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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);

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

@ -20,6 +20,7 @@ import jsprit.core.algorithm.SearchStrategy.DiscoveredSolution;
import jsprit.core.algorithm.listener.*;
import jsprit.core.algorithm.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);
counter.incCounter();
SearchStrategy strategy = searchStrategyManager.getRandomStrategy();
DiscoveredSolution discoveredSolution = strategy.run(problem, solutions);
logger.trace("discovered solution: {}", discoveredSolution);
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);
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();

296
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;
}
}
@ -75,7 +75,7 @@ public class Jsprit {
public enum Parameter {
FIXED_COST_PARAM("fixed_cost_param"), VEHICLE_SWITCH("vehicle_switch"), REGRET_TIME_WINDOW_SCORER("regret.tw_scorer"),
REGRET_DISTANCE_SCORER("regret.distance_scorer"), INITIAL_THRESHOLD("initial_threshold"), ITERATIONS("iterations"),
REGRET_DISTANCE_SCORER("regret.distance_scorer"), INITIAL_THRESHOLD("initial_threshold"), ITERATIONS("iterations"),
THREADS("threads"),
RANDOM_REGRET_MIN_SHARE("random_regret.min_share"),
RANDOM_REGRET_MAX_SHARE("random_regret.max_share"),
@ -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()));
@ -317,36 +316,36 @@ 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())),
toInteger(properties.getProperty(Parameter.RADIAL_MAX_SHARE.toString())),
random)
random)
);
final RuinRandom random_for_regret = new RuinRandom(vrp, 0.5);
final RuinRandom random_for_regret = new RuinRandom(vrp,0.5);
random_for_regret.setRandom(random);
random_for_regret.setRuinShareFactory(new RuinShareFactoryImpl(
toInteger(properties.getProperty(Parameter.RANDOM_REGRET_MIN_SHARE.toString())),
toInteger(properties.getProperty(Parameter.RANDOM_REGRET_MAX_SHARE.toString())),
random)
toInteger(properties.getProperty(Parameter.RANDOM_REGRET_MIN_SHARE.toString())),
toInteger(properties.getProperty(Parameter.RANDOM_REGRET_MAX_SHARE.toString())),
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())),
toInteger(properties.getProperty(Parameter.RANDOM_BEST_MAX_SHARE.toString())),
random)
toInteger(properties.getProperty(Parameter.RANDOM_BEST_MIN_SHARE.toString())),
toInteger(properties.getProperty(Parameter.RANDOM_BEST_MAX_SHARE.toString())),
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())),
toInteger(properties.getProperty(Parameter.WORST_MAX_SHARE.toString())),
random)
toInteger(properties.getProperty(Parameter.WORST_MIN_SHARE.toString())),
toInteger(properties.getProperty(Parameter.WORST_MAX_SHARE.toString())),
random)
);
IterationStartsListener noise = new IterationStartsListener() {
@Override
@ -354,50 +353,52 @@ 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.;
* noiseMaker.maxCosts * random.nextDouble();
}
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())),
toInteger(properties.getProperty(Parameter.WORST_MAX_SHARE.toString())),
random)
toInteger(properties.getProperty(Parameter.WORST_MIN_SHARE.toString())),
toInteger(properties.getProperty(Parameter.WORST_MAX_SHARE.toString())),
random)
);
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)
.considerFixedCosts(toDouble(getProperty(Parameter.FIXED_COST_PARAM.toString())))
.setAllowVehicleSwitch(toBoolean(getProperty(Parameter.VEHICLE_SWITCH.toString())))
.build();
.setInsertionStrategy(InsertionBuilder.Strategy.REGRET)
.setConcurrentMode(es, noThreads)
.considerFixedCosts(toDouble(getProperty(Parameter.FIXED_COST_PARAM.toString())))
.setAllowVehicleSwitch(toBoolean(getProperty(Parameter.VEHICLE_SWITCH.toString())))
.build();
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())))
.considerFixedCosts(toDouble(getProperty(Parameter.FIXED_COST_PARAM.toString())))
.build();
.setInsertionStrategy(InsertionBuilder.Strategy.REGRET)
.setAllowVehicleSwitch(toBoolean(getProperty(Parameter.VEHICLE_SWITCH.toString())))
.considerFixedCosts(toDouble(getProperty(Parameter.FIXED_COST_PARAM.toString())))
.build();
scorer = getRegretScorer(vrp);
regretInsertion.setScoringFunction(scorer);
regret = regretInsertion;
@ -405,29 +406,30 @@ 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();
.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())))
.setAllowVehicleSwitch(toBoolean(getProperty(Parameter.VEHICLE_SWITCH.toString())))
.setConcurrentMode(es, noThreads)
.build();
.setInsertionStrategy(InsertionBuilder.Strategy.BEST)
.considerFixedCosts(Double.valueOf(properties.getProperty(Parameter.FIXED_COST_PARAM.toString())))
.setAllowVehicleSwitch(toBoolean(getProperty(Parameter.VEHICLE_SWITCH.toString())))
.setConcurrentMode(es, noