSTER_BEST.toString(),"0.");
defaults.put(Strategy.CLUSTER_REGRET.toString(),"1.");
defaults.put(Parameter.FIXED_COST_PARAM.toString(),"0.");
defaults.put(Parameter.VEHICLE_SWITCH.toString(),"true");
defaults.put(Parameter.ITERATIONS.toString(),"2000");
defaults.put(Parameter.REGRET_DISTANCE_SCORER.toString(),".05");
defaults.put(Parameter.REGRET_TIME_WINDOW_SCORER.toString(),"-.1");
defaults.put(Parameter.THREADS.toString(),"1");
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));
defaults.put(Parameter.RADIAL_MIN_SHARE.toString(),String.valueOf(minShare));
defaults.put(Parameter.RADIAL_MAX_SHARE.toString(),String.valueOf(maxShare));
defaults.put(Parameter.WORST_MIN_SHARE.toString(),String.valueOf(minShare));
defaults.put(Parameter.WORST_MAX_SHARE.toString(),String.valueOf(maxShare));
defaults.put(Parameter.CLUSTER_MIN_SHARE.toString(),String.valueOf(minShare));
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 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_MAX_SHARE.toString(),String.valueOf(maxShare_));
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.THRESHOLD_ALPHA.toString(),String.valueOf(0.15));
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_PROB.toString(),String.valueOf(0.2));
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.VEHICLE_SWITCH.toString(),String.valueOf(true));
defaults.put(Parameter.CONSTRUCTION.toString(),Construction.REGRET_INSERTION.toString());
return defaults;
}
@ -188,23 +188,23 @@ public class Jsprit {
return this;
}
public Builder setRandom(Random random) {
public Builder setRandom(Random random){
this.random = random;
return this;
}
public Builder setProperty(String key, String value) {
properties.put(key, value);
public Builder setProperty(String key, String value){
properties.put(key,value);
return this;
}
public Builder setProperty(Parameter parameter, String value) {
setProperty(parameter.toString(), value);
public Builder setProperty(Parameter parameter, String value){
setProperty(parameter.toString(),value);
return this;
}
public Builder setProperty(Strategy strategy, String value) {
setProperty(strategy.toString(), value);
public Builder setProperty(Strategy strategy, String value){
setProperty(strategy.toString(),value);
return this;
}
@ -224,7 +224,7 @@ public class Jsprit {
return this;
}
public VehicleRoutingAlgorithm buildAlgorithm() {
public VehicleRoutingAlgorithm buildAlgorithm(){
return new Jsprit(this).create(vrp);
}
@ -245,15 +245,13 @@ public class Jsprit {
}
public RuinShareFactoryImpl(int minShare, int maxShare) {
if (maxShare < minShare)
throw new IllegalArgumentException("maxShare must be equal or greater than minShare");
if(maxShare < minShare) throw new IllegalArgumentException("maxShare must be equal or greater than minShare");
this.minShare = minShare;
this.maxShare = maxShare;
}
public RuinShareFactoryImpl(int minShare, int maxShare, Random random) {
if (maxShare < minShare)
throw new IllegalArgumentException("maxShare must be equal or greater than minShare");
if(maxShare < minShare) throw new IllegalArgumentException("maxShare must be equal or greater than minShare");
this.minShare = minShare;
this.maxShare = maxShare;
this.random = random;
@ -295,17 +293,18 @@ public class Jsprit {
this.random = builder.random;
}
private VehicleRoutingAlgorithm create(final VehicleRoutingProblem vrp) {
private VehicleRoutingAlgorithm create(final VehicleRoutingProblem vrp){
VehicleFleetManager fm;
if (vrp.getFleetSize().equals(VehicleRoutingProblem.FleetSize.INFINITE)) {
if(vrp.getFleetSize().equals(VehicleRoutingProblem.FleetSize.INFINITE)){
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);
}
if (constraintManager == null) {
constraintManager = new ConstraintManager(vrp, stateManager);
if(constraintManager == null){
constraintManager = new ConstraintManager(vrp,stateManager);
}
double noiseLevel = toDouble(getProperty(Parameter.INSERTION_NOISE_LEVEL.toString()));
@ -317,7 +316,7 @@ public class Jsprit {
JobNeighborhoods jobNeighborhoods = new JobNeighborhoodsFactory().createNeighborhoods(vrp, new AvgServiceAndShipmentDistance(vrp.getTransportCosts()), (int) (vrp.getJobs().values().size() * 0.5));
jobNeighborhoods.initialise();
RuinRadial radial = new RuinRadial(vrp, vrp.getJobs().size(), jobNeighborhoods);
RuinRadial radial = new RuinRadial(vrp,vrp.getJobs().size(),jobNeighborhoods);
radial.setRandom(random);
radial.setRuinShareFactory(new RuinShareFactoryImpl(
toInteger(properties.getProperty(Parameter.RADIAL_MIN_SHARE.toString())),
@ -325,7 +324,7 @@ public class Jsprit {
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.setRuinShareFactory(new RuinShareFactoryImpl(
toInteger(properties.getProperty(Parameter.RANDOM_REGRET_MIN_SHARE.toString())),
@ -333,7 +332,7 @@ public class Jsprit {
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.setRuinShareFactory(new RuinShareFactoryImpl(
toInteger(properties.getProperty(Parameter.RANDOM_BEST_MIN_SHARE.toString())),
@ -341,7 +340,7 @@ public class Jsprit {
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.setRuinShareFactory(new RuinShareFactoryImpl(
toInteger(properties.getProperty(Parameter.WORST_MIN_SHARE.toString())),
@ -354,16 +353,17 @@ public class Jsprit {
worst.setNoiseMaker(new NoiseMaker() {
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()))
* 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.setRuinShareFactory(new RuinShareFactoryImpl(
toInteger(properties.getProperty(Parameter.WORST_MIN_SHARE.toString())),
@ -373,16 +373,16 @@ public class Jsprit {
AbstractInsertionStrategy regret;
final RegretInsertion.DefaultScorer scorer;
if (noThreads == null) {
if(noThreads == null){
noThreads = toInteger(getProperty(Parameter.THREADS.toString()));
}
if (noThreads > 1) {
if (es == null) {
if(noThreads > 1){
if(es == null){
setupExecutorInternally = true;
es = Executors.newFixedThreadPool(noThreads);
}
}
if (es != null) {
if(es != null) {
RegretInsertionConcurrent regretInsertion = (RegretInsertionConcurrent) new InsertionBuilder(vrp, fm, stateManager, constraintManager)
.setInsertionStrategy(InsertionBuilder.Strategy.REGRET)
.setConcurrentMode(es, noThreads)
@ -392,7 +392,8 @@ public class Jsprit {
scorer = getRegretScorer(vrp);
regretInsertion.setScoringFunction(scorer);
regret = regretInsertion;
} else {
}
else {
RegretInsertion regretInsertion = (RegretInsertion) new InsertionBuilder(vrp, fm, stateManager, constraintManager)
.setInsertionStrategy(InsertionBuilder.Strategy.REGRET)
.setAllowVehicleSwitch(toBoolean(getProperty(Parameter.VEHICLE_SWITCH.toString())))
@ -405,14 +406,15 @@ public class Jsprit {
regret.setRandom(random);
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)
.setInsertionStrategy(InsertionBuilder.Strategy.BEST)
.considerFixedCosts(Double.valueOf(properties.getProperty(Parameter.FIXED_COST_PARAM.toString())))
.setAllowVehicleSwitch(toBoolean(getProperty(Parameter.VEHICLE_SWITCH.toString())))
.build();
best = bestInsertion;
} else {
}
else{
BestInsertionConcurrent bestInsertion = (BestInsertionConcurrent) new InsertionBuilder(vrp, fm, stateManager, constraintManager)
.setInsertionStrategy(InsertionBuilder.Strategy.BEST)
.considerFixedCosts(Double.valueOf(properties.getProperty(Parameter.FIXED_COST_PARAM.toString())))
@ -423,11 +425,11 @@ public class Jsprit {
}
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() {
@Override
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()));
schrimpfAcceptance.setInitialThreshold(initialThreshold);
}
@ -435,34 +437,34 @@ public class Jsprit {
};
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));
SearchStrategy radial_best = new SearchStrategy(Strategy.RADIAL_BEST.toString(), new SelectBest(), schrimpfAcceptance, objectiveFunction);
radial_best.addModule(new RuinAndRecreateModule(Strategy.RADIAL_BEST.toString(), best, radial));
SearchStrategy radial_best = new SearchStrategy(Strategy.RADIAL_BEST.toString(),new SelectBest(),schrimpfAcceptance,objectiveFunction);
radial_best.addModule(new RuinAndRecreateModule(Strategy.RADIAL_BEST.toString(),best,radial));
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));
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));
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));
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));
SearchStrategy worst_regret = new SearchStrategy(Strategy.WORST_REGRET.toString(), new SelectBest(), schrimpfAcceptance, objectiveFunction);
worst_regret.addModule(new RuinAndRecreateModule(Strategy.WORST_REGRET.toString(), regret, worst));
SearchStrategy worst_regret = new SearchStrategy(Strategy.WORST_REGRET.toString(),new SelectBest(),schrimpfAcceptance,objectiveFunction);
worst_regret.addModule(new RuinAndRecreateModule(Strategy.WORST_REGRET.toString(),regret,worst));
SearchStrategy worst_best = new SearchStrategy(Strategy.WORST_BEST.toString(), new SelectBest(), schrimpfAcceptance, objectiveFunction);
worst_best.addModule(new RuinAndRecreateModule(Strategy.WORST_BEST.toString(), best, worst));
SearchStrategy worst_best = new SearchStrategy(Strategy.WORST_BEST.toString(),new SelectBest(),schrimpfAcceptance,objectiveFunction);
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);
clusters_regret.addModule(new RuinAndRecreateModule(Strategy.CLUSTER_REGRET.toString(), regret, clusters));
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));
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));
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));
PrettyAlgorithmBuilder prettyBuilder = PrettyAlgorithmBuilder.newInstance(vrp, fm, stateManager, constraintManager);
prettyBuilder.setRandom(random);
if (addCoreConstraints) {
if(addCoreConstraints){
prettyBuilder.addCoreStateAndConstraintStuff();
}
prettyBuilder.withStrategy(radial_regret, toDouble(getProperty(Strategy.RADIAL_REGRET.toString())))
@ -471,11 +473,12 @@ public class Jsprit {
.withStrategy(random_regret, toDouble(getProperty(Strategy.RANDOM_REGRET.toString())))
.withStrategy(worst_best, toDouble(getProperty(Strategy.WORST_BEST.toString())))
.withStrategy(worst_regret, toDouble(getProperty(Strategy.WORST_REGRET.toString())))
.withStrategy(clusters_regret, toDouble(getProperty(Strategy.CLUSTER_REGRET.toString())))
.withStrategy(clusters_best, toDouble(getProperty(Strategy.CLUSTER_BEST.toString())));
if (getProperty(Parameter.CONSTRUCTION.toString()).equals(Construction.BEST_INSERTION.toString())) {
.withStrategy(clusters_regret,toDouble(getProperty(Strategy.CLUSTER_REGRET.toString())))
.withStrategy(clusters_best,toDouble(getProperty(Strategy.CLUSTER_BEST.toString())));
if (getProperty(Parameter.CONSTRUCTION.toString()).equals(Construction.BEST_INSERTION.toString())){
prettyBuilder.constructInitialSolutionWith(best, objectiveFunction);
} else {
}
else{
prettyBuilder.constructInitialSolutionWith(regret, objectiveFunction);
}
@ -501,7 +504,7 @@ public class Jsprit {
private void handleExecutorShutdown(VehicleRoutingAlgorithm vra) {
if (setupExecutorInternally) {
if(setupExecutorInternally){
vra.addListener(new AlgorithmEndsListener() {
@Override
@ -511,7 +514,7 @@ public class Jsprit {
});
}
if (es != null) {
if(es != null) {
Runtime.getRuntime().addShutdownHook(new Thread() {
public void run() {
if (!es.isShutdown()) {
@ -523,7 +526,7 @@ public class Jsprit {
}
}
String getProperty(String key) {
String getProperty(String key){
return properties.getProperty(key);
}
@ -540,20 +543,21 @@ public class Jsprit {
}
private SolutionCostCalculator getObjectiveFunction(final VehicleRoutingProblem vrp, final double maxCosts) {
if (objectiveFunction != null) return objectiveFunction;
if(objectiveFunction != null) return objectiveFunction;
SolutionCostCalculator solutionCostCalculator = new SolutionCostCalculator() {
@Override
public double getCosts(VehicleRoutingProblemSolution solution) {
double costs = 0.;
for (VehicleRoute route : solution.getRoutes()) {
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());
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 += vrp.getTransportCosts().getTransportCost(prevAct.getLocation(),route.getEnd().getLocation(),prevAct.getEndTime(),route.getDriver(),route.getVehicle());
}
costs += solution.getUnassignedJobs().size() * maxCosts * 2;
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));
}
}

99
jsprit-core/src/main/java/jsprit/core/algorithm/recreate/JobInsertionCostsCalculatorBuilder.java
View file

@ -32,6 +32,8 @@ import java.util.ArrayList;
import java.util.List;
public class JobInsertionCostsCalculatorBuilder {
private static class CalculatorPlusListeners {
@ -95,7 +97,7 @@ public class JobInsertionCostsCalculatorBuilder {
/**
* Constructs the builder.
* <p/>
*
* <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.
*
@ -110,11 +112,11 @@ public class JobInsertionCostsCalculatorBuilder {
/**
* Sets activityStates. MUST be set.
*
* @param stateManager
*
* @return
*/
public JobInsertionCostsCalculatorBuilder setStateManager(RouteAndActivityStateGetter stateManager) {
public JobInsertionCostsCalculatorBuilder setStateManager(RouteAndActivityStateGetter stateManager){
this.states = stateManager;
return this;
}
@ -125,7 +127,7 @@ public class JobInsertionCostsCalculatorBuilder {
* @param vehicleRoutingProblem
* @return
*/
public JobInsertionCostsCalculatorBuilder setVehicleRoutingProblem(VehicleRoutingProblem vehicleRoutingProblem) {
public JobInsertionCostsCalculatorBuilder setVehicleRoutingProblem(VehicleRoutingProblem vehicleRoutingProblem){
this.vrp = vehicleRoutingProblem;
return this;
}
@ -136,25 +138,24 @@ public class JobInsertionCostsCalculatorBuilder {
* @param fleetManager
* @return
*/
public JobInsertionCostsCalculatorBuilder setVehicleFleetManager(VehicleFleetManager fleetManager) {
public JobInsertionCostsCalculatorBuilder setVehicleFleetManager(VehicleFleetManager fleetManager){
this.fleetManager = fleetManager;
return this;
}
/**
* Sets a flag to build a calculator based on local calculations.
* <p/>
* <p>Insertion of a job and job-activity is evaluated based on the previous and next activity.
*
* <p>Insertion of a job and job-activity is evaluated based on the previous and next activity.
* @param addDefaultCostCalc
*/
public JobInsertionCostsCalculatorBuilder setLocalLevel(boolean addDefaultCostCalc) {
public JobInsertionCostsCalculatorBuilder setLocalLevel(boolean addDefaultCostCalc){
local = true;
this.addDefaultCostCalc = addDefaultCostCalc;
return this;
}
public JobInsertionCostsCalculatorBuilder setActivityInsertionCostsCalculator(ActivityInsertionCostsCalculator activityInsertionCostsCalculator) {
public JobInsertionCostsCalculatorBuilder setActivityInsertionCostsCalculator(ActivityInsertionCostsCalculator activityInsertionCostsCalculator){
this.activityInsertionCostCalculator = activityInsertionCostsCalculator;
return this;
}
@ -166,7 +167,7 @@ public class JobInsertionCostsCalculatorBuilder {
* @param memory
* @param addDefaultMarginalCostCalc
*/
public JobInsertionCostsCalculatorBuilder setRouteLevel(int forwardLooking, int memory, boolean addDefaultMarginalCostCalc) {
public JobInsertionCostsCalculatorBuilder setRouteLevel(int forwardLooking, int memory, boolean addDefaultMarginalCostCalc){
local = false;
this.forwardLooking = forwardLooking;
this.memory = memory;
@ -179,13 +180,13 @@ public class JobInsertionCostsCalculatorBuilder {
*
* @param weightOfFixedCosts
*/
public JobInsertionCostsCalculatorBuilder considerFixedCosts(double weightOfFixedCosts) {
public JobInsertionCostsCalculatorBuilder considerFixedCosts(double weightOfFixedCosts){
considerFixedCost = true;
this.weightOfFixedCost = weightOfFixedCosts;
return this;
}
public JobInsertionCostsCalculatorBuilder experimentalTimeScheduler(double timeSlice, int neighbors) {
public JobInsertionCostsCalculatorBuilder experimentalTimeScheduler(double timeSlice, int neighbors){
timeScheduling = true;
this.timeSlice = timeSlice;
this.neighbors = neighbors;
@ -198,33 +199,31 @@ public class JobInsertionCostsCalculatorBuilder {
* @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))");
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) {
if(local){
standardLocal = createStandardLocal(vrp, states);
} else {
}
else{
checkServicesOnly();
standardLocal = createStandardRoute(vrp, states, forwardLooking, memory);
standardLocal = createStandardRoute(vrp, states,forwardLooking,memory);
}
baseCalculator = standardLocal.getCalculator();
addAlgorithmListeners(standardLocal.getAlgorithmListener());
addInsertionListeners(standardLocal.getInsertionListener());
if (considerFixedCost) {
if(considerFixedCost){
CalculatorPlusListeners withFixed = createCalculatorConsideringFixedCosts(vrp, baseCalculator, states, weightOfFixedCost);
baseCalculator = withFixed.getCalculator();
addAlgorithmListeners(withFixed.getAlgorithmListener());
addInsertionListeners(withFixed.getInsertionListener());
}
if (timeScheduling) {
if(timeScheduling){
// 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);
calcPlusListeners.getInsertionListener().add(new CalculatesServiceInsertionWithTimeScheduling.KnowledgeInjection(wts));
addInsertionListeners(calcPlusListeners.getInsertionListener());
@ -234,8 +233,8 @@ public class JobInsertionCostsCalculatorBuilder {
}
private void checkServicesOnly() {
for (Job j : vrp.getJobs().values()) {
if (j instanceof Shipment) {
for(Job j : vrp.getJobs().values()){
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" +
"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");
@ -245,25 +244,28 @@ public class JobInsertionCostsCalculatorBuilder {
}
private void addInsertionListeners(List<InsertionListener> list) {
for (InsertionListener iL : list) {
for(InsertionListener iL : list){
insertionListeners.add(iL);
}
}
private void addAlgorithmListeners(List<PrioritizedVRAListener> list) {
for (PrioritizedVRAListener aL : list) {
for(PrioritizedVRAListener aL : list){
algorithmListeners.add(aL);
}
}
private CalculatorPlusListeners createStandardLocal(final VehicleRoutingProblem vrp, RouteAndActivityStateGetter statesManager) {
if (constraintManager == null) throw new IllegalStateException("constraint-manager is null");
private CalculatorPlusListeners createStandardLocal(final VehicleRoutingProblem vrp, RouteAndActivityStateGetter statesManager){
if(constraintManager == null) throw new IllegalStateException("constraint-manager is null");
ActivityInsertionCostsCalculator actInsertionCalc;
if (activityInsertionCostCalculator == null && addDefaultCostCalc) {
actInsertionCalc = new LocalActivityInsertionCostsCalculator(vrp.getTransportCosts(), vrp.getActivityCosts());
} else if (activityInsertionCostCalculator == null && !addDefaultCostCalc) {
actInsertionCalc = new ActivityInsertionCostsCalculator() {
ConfigureLocalActivityInsertionCalculator configLocal = null;
if(activityInsertionCostCalculator == null && addDefaultCostCalc){
actInsertionCalc = new LocalActivityInsertionCostsCalculator(vrp.getTransportCosts(), vrp.getActivityCosts(), statesManager);
configLocal = new ConfigureLocalActivityInsertionCalculator(vrp, (LocalActivityInsertionCostsCalculator) actInsertionCalc);
}
else if(activityInsertionCostCalculator == null && !addDefaultCostCalc){
actInsertionCalc = new ActivityInsertionCostsCalculator(){
@Override
public double getCosts(JobInsertionContext iContext, TourActivity prevAct, TourActivity nextAct, TourActivity newAct,
@ -272,7 +274,8 @@ public class JobInsertionCostsCalculatorBuilder {
}
};
} else {
}
else{
actInsertionCalc = activityInsertionCostCalculator;
}
@ -295,10 +298,14 @@ public class JobInsertionCostsCalculatorBuilder {
switcher.put(Pickup.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);
withFixCost.setWeightOfFixCost(weightOfFixedCosts);
CalculatorPlusListeners calcPlusListeners = new CalculatorPlusListeners(withFixCost);
@ -306,16 +313,17 @@ public class JobInsertionCostsCalculatorBuilder {
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;
if (activityInsertionCostCalculator == null && addDefaultCostCalc) {
if(activityInsertionCostCalculator == null && addDefaultCostCalc){
RouteLevelActivityInsertionCostsEstimator routeLevelActivityInsertionCostsEstimator = new RouteLevelActivityInsertionCostsEstimator(vrp.getTransportCosts(), vrp.getActivityCosts(), activityStates2);
routeLevelActivityInsertionCostsEstimator.setForwardLooking(forwardLooking);
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
public double getCosts(JobInsertionContext iContext, TourActivity prevAct, TourActivity nextAct, TourActivity newAct,
@ -324,7 +332,8 @@ public class JobInsertionCostsCalculatorBuilder {
}
};
} else {
}
else{
routeLevelCostEstimator = activityInsertionCostCalculator;
}
ServiceInsertionOnRouteLevelCalculator jobInsertionCalculator = new ServiceInsertionOnRouteLevelCalculator(vrp.getTransportCosts(), vrp.getActivityCosts(), routeLevelCostEstimator, constraintManager, constraintManager);
@ -340,7 +349,7 @@ public class JobInsertionCostsCalculatorBuilder {
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.setVehicleSwitchAllowed(allowVehicleSwitch);
return vehicleTypeDependentJobInsertionCalculator;

63
jsprit-core/src/main/java/jsprit/core/algorithm/recreate/LocalActivityInsertionCostsCalculator.java
View file

@ -1,3 +1,4 @@
/*******************************************************************************
* Copyright (C) 2014 Stefan Schroeder
*
@ -17,33 +18,43 @@
package jsprit.core.algorithm.recreate;
import jsprit.core.algorithm.state.InternalStates;
import jsprit.core.problem.cost.VehicleRoutingActivityCosts;
import jsprit.core.problem.cost.VehicleRoutingTransportCosts;
import jsprit.core.problem.misc.JobInsertionContext;
import jsprit.core.problem.solution.route.activity.End;
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;
/**
* 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).
* 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.
*
* @author stefan
*
*/
class LocalActivityInsertionCostsCalculator implements ActivityInsertionCostsCalculator {
class LocalActivityInsertionCostsCalculator implements ActivityInsertionCostsCalculator{
private VehicleRoutingTransportCosts routingCosts;
private VehicleRoutingActivityCosts activityCosts;
private double activityCostsWeight = 1.;
public LocalActivityInsertionCostsCalculator(VehicleRoutingTransportCosts routingCosts, VehicleRoutingActivityCosts actCosts) {
private double solutionCompletenessRatio = 1.;
private RouteAndActivityStateGetter stateManager;
public LocalActivityInsertionCostsCalculator(VehicleRoutingTransportCosts routingCosts, VehicleRoutingActivityCosts actCosts, RouteAndActivityStateGetter stateManager) {
super();
this.routingCosts = routingCosts;
this.activityCosts = actCosts;
this.stateManager = stateManager;
}
@Override
@ -53,34 +64,50 @@ class LocalActivityInsertionCostsCalculator implements ActivityInsertionCostsCal
double tp_time_prevAct_newAct = routingCosts.getTransportTime(prevAct.getLocation(), newAct.getLocation(), depTimeAtPrevAct, iFacts.getNewDriver(), iFacts.getNewVehicle());
double newAct_arrTime = depTimeAtPrevAct + tp_time_prevAct_newAct;
double newAct_endTime = CalculationUtils.getActivityEndTime(newAct_arrTime, newAct);
double act_costs_newAct = activityCosts.getActivityCost(newAct, newAct_arrTime, iFacts.getNewDriver(), iFacts.getNewVehicle());
//open routes
if (nextAct instanceof End) {
if (!iFacts.getNewVehicle().isReturnToDepot()) {
return tp_costs_prevAct_newAct;
}
}
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 + act_costs_newAct + act_costs_nextAct;
double oldCosts;
if (iFacts.getRoute().isEmpty()) {
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());
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 {
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 = routingCosts.getTransportTime(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());
oldCosts = tp_costs_prevAct_nextAct + actCost_nextAct;
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;
}
}

26
jsprit-core/src/main/java/jsprit/core/algorithm/recreate/VehicleTypeDependentJobInsertionCalculator.java
View file

@ -33,7 +33,7 @@ import java.util.HashSet;
import java.util.Set;
final class VehicleTypeDependentJobInsertionCalculator implements JobInsertionCostsCalculator {
final class VehicleTypeDependentJobInsertionCalculator implements JobInsertionCostsCalculator{
private Logger logger = LogManager.getLogger(VehicleTypeDependentJobInsertionCalculator.class);
@ -47,10 +47,11 @@ final class VehicleTypeDependentJobInsertionCalculator implements JobInsertionCo
/**
* 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
* 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.
*
*/
private boolean vehicleSwitchAllowed = false;
@ -59,12 +60,12 @@ final class VehicleTypeDependentJobInsertionCalculator implements JobInsertionCo
this.insertionCalculator = jobInsertionCalc;
this.vrp = vrp;
getInitialVehicleIds();
logger.debug("initialise {}", this);
logger.debug("initialise " + this);
}
private void getInitialVehicleIds() {
Collection<VehicleRoute> initialVehicleRoutes = vrp.getInitialVehicleRoutes();
for (VehicleRoute initialRoute : initialVehicleRoutes) {
for(VehicleRoute initialRoute : initialVehicleRoutes){
initialVehicleIds.add(initialRoute.getVehicle().getId());
}
}
@ -88,7 +89,7 @@ final class VehicleTypeDependentJobInsertionCalculator implements JobInsertionCo
* @param vehicleSwitchAllowed the vehicleSwitchAllowed to set
*/
public void setVehicleSwitchAllowed(boolean vehicleSwitchAllowed) {
logger.debug("set vehicleSwitchAllowed to {}", vehicleSwitchAllowed);
logger.debug("set vehicleSwitchAllowed to " + vehicleSwitchAllowed);
this.vehicleSwitchAllowed = vehicleSwitchAllowed;
}
@ -98,23 +99,24 @@ final class VehicleTypeDependentJobInsertionCalculator implements JobInsertionCo
InsertionData bestIData = InsertionData.createEmptyInsertionData();
double bestKnownCost_ = bestKnownCost;
Collection<Vehicle> relevantVehicles = new ArrayList<Vehicle>();
if (!(selectedVehicle instanceof NoVehicle)) {
if(!(selectedVehicle instanceof NoVehicle)) {
relevantVehicles.add(selectedVehicle);
if (vehicleSwitchAllowed && !isVehicleWithInitialRoute(selectedVehicle)) {
if(vehicleSwitchAllowed && !isVehicleWithInitialRoute(selectedVehicle)){
relevantVehicles.addAll(fleetManager.getAvailableVehicles(selectedVehicle));
}
} else { //if no vehicle has been assigned, i.e. it is an empty route
}
else{ //if no vehicle has been assigned, i.e. it is an empty route
relevantVehicles.addAll(fleetManager.getAvailableVehicles());
}
for (Vehicle v : relevantVehicles) {
for(Vehicle v : relevantVehicles){
double depTime;
if (v == selectedVehicle) depTime = currentRoute.getDepartureTime();
if(v == selectedVehicle) depTime = currentRoute.getDepartureTime();
else depTime = v.getEarliestDeparture();
InsertionData iData = insertionCalculator.getInsertionData(currentRoute, jobToInsert, v, depTime, selectedDriver, bestKnownCost_);
if (iData instanceof NoInsertionFound) {
if(iData instanceof NoInsertionFound) {
continue;
}
if (iData.getInsertionCost() < bestKnownCost_) {
if(iData.getInsertionCost() < bestKnownCost_){
bestIData = iData;
bestKnownCost_ = iData.getInsertionCost();
}

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 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() {}
}

30
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.cost.VehicleRoutingTransportCosts;
import jsprit.core.problem.solution.route.RouteVisitor;
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.vehicle.Vehicle;
import java.util.Arrays;
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 {
@ -64,23 +75,23 @@ public class UpdateVehicleDependentPracticalTimeWindows implements ReverseActivi
location_of_prevAct = new Location[stateManager.getMaxIndexOfVehicleTypeIdentifiers() + 1];
}
public void setVehiclesToUpdate(VehiclesToUpdate vehiclesToUpdate) {
public void setVehiclesToUpdate(VehiclesToUpdate vehiclesToUpdate){
this.vehiclesToUpdate = vehiclesToUpdate;
}
@Override
public void begin(VehicleRoute route) {
this.route = route;
vehicles = vehiclesToUpdate.get(route);
for (Vehicle vehicle : vehicles) {
for(Vehicle vehicle : vehicles){
latest_arrTimes_at_prevAct[vehicle.getVehicleTypeIdentifier().getIndex()] = vehicle.getLatestArrival();
location_of_prevAct[vehicle.getVehicleTypeIdentifier().getIndex()] = vehicle.getEndLocation();
}
}
@Override
public void visit(TourActivity activity) {
for (Vehicle vehicle : vehicles) {
for(Vehicle vehicle : vehicles){
double latestArrTimeAtPrevAct = latest_arrTimes_at_prevAct[vehicle.getVehicleTypeIdentifier().getIndex()];
Location prevLocation = location_of_prevAct[vehicle.getVehicleTypeIdentifier().getIndex()];
double potentialLatestArrivalTimeAtCurrAct = latestArrTimeAtPrevAct - transportCosts.getBackwardTransportTime(activity.getLocation(), prevLocation,
@ -92,9 +103,8 @@ public class UpdateVehicleDependentPracticalTimeWindows implements ReverseActivi
}
}
@Override
public void finish() {
}
public void finish() {}
}

199
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.VehicleRoutingTransportCosts;
import jsprit.core.problem.driver.Driver;
import jsprit.core.problem.cost.WaitingTimeCosts;
import jsprit.core.problem.job.Job;
import jsprit.core.problem.job.Service;
import jsprit.core.problem.job.Shipment;
@ -41,15 +41,18 @@ import java.util.*;
/**
* Contains and defines the vehicle routing problem.
* <p/>
*
* <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/>
*
* <p>By default, fleetSize is INFINITE, transport-costs are calculated as euclidean-distance (CrowFlyCosts),
* and activity-costs are set to zero.
*
*
*
* @author stefan schroeder
*
*/
public class VehicleRoutingProblem {
@ -57,38 +60,26 @@ public class VehicleRoutingProblem {
* Builder to build the routing-problem.
*
* @author stefan schroeder
*
*/
public static class Builder {
/**
* Returns a new instance of this builder.
*
* @return builder
*/
public static Builder newInstance() {
return new Builder();
}
public static Builder newInstance(){ return new Builder(); }
private VehicleRoutingTransportCosts transportCosts;
private VehicleRoutingActivityCosts activityCosts = new VehicleRoutingActivityCosts() {
private VehicleRoutingActivityCosts activityCosts = new WaitingTimeCosts();
@Override
public double getActivityCost(TourActivity tourAct, double arrivalTime, Driver driver, Vehicle vehicle) {
return 0;
}
private Map<String,Job> jobs = new LinkedHashMap<String, Job>();
@Override
public String toString() {
return "[name=defaultActivityCosts]";
}
};
private Map<String, Job> jobs = new LinkedHashMap<String, Job>();
private Map<String, Job> tentativeJobs = new LinkedHashMap<String, Job>();
private Map<String,Job> tentativeJobs = new LinkedHashMap<String,Job>();
private Set<String> jobsInInitialRoutes = new HashSet<String>();
@ -107,9 +98,10 @@ public class VehicleRoutingProblem {
@Override
public List<AbstractActivity> createActivities(Job job) {
List<AbstractActivity> acts = new ArrayList<AbstractActivity>();
if (job instanceof Service) {
if(job instanceof Service){
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.createDelivery((Shipment) job));
}
@ -126,43 +118,42 @@ public class VehicleRoutingProblem {
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 DefaultTourActivityFactory serviceActivityFactory = new DefaultTourActivityFactory();
private void incJobIndexCounter() {
private void incJobIndexCounter(){
jobIndexCounter++;
}
private void incActivityIndexCounter() {
private void incActivityIndexCounter(){
activityIndexCounter++;
}
private void incVehicleTypeIdIndexCounter() {
vehicleTypeIdIndexCounter++;
}
private void incVehicleTypeIdIndexCounter() { vehicleTypeIdIndexCounter++; }
/**
* Returns the unmodifiable map of collected locations (mapped by their location-id).
*
* @return map with locations
*/
public Map<String, Coordinate> getLocationMap() {
public Map<String,Coordinate> getLocationMap(){
return Collections.unmodifiableMap(tentative_coordinates);
}
/**
* Returns the locations collected SO FAR by this builder.
* <p/>
*
* <p>Locations are cached when adding a shipment, service, depot, vehicle.
*
* @return locations
*/
public Locations getLocations() {
*
**/
public Locations getLocations(){
return new Locations() {
@Override
@ -180,7 +171,7 @@ public class VehicleRoutingProblem {
* @return builder
* @see VehicleRoutingTransportCosts
*/
public Builder setRoutingCost(VehicleRoutingTransportCosts costs) {
public Builder setRoutingCost(VehicleRoutingTransportCosts costs){
this.transportCosts = costs;
return this;
}
@ -188,20 +179,20 @@ public class VehicleRoutingProblem {
/**
* Sets the type of fleetSize.
* <p/>
*
* <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
* @return this builder
*/
public Builder setFleetSize(FleetSize fleetSize) {
public Builder setFleetSize(FleetSize fleetSize){
this.fleetSize = fleetSize;
return this;
}
/**
* 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.
*
* @param job job to be added
@ -211,13 +202,13 @@ public class VehicleRoutingProblem {
*/
@Deprecated
public Builder addJob(Job job) {
if (!(job instanceof AbstractJob)) throw new IllegalArgumentException("job must be of type AbstractJob");
return addJob((AbstractJob) job);
if(!(job instanceof AbstractJob)) throw new IllegalArgumentException("job must be of type AbstractJob");
return addJob((AbstractJob)job);
}
/**
* 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.
*
* @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.
*/
public Builder addJob(AbstractJob job) {
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)");
if (!(job instanceof Service || job instanceof Shipment))
throw new IllegalStateException("job must be either a service or a shipment");
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)");
if(!(job instanceof Service || job instanceof Shipment)) throw new IllegalStateException("job must be either a service or a shipment");
job.setIndex(jobIndexCounter);
incJobIndexCounter();
tentativeJobs.put(job.getId(), job);
@ -237,25 +226,27 @@ public class VehicleRoutingProblem {
}
private void addLocationToTentativeLocations(Job job) {
if (job instanceof Service) {
tentative_coordinates.put(((Service) job).getLocation().getId(), ((Service) job).getLocation().getCoordinate());
} else if (job instanceof Shipment) {
Shipment shipment = (Shipment) job;
if(job instanceof Service) {
tentative_coordinates.put(((Service)job).getLocation().getId(), ((Service)job).getLocation().getCoordinate());
}
else if(job instanceof Shipment){
Shipment shipment = (Shipment)job;
tentative_coordinates.put(shipment.getPickupLocation().getId(), shipment.getPickupLocation().getCoordinate());
tentative_coordinates.put(shipment.getDeliveryLocation().getId(), shipment.getDeliveryLocation().getCoordinate());
}
}
private void addJobToFinalJobMapAndCreateActivities(Job job) {
if (job instanceof Service) {
private void addJobToFinalJobMapAndCreateActivities(Job job){
if(job instanceof Service) {
Service service = (Service) job;
addService(service);
} else if (job instanceof Shipment) {
Shipment shipment = (Shipment) job;
}
else if(job instanceof Shipment){
Shipment shipment = (Shipment)job;
addShipment(shipment);
}
List<AbstractActivity> jobActs = jobActivityFactory.createActivities(job);
for (AbstractActivity act : jobActs) {
for(AbstractActivity act : jobActs){
act.setIndex(activityIndexCounter);
incActivityIndexCounter();
}
@ -269,13 +260,13 @@ public class VehicleRoutingProblem {
* @param route initial route
* @return the builder
*/
public Builder addInitialVehicleRoute(VehicleRoute route) {
addVehicle((AbstractVehicle) route.getVehicle());
for (TourActivity act : route.getActivities()) {
public Builder addInitialVehicleRoute(VehicleRoute route){
addVehicle((AbstractVehicle)route.getVehicle());
for(TourActivity act : route.getActivities()){
AbstractActivity abstractAct = (AbstractActivity) act;
abstractAct.setIndex(activityIndexCounter);
incActivityIndexCounter();
if (act instanceof TourActivity.JobActivity) {
if(act instanceof TourActivity.JobActivity) {
Job job = ((TourActivity.JobActivity) act).getJob();
jobsInInitialRoutes.add(job.getId());
registerLocation(job);
@ -287,8 +278,7 @@ public class VehicleRoutingProblem {
}
private void registerLocation(Job job) {
if (job instanceof Service)
tentative_coordinates.put(((Service) job).getLocation().getId(), ((Service) job).getLocation().getCoordinate());
if (job instanceof Service) tentative_coordinates.put(((Service) job).getLocation().getId(), ((Service) job).getLocation().getCoordinate());
if (job instanceof Shipment) {
Shipment shipment = (Shipment) job;
tentative_coordinates.put(shipment.getPickupLocation().getId(), shipment.getPickupLocation().getCoordinate());
@ -297,11 +287,11 @@ public class VehicleRoutingProblem {
}
private void registerJobAndActivity(AbstractActivity abstractAct, Job job) {
if (activityMap.containsKey(job)) activityMap.get(job).add(abstractAct);
else {
if(activityMap.containsKey(job)) activityMap.get(job).add(abstractAct);
else{
List<AbstractActivity> actList = new ArrayList<AbstractActivity>();
actList.add(abstractAct);
activityMap.put(job, actList);
activityMap.put(job,actList);
}
}
@ -311,61 +301,61 @@ public class VehicleRoutingProblem {
* @param routes initial routes
* @return the builder
*/
public Builder addInitialVehicleRoutes(Collection<VehicleRoute> routes) {
for (VehicleRoute r : routes) {
public Builder addInitialVehicleRoutes(Collection<VehicleRoute> routes){
for(VehicleRoute r : routes){
addInitialVehicleRoute(r);
}
return this;
}
private void addShipment(Shipment job) {
if (jobs.containsKey(job.getId())) {
logger.warn("job {} already in job list. overrides existing job.", job);
}
if(jobs.containsKey(job.getId())){ logger.warn("job " + job + " already in job list. overrides existing job."); }
tentative_coordinates.put(job.getPickupLocation().getId(), job.getPickupLocation().getCoordinate());
tentative_coordinates.put(job.getDeliveryLocation().getId(), job.getDeliveryLocation().getCoordinate());
jobs.put(job.getId(), job);
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);
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
* @return this builder
*/
public Builder addVehicle(AbstractVehicle vehicle) {
if (!uniqueVehicles.contains(vehicle)) {
if(!uniqueVehicles.contains(vehicle)){
vehicle.setIndex(vehicleIndexCounter);
incVehicleIndexCounter();
}
if (typeKeyIndices.containsKey(vehicle.getVehicleTypeIdentifier())) {
if(typeKeyIndices.containsKey(vehicle.getVehicleTypeIdentifier())){
vehicle.getVehicleTypeIdentifier().setIndex(typeKeyIndices.get(vehicle.getVehicleTypeIdentifier()));
} else {
}
else {
vehicle.getVehicleTypeIdentifier().setIndex(vehicleTypeIdIndexCounter);
typeKeyIndices.put(vehicle.getVehicleTypeIdentifier(), vehicleTypeIdIndexCounter);
typeKeyIndices.put(vehicle.getVehicleTypeIdentifier(),vehicleTypeIdIndexCounter);
incVehicleTypeIdIndexCounter();
}
uniqueVehicles.add(vehicle);
if (!vehicleTypes.contains(vehicle.getType())) {
if(!vehicleTypes.contains(vehicle.getType())){
vehicleTypes.add(vehicle.getType());
}
String startLocationId = vehicle.getStartLocation().getId();
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());
}
return this;
@ -377,30 +367,30 @@ public class VehicleRoutingProblem {
/**
* Sets the activity-costs.
* <p/>
*
* <p>By default it is set to zero.
*
* @param activityCosts activity costs of the problem
* @return this builder
* @see VehicleRoutingActivityCosts
*/
public Builder setActivityCosts(VehicleRoutingActivityCosts activityCosts) {
public Builder setActivityCosts(VehicleRoutingActivityCosts activityCosts){
this.activityCosts = activityCosts;
return this;
}
/**
* Builds the {@link VehicleRoutingProblem}.
* <p/>
*
* <p>If {@link VehicleRoutingTransportCosts} are not set, {@link CrowFlyCosts} is used.
*
* @return {@link VehicleRoutingProblem}
*/
public VehicleRoutingProblem build() {
if (transportCosts == null) {
if(transportCosts == null){
transportCosts = new CrowFlyCosts(getLocations());
}
for (Job job : tentativeJobs.values())
for(Job job : tentativeJobs.values())
if (!jobsInInitialRoutes.contains(job.getId())) {
addJobToFinalJobMapAndCreateActivities(job);
}
@ -421,7 +411,7 @@ public class VehicleRoutingProblem {
*/
@SuppressWarnings("deprecation")
public Builder addAllJobs(Collection<? extends Job> jobs) {
for (Job j : jobs) {
for(Job j : jobs){
addJob(j);
}
return this;
@ -435,7 +425,7 @@ public class VehicleRoutingProblem {
*/
@SuppressWarnings("deprecation")
public Builder addAllVehicles(Collection<? extends Vehicle> vehicles) {
for (Vehicle v : vehicles) {
for(Vehicle v : vehicles){
addVehicle(v);
}
return this;
@ -446,7 +436,7 @@ public class VehicleRoutingProblem {
*
* @return collection of vehicles
*/
public Collection<Vehicle> getAddedVehicles() {
public Collection<Vehicle> getAddedVehicles(){
return Collections.unmodifiableCollection(uniqueVehicles);
}
@ -455,7 +445,7 @@ public class VehicleRoutingProblem {
*
* @return collection of vehicle-types
*/
public Collection<VehicleType> getAddedVehicleTypes() {
public Collection<VehicleType> getAddedVehicleTypes(){
return Collections.unmodifiableCollection(vehicleTypes);
}
@ -464,7 +454,7 @@ public class VehicleRoutingProblem {
*
* @return collection of jobs
*/
public Collection<Job> getAddedJobs() {
public Collection<Job> getAddedJobs(){
return Collections.unmodifiableCollection(tentativeJobs.values());
}
@ -478,12 +468,13 @@ public class VehicleRoutingProblem {
}
}
}
/**
* Enum that characterizes the fleet-size.
*
* @author sschroeder
*
*/
public static enum FleetSize {
FINITE, INFINITE
@ -529,7 +520,7 @@ public class VehicleRoutingProblem {
private final Locations locations;
private Map<Job, List<AbstractActivity>> activityMap;
private Map<Job,List<AbstractActivity>> activityMap;
private int nuActivities;
@ -545,7 +536,7 @@ public class VehicleRoutingProblem {
private VehicleRoutingProblem(Builder builder) {
this.jobs = builder.jobs;
this.fleetSize = builder.fleetSize;
this.vehicles = builder.uniqueVehicles;
this.vehicles=builder.uniqueVehicles;
this.vehicleTypes = builder.vehicleTypes;
this.initialVehicleRoutes = builder.initialRoutes;
this.transportCosts = builder.transportCosts;
@ -564,7 +555,7 @@ public class VehicleRoutingProblem {
/**
* Returns type of fleetSize, either INFINITE or FINITE.
* <p/>
*
* <p>By default, it is INFINITE.
*
* @return either FleetSize.INFINITE or FleetSize.FINITE
@ -587,9 +578,9 @@ public class VehicleRoutingProblem {
*
* @return copied collection of initial vehicle routes
*/
public Collection<VehicleRoute> getInitialVehicleRoutes() {
public Collection<VehicleRoute> getInitialVehicleRoutes(){
Collection<VehicleRoute> copiedInitialRoutes = new ArrayList<VehicleRoute>();
for (VehicleRoute route : initialVehicleRoutes) {
for(VehicleRoute route : initialVehicleRoutes){
copiedInitialRoutes.add(VehicleRoute.copyOf(route));
}
return copiedInitialRoutes;
@ -601,7 +592,7 @@ public class VehicleRoutingProblem {
* @return unmodifiable collection of types
* @see VehicleTypeImpl
*/
public Collection<VehicleType> getTypes() {
public Collection<VehicleType> getTypes(){
return Collections.unmodifiableCollection(vehicleTypes);
}
@ -629,14 +620,14 @@ public class VehicleRoutingProblem {
/**
* Returns activityCosts.
*/
public VehicleRoutingActivityCosts getActivityCosts() {
public VehicleRoutingActivityCosts getActivityCosts(){
return activityCosts;
}
/**
* @return returns all location, i.e. from vehicles and jobs.
*/
public Locations getLocations() {
public Locations getLocations(){
return locations;
}
@ -644,21 +635,19 @@ public class VehicleRoutingProblem {
* @param job for which the corresponding activities needs to be returned
* @return associated activities
*/
public List<AbstractActivity> getActivities(Job job) {
public List<AbstractActivity> getActivities(Job job){
return Collections.unmodifiableList(activityMap.get(job));
}
/**
* @return total number of activities
*/
public int getNuActivities() {
return nuActivities;
}
public int getNuActivities(){ return nuActivities; }
/**
* @return factory that creates the activities associated to a job
*/
public JobActivityFactory getJobActivityFactory() {
public JobActivityFactory getJobActivityFactory(){
return jobActivityFactory;
}
@ -666,9 +655,9 @@ public class VehicleRoutingProblem {
* @param job for which the corresponding activities needs to be returned
* @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>();
if (activityMap.containsKey(job)) {
if(activityMap.containsKey(job)) {
for (AbstractActivity act : activityMap.get(job)) acts.add((AbstractActivity) act.duplicate());
}
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;
}
}

22
jsprit-core/src/main/java/jsprit/core/problem/vehicle/InfiniteVehicles.java
View file

@ -25,17 +25,19 @@ import java.util.HashMap;
import java.util.Map;
class InfiniteVehicles implements VehicleFleetManager {
class InfiniteVehicles implements VehicleFleetManager{
private static Logger logger = LogManager.getLogger(InfiniteVehicles.class);
private Map<VehicleTypeKey, Vehicle> types = new HashMap<VehicleTypeKey, Vehicle>();
private Map<VehicleTypeKey,Vehicle> types = new HashMap<VehicleTypeKey, Vehicle>();
// private List<VehicleTypeKey> sortedTypes = new ArrayList<VehicleTypeKey>();
public InfiniteVehicles(Collection<Vehicle> vehicles) {
public InfiniteVehicles(Collection<Vehicle> vehicles){
extractTypes(vehicles);
logger.debug("initialise {}", this);
logger.debug("initialise " + this);
}
@Override
@ -44,9 +46,9 @@ class InfiniteVehicles implements VehicleFleetManager {
}
private void extractTypes(Collection<Vehicle> vehicles) {
for (Vehicle v : vehicles) {
VehicleTypeKey typeKey = new VehicleTypeKey(v.getType().getTypeId(), v.getStartLocation().getId(), v.getEndLocation().getId(), v.getEarliestDeparture(), v.getLatestArrival(), v.getSkills());
types.put(typeKey, v);
for(Vehicle v : vehicles){
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);
// sortedTypes.add(typeKey);
}
}
@ -81,9 +83,9 @@ class InfiniteVehicles implements VehicleFleetManager {
@Override
public Collection<Vehicle> getAvailableVehicles(Vehicle withoutThisType) {
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());
for (VehicleTypeKey key : types.keySet()) {
if (!key.equals(thisKey)) {
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()){
if(!key.equals(thisKey)){
vehicles.add(types.get(key));
}
}

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 Skills getSkills();
}

72
jsprit-core/src/main/java/jsprit/core/problem/vehicle/VehicleFleetManagerImpl.java
View file

@ -25,7 +25,7 @@ import java.util.*;
class VehicleFleetManagerImpl implements VehicleFleetManager {
public VehicleFleetManagerImpl newInstance(Collection<Vehicle> vehicles) {
public VehicleFleetManagerImpl newInstance(Collection<Vehicle> vehicles){
return new VehicleFleetManagerImpl(vehicles);
}
@ -38,14 +38,14 @@ class VehicleFleetManagerImpl implements VehicleFleetManager {
vehicleList = new ArrayList<Vehicle>();
}
void add(Vehicle vehicle) {
if (vehicleList.contains(vehicle)) {
void add(Vehicle vehicle){
if(vehicleList.contains(vehicle)){
throw new IllegalStateException("cannot add vehicle twice " + vehicle.getId());
}
vehicleList.add(vehicle);
}
void remove(Vehicle vehicle) {
void remove(Vehicle vehicle){
vehicleList.remove(vehicle);
}
@ -66,9 +66,9 @@ class VehicleFleetManagerImpl implements VehicleFleetManager {
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) {
@ -76,7 +76,7 @@ class VehicleFleetManagerImpl implements VehicleFleetManager {
this.vehicles = vehicles;
this.lockedVehicles = new HashSet<Vehicle>();
makeMap();
logger.debug("initialise {}", this);
logger.debug("initialise " + this);
}
@Override
@ -87,26 +87,26 @@ class VehicleFleetManagerImpl implements VehicleFleetManager {
private void makeMap() {
typeMapOfAvailableVehicles = new HashMap<VehicleTypeKey, TypeContainer>();
penaltyVehicles = new HashMap<VehicleTypeKey, Vehicle>();
for (Vehicle v : vehicles) {
for(Vehicle v : vehicles){
addVehicle(v);
}
}
private void addVehicle(Vehicle v) {
if (v.getType() == null) {
if(v.getType() == null){
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());
if (!typeMapOfAvailableVehicles.containsKey(typeKey)) {
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)){
typeMapOfAvailableVehicles.put(typeKey, new TypeContainer());
}
typeMapOfAvailableVehicles.get(typeKey).add(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());
if (typeMapOfAvailableVehicles.containsKey(key)) {
private void removeVehicle(Vehicle v){
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)){
typeMapOfAvailableVehicles.get(key).remove(v);
}
}
@ -114,18 +114,19 @@ class VehicleFleetManagerImpl implements VehicleFleetManager {
/**
* 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.
*/
@Override
public Collection<Vehicle> getAvailableVehicles() {
List<Vehicle> vehicles = new ArrayList<Vehicle>();
for (VehicleTypeKey key : typeMapOfAvailableVehicles.keySet()) {
if (!typeMapOfAvailableVehicles.get(key).isEmpty()) {
for(VehicleTypeKey key : typeMapOfAvailableVehicles.keySet()){
if(!typeMapOfAvailableVehicles.get(key).isEmpty()){
vehicles.add(typeMapOfAvailableVehicles.get(key).getVehicle());
} else {
if (penaltyVehicles.containsKey(key)) {
}
else{
if(penaltyVehicles.containsKey(key)){
vehicles.add(penaltyVehicles.get(key));
}
}
@ -136,13 +137,14 @@ class VehicleFleetManagerImpl implements VehicleFleetManager {
@Override
public Collection<Vehicle> getAvailableVehicles(Vehicle withoutThisType) {
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());
for (VehicleTypeKey key : typeMapOfAvailableVehicles.keySet()) {
if (key.equals(thisKey)) continue;
if (!typeMapOfAvailableVehicles.get(key).isEmpty()) {
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()){
if(key.equals(thisKey)) continue;
if(!typeMapOfAvailableVehicles.get(key).isEmpty()){
vehicles.add(typeMapOfAvailableVehicles.get(key).getVehicle());
} else {
if (penaltyVehicles.containsKey(key)) {
}
else{
if(penaltyVehicles.containsKey(key)){
vehicles.add(penaltyVehicles.get(key));
}
}
@ -154,13 +156,13 @@ class VehicleFleetManagerImpl implements VehicleFleetManager {
* @see org.matsim.contrib.freight.vrp.basics.VehicleFleetManager#lock(org.matsim.contrib.freight.vrp.basics.Vehicle)
*/
@Override
public void lock(Vehicle vehicle) {
if (vehicles.isEmpty() || vehicle instanceof NoVehicle) {
public void lock(Vehicle vehicle){
if(vehicles.isEmpty() || vehicle instanceof NoVehicle){
return;
}
boolean locked = lockedVehicles.add(vehicle);
removeVehicle(vehicle);
if (!locked) {
if(!locked){
throw new IllegalStateException("cannot lock vehicle twice " + vehicle.getId());
}
}
@ -169,11 +171,11 @@ class VehicleFleetManagerImpl implements VehicleFleetManager {
* @see org.matsim.contrib.freight.vrp.basics.VehicleFleetManager#unlock(org.matsim.contrib.freight.vrp.basics.Vehicle)
*/
@Override
public void unlock(Vehicle vehicle) {
if (vehicles.isEmpty() || vehicle instanceof NoVehicle) {
public void unlock(Vehicle vehicle){
if(vehicles.isEmpty() || vehicle instanceof NoVehicle){
return;
}
if (vehicle == null) return;
if(vehicle == null) return;
lockedVehicles.remove(vehicle);
addVehicle(vehicle);
}
@ -192,16 +194,16 @@ class VehicleFleetManagerImpl implements VehicleFleetManager {
@Override
public void unlockAll() {
Collection<Vehicle> locked = new ArrayList<Vehicle>(lockedVehicles);
for (Vehicle v : locked) {
for(Vehicle v : locked){
unlock(v);
}
if (!lockedVehicles.isEmpty()) {
if(!lockedVehicles.isEmpty()){
throw new IllegalStateException("no vehicle must be locked");
}
}
@Deprecated
public int sizeOfLockedVehicles() {
public int sizeOfLockedVehicles(){
return lockedVehicles.size();
}

72
jsprit-core/src/main/java/jsprit/core/problem/vehicle/VehicleImpl.java
View file

@ -23,13 +23,17 @@ import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
/**
* Implementation of {@link Vehicle}.
*
* @author stefan schroeder
*
*/
public class VehicleImpl extends AbstractVehicle {
public class VehicleImpl extends AbstractVehicle{
/**
@ -37,6 +41,7 @@ public class VehicleImpl extends AbstractVehicle {
* (to avoid null).
*
* @author schroeder
*
*/
public static class NoVehicle extends AbstractVehicle {
@ -90,12 +95,13 @@ public class VehicleImpl extends AbstractVehicle {
/**
* Builder that builds the vehicle.
* <p/>
*
* <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'
* and a capacity of 0.
*
* @author stefan
*
*/
public static class Builder {
@ -128,44 +134,43 @@ public class VehicleImpl extends AbstractVehicle {
* Sets the {@link VehicleType}.<br>
*
* @param type the type to be set
* @return this builder
* @throws IllegalStateException if type is null
* @return this builder
*/
public Builder setType(VehicleType type) {
if (type == null) throw new IllegalStateException("type cannot be null.");
public Builder setType(VehicleType type){
if(type==null) throw new IllegalStateException("type cannot be null.");
this.type = type;
return this;
}
/**
* 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
* 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.
* <p/>
*
* <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
* @return this builder
*/
public Builder setReturnToDepot(boolean returnToDepot) {
public Builder setReturnToDepot(boolean returnToDepot){
this.returnToDepot = returnToDepot;
return this;
}
/**
* Sets start location.
*
* @param startLocation start location
* @return start location
*/
public Builder setStartLocation(Location startLocation) {
public Builder setStartLocation(Location startLocation){
this.startLocation = startLocation;
return this;
}
public Builder setEndLocation(Location endLocation) {
public Builder setEndLocation(Location endLocation){
this.endLocation = endLocation;
return this;
}
@ -176,7 +181,7 @@ public class VehicleImpl extends AbstractVehicle {
* @param earliest_startTime the earliest start time / departure time of the vehicle at its start location
* @return this builder
*/
public Builder setEarliestStart(double earliest_startTime) {
public Builder setEarliestStart(double earliest_startTime){
this.earliestStart = earliest_startTime;
return this;
}
@ -187,22 +192,22 @@ public class VehicleImpl extends AbstractVehicle {
* @param latest_arrTime the latest arrival time of the vehicle at its end location
* @return this builder
*/
public Builder setLatestArrival(double latest_arrTime) {
public Builder setLatestArrival(double latest_arrTime){
this.latestArrival = latest_arrTime;
return this;
}
public Builder addSkill(String skill) {
public Builder addSkill(String skill){
skillBuilder.addSkill(skill);
return this;
}
/**
* Builds and returns the vehicle.
* <p/>
*
* <p>if {@link VehicleType} is not set, default vehicle-type is set with id="default" and
* capacity=0
* <p/>
*
* <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])
* <p>if endLocationId is null and endLocationCoordinate is set then endLocationId=endLocationCoordinate.toString()
@ -213,16 +218,15 @@ public class VehicleImpl extends AbstractVehicle {
* @throws IllegalStateException if both locationId and locationCoord is not set or (endLocationCoord!=null AND returnToDepot=false)
* or (endLocationId!=null AND returnToDepot=false)
*/
public VehicleImpl build() {
if (startLocation != null && endLocation != null) {
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>" +
public VehicleImpl build(){
if(startLocation != null && endLocation != null){
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>" +
"if you set endLocation, returnToDepot must be true. if returnToDepot is false, endLocationCoord must not be specified.");
}
if (startLocation != null && endLocation == null) {
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");
}
skills = skillBuilder.build();
@ -235,9 +239,7 @@ public class VehicleImpl extends AbstractVehicle {
* @param vehicleId the id of the vehicle which must be a unique identifier among all vehicles
* @return vehicle builder
*/
public static Builder newInstance(String vehicleId) {
return new Builder(vehicleId);
}
public static Builder newInstance(String vehicleId){ return new Builder(vehicleId); }
public Builder addSkills(Skills skills) {
this.skillBuilder.addAllSkills(skills.values());
@ -247,12 +249,12 @@ public class VehicleImpl extends AbstractVehicle {
/**
* 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}
*
* @return emptyVehicle
*/
public static NoVehicle createNoVehicle() {
public static NoVehicle createNoVehicle(){
return new NoVehicle();
}
@ -272,7 +274,7 @@ public class VehicleImpl extends AbstractVehicle {
private final Location startLocation;
private VehicleImpl(Builder builder) {
private VehicleImpl(Builder builder){
id = builder.id;
type = builder.type;
earliestDeparture = builder.earliestStart;
@ -281,22 +283,22 @@ public class VehicleImpl extends AbstractVehicle {
skills = builder.skills;
endLocation = builder.endLocation;
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
* <p/>
*
* <p>String has the following format [attr1=val1][attr2=val2]...[attrn=valn]
*/
@Override
public String toString() {
return "[id=" + id + "]" +
"[type=" + type + "]" +
"[startLocation=" + startLocation + "]" +
"[endLocation=" + endLocation + "]" +
return "[id="+id+"]" +
"[type="+type+"]" +
"[startLocation="+startLocation+"]" +
"[endLocation=" + endLocation+"]" +
"[isReturnToDepot=" + isReturnToDepot() + "]" +
"[skills=" + skills + "]";
"[skills="+ skills + "]";
}
@ -377,4 +379,6 @@ public class VehicleImpl extends AbstractVehicle {
}
}

120
jsprit-core/src/main/java/jsprit/core/problem/vehicle/VehicleTypeImpl.java
View file

@ -21,10 +21,11 @@ import jsprit.core.problem.Capacity;
/**
* Implementation of {@link VehicleType}.
* <p/>
*
* <p>Two vehicle-types are equal if they have the same typeId.
*
* @author schroeder
*
*/
public class VehicleTypeImpl implements VehicleType {
@ -32,27 +33,41 @@ public class VehicleTypeImpl implements VehicleType {
* CostParameter consisting of fixed cost parameter, time-based cost parameter and distance-based cost parameter.
*
* @author schroeder
*
*/
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);
}
public final double fix;
@Deprecated
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();
this.fix = fix;
this.perTimeUnit = perTimeUnit;
this.perTransportTimeUnit = perTimeUnit;
this.perDistanceUnit = perDistanceUnit;
this.perWaitingTimeUnit = 0.;
}
public VehicleCostParams(double fix, double perTimeUnit, double perDistanceUnit, double perWaitingTimeUnit) {
this.fix = fix;
this.perTimeUnit = perTimeUnit;
this.perTransportTimeUnit = perTimeUnit;
this.perDistanceUnit = perDistanceUnit;
this.perWaitingTimeUnit = perWaitingTimeUnit;
}
@Override
public String toString() {
return "[fixed=" + fix + "][perTime=" + perTimeUnit + "][perDistance=" + perDistanceUnit + "]";
return "[fixed="+fix+"][perTime="+perTransportTimeUnit+"][perDistance="+perDistanceUnit+"][perWaitingTimeUnit="+perWaitingTimeUnit+"]";
}
}
@ -60,11 +75,14 @@ public class VehicleTypeImpl implements VehicleType {
* Builder that builds the vehicle-type.
*
* @author schroeder
*
*/
public static class Builder {
public static class Builder{
public static VehicleTypeImpl.Builder newInstance(String id) {
if (id == null) throw new IllegalStateException();
if(id==null) throw new IllegalStateException();
return new Builder(id);
}
@ -77,6 +95,7 @@ public class VehicleTypeImpl implements VehicleType {
private double fixedCost = 0.0;
private double perDistance = 1.0;
private double perTime = 0.0;
private double perWaitingTime = 0.0;
private String profile = "car";
@ -97,15 +116,14 @@ public class VehicleTypeImpl implements VehicleType {
* @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;
public VehicleTypeImpl.Builder setMaxVelocity(double inMeterPerSeconds){
if(inMeterPerSeconds < 0.0) throw new IllegalStateException("velocity cannot be smaller than zero");
this.maxVelo = inMeterPerSeconds; return this;
}
/**
* Sets the fixed costs of the vehicle-type.
* <p/>
*
* <p>by default it is 0.
*
* @param fixedCost
@ -113,48 +131,82 @@ public class VehicleTypeImpl implements VehicleType {
* @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");
if(fixedCost < 0.0) throw new IllegalStateException("fixed costs cannot be smaller than zero");
this.fixedCost = fixedCost;
return this;
}
/**
* Sets the cost per distance unit, for instance € per meter.
* <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");
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.
* <p/>
*
* <p>by default it is 0.0
*
* @param perTime
* @return this builder
* @throws IllegalStateException if costPerTime is smaller than zero
* @deprecated use .setCostPerTransportTime(..) instead
*/
public VehicleTypeImpl.Builder setCostPerTime(double perTime) {
if (perTime < 0.0) throw new IllegalStateException();
@Deprecated
public VehicleTypeImpl.Builder setCostPerTime(double perTime){
if(perTime < 0.0) throw new IllegalStateException();
this.perTime = perTime;
return this;
}
/**
* Sets cost per time unit, for instance € per second.
*
* <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;
}
/**
* Sets cost per waiting time unit, for instance € per second.
*
* <p>by default it is 0.0
*
* @param perWaitingTime
* @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;
}
/**
* Builds the vehicle-type.
*
* @return VehicleTypeImpl
*/
public VehicleTypeImpl build() {
if (capacityDimensions == null) {
public VehicleTypeImpl build(){
if(capacityDimensions == null){
capacityDimensions = capacityBuilder.build();
}
return new VehicleTypeImpl(this);
@ -170,19 +222,18 @@ public class VehicleTypeImpl implements VehicleType {
* @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 " +
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);
capacityBuilder.addDimension(dimIndex,dimVal);
return this;
}
/**
* Sets capacity dimensions.
* <p/>
*
* <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.
@ -191,16 +242,15 @@ public class VehicleTypeImpl implements VehicleType {
* @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 " +
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;
}
public Builder setProfile(String profile) {
public Builder setProfile(String profile){
this.profile = profile;
return this;
}
@ -252,11 +302,11 @@ public class VehicleTypeImpl implements VehicleType {
*
* @param builder
*/
private VehicleTypeImpl(VehicleTypeImpl.Builder builder) {
private VehicleTypeImpl(VehicleTypeImpl.Builder builder){
typeId = builder.id;
capacity = builder.capacity;
maxVelocity = builder.maxVelo;
vehicleCostParams = new VehicleCostParams(builder.fixedCost, builder.perTime, builder.perDistance);
vehicleCostParams = new VehicleCostParams(builder.fixedCost, builder.perTime, builder.perDistance, builder.perWaitingTime);
capacityDimensions = builder.capacityDimensions;
profile = builder.profile;
}
@ -279,8 +329,8 @@ public class VehicleTypeImpl implements VehicleType {
@Override
public String toString() {
return "[typeId=" + typeId + "]" +
"[capacity=" + capacityDimensions + "]" +
return "[typeId="+typeId+"]" +
"[capacity="+capacityDimensions+"]" +
"[costs=" + vehicleCostParams + "]";
}
@ -295,8 +345,6 @@ public class VehicleTypeImpl implements VehicleType {
}
@Override
public String getProfile() {
return profile;
}
public String getProfile(){ return profile; }
}

14
jsprit-core/src/main/java/jsprit/core/problem/vehicle/VehicleTypeKey.java
View file

@ -23,12 +23,13 @@ import jsprit.core.problem.Skills;
/**
* 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.
*
* @author stefan
*
*/
public class VehicleTypeKey extends AbstractVehicle.AbstractTypeKey {
public class VehicleTypeKey extends AbstractVehicle.AbstractTypeKey{
public final String type;
public final String startLocationId;
@ -36,8 +37,9 @@ public class VehicleTypeKey extends AbstractVehicle.AbstractTypeKey {
public final double earliestStart;
public final double latestEnd;
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();
this.type = typeId;
this.startLocationId = startLocationId;
@ -45,17 +47,19 @@ public class VehicleTypeKey extends AbstractVehicle.AbstractTypeKey {
this.earliestStart = earliestStart;
this.latestEnd = latestEnd;
this.skills = skills;
this.returnToDepot=returnToDepot;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof VehicleTypeKey)) return false;
if (o == null || getClass() != o.getClass()) return false;
VehicleTypeKey that = (VehicleTypeKey) o;
if (Double.compare(that.earliestStart, earliestStart) != 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 (!skills.equals(that.skills)) return false;
if (!startLocationId.equals(that.startLocationId)) return false;
@ -76,6 +80,7 @@ public class VehicleTypeKey extends AbstractVehicle.AbstractTypeKey {
temp = Double.doubleToLongBits(latestEnd);
result = 31 * result + (int) (temp ^ (temp >>> 32));
result = 31 * result + skills.hashCode();
result = 31 * result + (returnToDepot ? 1 : 0);
return result;
}
@ -88,4 +93,5 @@ public class VehicleTypeKey extends AbstractVehicle.AbstractTypeKey {
}
}

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());
}
}

12
jsprit-core/src/test/java/jsprit/core/algorithm/recreate/ServiceInsertionAndLoadConstraintsTest.java
View file

@ -56,10 +56,10 @@ public class ServiceInsertionAndLoadConstraintsTest {
VehicleRoutingTransportCosts routingCosts;
VehicleRoutingActivityCosts activityCosts = new VehicleRoutingActivityCosts() {
VehicleRoutingActivityCosts activityCosts = new VehicleRoutingActivityCosts(){
@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;
}
@ -68,12 +68,12 @@ public class ServiceInsertionAndLoadConstraintsTest {
HardActivityConstraint hardActivityLevelConstraint = new HardActivityConstraint() {
@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;
}
};
HardRouteConstraint hardRouteLevelConstraint = new HardRouteConstraint() {
HardRouteConstraint hardRouteLevelConstraint = new HardRouteConstraint(){
@Override
public boolean fulfilled(JobInsertionContext insertionContext) {
@ -91,11 +91,11 @@ public class ServiceInsertionAndLoadConstraintsTest {
Vehicle vehicle;
@Before
public void doBefore() {
public void doBefore(){
routingCosts = CostFactory.createManhattanCosts();
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();
activityInsertionCostsCalculator = new LocalActivityInsertionCostsCalculator(routingCosts, activityCosts);
activityInsertionCostsCalculator = new LocalActivityInsertionCostsCalculator(routingCosts, activityCosts, mock(StateManager.class));
createInsertionCalculator(hardRouteLevelConstraint);
vehicleRoutingProblem = mock(VehicleRoutingProblem.class);
}

78
jsprit-core/src/test/java/jsprit/core/algorithm/recreate/ShipmentInsertionCalculatorTest.java
View file

@ -65,16 +65,16 @@ public class ShipmentInsertionCalculatorTest {
VehicleRoutingProblem vehicleRoutingProblem;
VehicleRoutingActivityCosts activityCosts = new VehicleRoutingActivityCosts() {
VehicleRoutingActivityCosts activityCosts = new VehicleRoutingActivityCosts(){
@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;
}
};
HardRouteConstraint hardRouteLevelConstraint = new HardRouteConstraint() {
HardRouteConstraint hardRouteLevelConstraint = new HardRouteConstraint(){
@Override
public boolean fulfilled(JobInsertionContext insertionContext) {
@ -90,11 +90,11 @@ public class ShipmentInsertionCalculatorTest {
Vehicle vehicle;
@Before
public void doBefore() {
public void doBefore(){
routingCosts = CostFactory.createManhattanCosts();
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();
activityInsertionCostsCalculator = new LocalActivityInsertionCostsCalculator(routingCosts, activityCosts);
activityInsertionCostsCalculator = new LocalActivityInsertionCostsCalculator(routingCosts, activityCosts, mock(StateManager.class));
createInsertionCalculator(hardRouteLevelConstraint);
vehicleRoutingProblem = mock(VehicleRoutingProblem.class);
}
@ -106,7 +106,7 @@ public class ShipmentInsertionCalculatorTest {
}
@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();
VehicleRoute route = VehicleRoute.emptyRoute();
JobActivityFactory activityFactory = mock(JobActivityFactory.class);
@ -116,16 +116,16 @@ public class ShipmentInsertionCalculatorTest {
when(activityFactory.createActivities(shipment)).thenReturn(activities);
insertionCalculator.setJobActivityFactory(activityFactory);
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
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 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();
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);
List<AbstractActivity> activities = new ArrayList<AbstractActivity>();
@ -135,9 +135,9 @@ public class ShipmentInsertionCalculatorTest {
insertionCalculator.setJobActivityFactory(activityFactory);
InsertionData iData = insertionCalculator.getInsertionData(route, shipment2, vehicle, 0.0, null, Double.MAX_VALUE);
assertEquals(0.0, iData.getInsertionCost(), 0.05);
assertEquals(1, iData.getPickupInsertionIndex());
assertEquals(2, iData.getDeliveryInsertionIndex());
assertEquals(0.0,iData.getInsertionCost(),0.05);
assertEquals(1,iData.getPickupInsertionIndex());
assertEquals(2,iData.getDeliveryInsertionIndex());
}
private List<AbstractActivity> getTourActivities(Shipment shipment) {
@ -150,12 +150,12 @@ public class ShipmentInsertionCalculatorTest {
}
@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 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();
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() {
@Override
@ -173,13 +173,13 @@ public class ShipmentInsertionCalculatorTest {
insertionCalculator.setJobActivityFactory(activityFactory);
InsertionData iData = insertionCalculator.getInsertionData(route, shipment2, vehicle, 0.0, null, Double.MAX_VALUE);
assertEquals(InsertionData.createEmptyInsertionData(), iData);
assertEquals(InsertionData.createEmptyInsertionData(),iData);
}
@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 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();
@ -187,9 +187,9 @@ public class ShipmentInsertionCalculatorTest {
VehicleRoute route = VehicleRoute.emptyRoute();
when(vehicleRoutingProblem.copyAndGetActivities(shipment)).thenReturn(getTourActivities(shipment));
when(vehicleRoutingProblem.copyAndGetActivities(shipment2)).thenReturn(getTourActivities(shipment2));
Inserter inserter = new Inserter(new InsertionListeners(), vehicleRoutingProblem);
inserter.insertJob(shipment, new InsertionData(0, 0, 0, vehicle, null), route);
inserter.insertJob(shipment2, new InsertionData(0, 1, 2, vehicle, null), route);
Inserter inserter = new Inserter(new InsertionListeners(),vehicleRoutingProblem );
inserter.insertJob(shipment, new InsertionData(0,0,0,vehicle,null), route);
inserter.insertJob(shipment2, new InsertionData(0,1,2,vehicle,null),route);
JobActivityFactory activityFactory = mock(JobActivityFactory.class);
List<AbstractActivity> activities = new ArrayList<AbstractActivity>();
@ -199,13 +199,13 @@ public class ShipmentInsertionCalculatorTest {
insertionCalculator.setJobActivityFactory(activityFactory);
InsertionData iData = insertionCalculator.getInsertionData(route, shipment3, vehicle, 0.0, null, Double.MAX_VALUE);
assertEquals(0.0, iData.getInsertionCost(), 0.05);
assertEquals(0, iData.getPickupInsertionIndex());
assertEquals(1, iData.getDeliveryInsertionIndex());
assertEquals(0.0,iData.getInsertionCost(),0.05);
assertEquals(0,iData.getPickupInsertionIndex());
assertEquals(1,iData.getDeliveryInsertionIndex());
}
@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 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();
@ -213,8 +213,8 @@ public class ShipmentInsertionCalculatorTest {
when(vehicleRoutingProblem.copyAndGetActivities(shipment2)).thenReturn(getTourActivities(shipment2));
VehicleRoute route = VehicleRoute.emptyRoute();
Inserter inserter = new Inserter(new InsertionListeners(), vehicleRoutingProblem);
inserter.insertJob(shipment, new InsertionData(0, 0, 0, vehicle, null), route);
inserter.insertJob(shipment2, new InsertionData(0, 1, 2, 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);
JobActivityFactory activityFactory = mock(JobActivityFactory.class);
List<AbstractActivity> activities = new ArrayList<AbstractActivity>();
@ -225,13 +225,13 @@ public class ShipmentInsertionCalculatorTest {
InsertionData iData = insertionCalculator.getInsertionData(route, shipment3, vehicle, 0.0, null, Double.MAX_VALUE);
assertEquals(2.0, iData.getInsertionCost(), 0.05);
assertEquals(0, iData.getPickupInsertionIndex());
assertEquals(1, iData.getDeliveryInsertionIndex());
assertEquals(2.0,iData.getInsertionCost(),0.05);
assertEquals(0,iData.getPickupInsertionIndex());
assertEquals(1,iData.getDeliveryInsertionIndex());
}
@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 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();
@ -243,16 +243,16 @@ public class ShipmentInsertionCalculatorTest {
route.setVehicleAndDepartureTime(vehicle, 0.0);
Inserter inserter = new Inserter(new InsertionListeners(), vrp);
inserter.insertJob(shipment, new InsertionData(0, 0, 0, vehicle, null), route);
inserter.insertJob(shipment2, new InsertionData(0, 1, 2, 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);
StateManager stateManager = new StateManager(vrp);
stateManager.updateLoadStates();
stateManager.informInsertionStarts(Arrays.asList(route), null);
ConstraintManager constraintManager = new ConstraintManager(vrp, stateManager);
constraintManager.addConstraint(new PickupAndDeliverShipmentLoadActivityLevelConstraint(stateManager), Priority.CRITICAL);
constraintManager.addConstraint(new ShipmentPickupsFirstConstraint(), Priority.CRITICAL);
ConstraintManager constraintManager = new ConstraintManager(vrp,stateManager);
constraintManager.addConstraint(new PickupAndDeliverShipmentLoadActivityLevelConstraint(stateManager),Priority.CRITICAL);
constraintManager.addConstraint(new ShipmentPickupsFirstConstraint(),Priority.CRITICAL);
ShipmentInsertionCalculator insertionCalculator = new ShipmentInsertionCalculator(routingCosts, activityInsertionCostsCalculator,
constraintManager);
@ -264,7 +264,7 @@ public class ShipmentInsertionCalculatorTest {
}
@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 shipment2 = Shipment.Builder.newInstance("s2").addSizeDimension(0, 1).setPickupLocation(Location.Builder.newInstance().setId("10,10").build()).setDeliveryLocation(Location.newInstance("0,0")).build();
@ -276,14 +276,14 @@ public class ShipmentInsertionCalculatorTest {
Inserter inserter = new Inserter(new InsertionListeners(), vrp);
inserter.insertJob(shipment, new InsertionData(0, 0, 0, vehicle, null), route);
inserter.insertJob(shipment2, new InsertionData(0, 1, 2, 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);
StateManager stateManager = new StateManager(vrp);
stateManager.updateLoadStates();
stateManager.informInsertionStarts(Arrays.asList(route), null);
ConstraintManager constraintManager = new ConstraintManager(vrp, stateManager);
ConstraintManager constraintManager = new ConstraintManager(vrp,stateManager);
constraintManager.addLoadConstraint();
stateManager.informInsertionStarts(Arrays.asList(route), null);
@ -296,7 +296,7 @@ public class ShipmentInsertionCalculatorTest {
switcher.put(Shipment.class, insertionCalculator);
// 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);
List<AbstractActivity> activities = new ArrayList<AbstractActivity>();

42
jsprit-core/src/test/java/jsprit/core/algorithm/recreate/TestCalculatesServiceInsertion.java
View file

@ -50,6 +50,8 @@ import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.mock;
public class TestCalculatesServiceInsertion {
ServiceInsertionCalculator serviceInsertion;
@ -73,7 +75,7 @@ public class TestCalculatesServiceInsertion {
private VehicleRoutingProblem vrp;
@Before
public void setup() {
public void setup(){
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();
@ -83,7 +85,7 @@ public class TestCalculatesServiceInsertion {
driver = DriverImpl.noDriver();
final Locations locations = new Locations() {
final Locations locations = new Locations(){
@Override
public Coordinate getCoord(String id) {
@ -97,13 +99,13 @@ public class TestCalculatesServiceInsertion {
costs = new AbstractForwardVehicleRoutingTransportCosts() {
@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()));
}
@Override
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()));
}
};
@ -124,7 +126,7 @@ public class TestCalculatesServiceInsertion {
states.updateLoadStates();
states.updateTimeWindowStates();
ConstraintManager cManager = new ConstraintManager(vrp, states);
ConstraintManager cManager = new ConstraintManager(vrp,states);
cManager.addLoadConstraint();
cManager.addTimeWindowConstraint();
@ -140,7 +142,7 @@ public class TestCalculatesServiceInsertion {
}
@Test
public void whenInsertingTheFirstJobInAnEmptyTourWithVehicle_itCalculatesMarginalCostChanges() {
public void whenInsertingTheFirstJobInAnEmptyTourWithVehicle_itCalculatesMarginalCostChanges(){
VehicleRoute route = VehicleRoute.Builder.newInstance(vehicle, driver).build();
states.informInsertionStarts(Arrays.asList(route), null);
@ -150,7 +152,7 @@ public class TestCalculatesServiceInsertion {
}
@Test
public void whenInsertingTheSecondJobInAnNonEmptyTourWithVehicle_itCalculatesMarginalCostChanges() {
public void whenInsertingTheSecondJobInAnNonEmptyTourWithVehicle_itCalculatesMarginalCostChanges(){
VehicleRoute route = VehicleRoute.Builder.newInstance(vehicle, driver).setJobActivityFactory(vrp.getJobActivityFactory()).addService(first).build();
states.informInsertionStarts(Arrays.asList(route), null);
@ -160,7 +162,7 @@ public class TestCalculatesServiceInsertion {
}
@Test
public void whenInsertingThirdJobWithVehicle_itCalculatesMarginalCostChanges() {
public void whenInsertingThirdJobWithVehicle_itCalculatesMarginalCostChanges(){
VehicleRoute route = VehicleRoute.Builder.newInstance(vehicle, driver).setJobActivityFactory(vrp.getJobActivityFactory()).addService(first).addService(third).build();
states.informInsertionStarts(Arrays.asList(route), null);
@ -170,7 +172,7 @@ public class TestCalculatesServiceInsertion {
}
@Test
public void whenInsertingThirdJobWithNewVehicle_itCalculatesMarginalCostChanges() {
public void whenInsertingThirdJobWithNewVehicle_itCalculatesMarginalCostChanges(){
VehicleRoute route = VehicleRoute.Builder.newInstance(vehicle, driver).setJobActivityFactory(vrp.getJobActivityFactory()).addService(first).addService(third).build();
states.informInsertionStarts(Arrays.asList(route), null);
@ -180,7 +182,7 @@ public class TestCalculatesServiceInsertion {
}
@Test
public void whenInsertingASecondJobWithAVehicle_itCalculatesLocalMarginalCostChanges() {
public void whenInsertingASecondJobWithAVehicle_itCalculatesLocalMarginalCostChanges(){
VehicleRoute route = VehicleRoute.Builder.newInstance(vehicle, driver).setJobActivityFactory(vrp.getJobActivityFactory()).addService(first).addService(second).build();
states.informInsertionStarts(Arrays.asList(route), null);
@ -190,7 +192,7 @@ public class TestCalculatesServiceInsertion {
}
@Test
public void whenInsertingASecondJobWithANewVehicle_itCalculatesLocalMarginalCostChanges() {
public void whenInsertingASecondJobWithANewVehicle_itCalculatesLocalMarginalCostChanges(){
VehicleRoute route = VehicleRoute.Builder.newInstance(vehicle, driver).setJobActivityFactory(vrp.getJobActivityFactory()).addService(first).addService(second).build();
@ -202,28 +204,28 @@ public class TestCalculatesServiceInsertion {
}
@Test
public void whenInsertingJobAndCurrRouteIsEmpty_accessEggressCalcShouldReturnZero() {
public void whenInsertingJobAndCurrRouteIsEmpty_accessEggressCalcShouldReturnZero(){
VehicleRoute route = VehicleRoute.Builder.newInstance(VehicleImpl.createNoVehicle(), DriverImpl.noDriver()).build();
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();
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
public void whenInsertingJobAndCurrRouteAndVehicleHaveTheSameLocation_accessEggressCalcShouldReturnZero() {
public void whenInsertingJobAndCurrRouteAndVehicleHaveTheSameLocation_accessEggressCalcShouldReturnZero(){
VehicleRoute route = VehicleRoute.Builder.newInstance(newVehicle, DriverImpl.noDriver())
.addService(first)
.build();
AdditionalAccessEgressCalculator accessEgressCalc = new AdditionalAccessEgressCalculator(costs);
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
public void whenInsertingJobAndCurrRouteAndNewVehicleHaveDifferentLocations_accessEggressCostsMustBeCorrect() {
final Map<String, Coordinate> coords = new HashMap<String, Coordinate>();
public void whenInsertingJobAndCurrRouteAndNewVehicleHaveDifferentLocations_accessEggressCostsMustBeCorrect(){
final Map<String,Coordinate> coords = new HashMap<String, Coordinate>();
coords.put("oldV", Coordinate.newInstance(1, 0));
coords.put("newV", Coordinate.newInstance(5, 0));
coords.put("service", Coordinate.newInstance(0, 0));
@ -231,12 +233,12 @@ public class TestCalculatesServiceInsertion {
AbstractForwardVehicleRoutingTransportCosts routingCosts = new AbstractForwardVehicleRoutingTransportCosts() {
@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);
}
@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()));
}
};
@ -251,6 +253,6 @@ public class TestCalculatesServiceInsertion {
AdditionalAccessEgressCalculator accessEgressCalc = new AdditionalAccessEgressCalculator(routingCosts);
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);
assertEquals(8.0, accessEgressCalc.getCosts(iContex), 0.01);
assertEquals(8.0, accessEgressCalc.getCosts(iContex),0.01);
}
}

400
jsprit-core/src/test/java/jsprit/core/algorithm/recreate/TestLocalActivityInsertionCostsCalculator.java
View file

@ -16,17 +16,33 @@
******************************************************************************/
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.VehicleRoutingProblem;
import jsprit.core.problem.cost.VehicleRoutingActivityCosts;
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.solution.route.VehicleRoute;
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.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.Test;
import java.util.ArrayList;
import java.util.Arrays;
import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
@ -46,7 +62,7 @@ public class TestLocalActivityInsertionCostsCalculator {
JobInsertionContext jic;
@Before
public void doBefore() {
public void doBefore(){
vehicle = mock(Vehicle.class);
route = mock(VehicleRoute.class);
@ -56,6 +72,7 @@ public class TestLocalActivityInsertionCostsCalculator {
jic = mock(JobInsertionContext.class);
when(jic.getRoute()).thenReturn(route);
when(jic.getNewVehicle()).thenReturn(vehicle);
when(vehicle.getType()).thenReturn(VehicleTypeImpl.Builder.newInstance("type").build());
tpCosts = mock(VehicleRoutingTransportCosts.class);
when(tpCosts.getTransportCost(loc("i"), loc("j"), 0.0, null, vehicle)).thenReturn(2.0);
@ -66,7 +83,7 @@ public class TestLocalActivityInsertionCostsCalculator {
when(tpCosts.getTransportTime(loc("k"), loc("j"), 0.0, null, vehicle)).thenReturn(0.0);
actCosts = mock(VehicleRoutingActivityCosts.class);
calc = new LocalActivityInsertionCostsCalculator(tpCosts, actCosts);
calc = new LocalActivityInsertionCostsCalculator(tpCosts, actCosts, mock(StateManager.class));
}
private Location loc(String i) {
@ -74,60 +91,423 @@ public class TestLocalActivityInsertionCostsCalculator {
}
@Test
public void whenInsertingActBetweenTwoRouteActs_itCalcsMarginalTpCosts() {
public void whenInsertingActBetweenTwoRouteActs_itCalcsMarginalTpCosts(){
TourActivity prevAct = mock(TourActivity.class);
when(prevAct.getLocation()).thenReturn(loc("i"));
when(prevAct.getIndex()).thenReturn(1);
TourActivity nextAct = mock(TourActivity.class);
when(nextAct.getLocation()).thenReturn(loc("j"));
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);
double costs = calc.getCosts(jic, prevAct, nextAct, newAct, 0.0);
assertEquals(4.0, costs, 0.01);
assertEquals(4.0,costs,0.01);
}
@Test
public void whenInsertingActBetweenLastActAndEnd_itCalcsMarginalTpCosts() {
public void whenInsertingActBetweenLastActAndEnd_itCalcsMarginalTpCosts(){
TourActivity prevAct = mock(TourActivity.class);
when(prevAct.getLocation()).thenReturn(loc("i"));
when(prevAct.getIndex()).thenReturn(1);
End nextAct = End.newInstance("j", 0.0, 0.0);
TourActivity newAct = mock(TourActivity.class);
when(newAct.getLocation()).thenReturn(loc("k"));
when(newAct.getIndex()).thenReturn(1);
when(vehicle.isReturnToDepot()).thenReturn(true);
double costs = calc.getCosts(jic, prevAct, nextAct, newAct, 0.0);
assertEquals(4.0, costs, 0.01);
assertEquals(4.0,costs,0.01);
}
@Test
public void whenInsertingActBetweenTwoRouteActsAndRouteIsOpen_itCalcsMarginalTpCosts() {
public void whenInsertingActBetweenTwoRouteActsAndRouteIsOpen_itCalcsMarginalTpCosts(){
TourActivity prevAct = mock(TourActivity.class);
when(prevAct.getLocation()).thenReturn(loc("i"));
when(prevAct.getIndex()).thenReturn(1);
TourActivity nextAct = mock(TourActivity.class);
when(nextAct.getLocation()).thenReturn(loc("j"));
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);
double costs = calc.getCosts(jic, prevAct, nextAct, newAct, 0.0);
assertEquals(4.0, costs, 0.01);
assertEquals(4.0,costs,0.01);
}
@Test
public void whenInsertingActBetweenLastActAndEndAndRouteIsOpen_itCalculatesTpCostsFromPrevToNewAct() {
public void whenInsertingActBetweenLastActAndEndAndRouteIsOpen_itCalculatesTpCostsFromPrevToNewAct(){
TourActivity prevAct = mock(TourActivity.class);
when(prevAct.getLocation()).thenReturn(loc("i"));
when(prevAct.getIndex()).thenReturn(1);
End nextAct = End.newInstance("j", 0.0, 0.0);
TourActivity newAct = mock(TourActivity.class);
when(newAct.getLocation()).thenReturn(loc("k"));
when(newAct.getIndex()).thenReturn(1);
when(vehicle.isReturnToDepot()).thenReturn(false);
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();
}
@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
public void whenVehicleIsBuiltToReturnToDepot_itShouldReturnToDepot() {
Vehicle v = VehicleImpl.Builder.newInstance("v").setReturnToDepot(true).setStartLocation(Location.newInstance("loc")).build();

5
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.core.algorithm.VehicleRoutingAlgorithm;
import jsprit.core.algorithm.io.VehicleRoutingAlgorithms;
import jsprit.core.algorithm.box.Jsprit;
import jsprit.core.problem.Location;
import jsprit.core.problem.VehicleRoutingProblem;
import jsprit.core.problem.VehicleRoutingProblem.FleetSize;
@ -40,6 +40,7 @@ import java.util.Collection;
* Illustrates how you can use jsprit with an already compiled distance and time matrix.
*
* @author schroeder
*
*/
public class CostMatrixExample {
@ -97,7 +98,7 @@ public class CostMatrixExample {
VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().setFleetSize(FleetSize.INFINITE).setRoutingCost(costMatrix)
.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();

74
jsprit-examples/src/main/java/jsprit/examples/WaitingTimeExample.java Normal file
View file

@ -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");
}
}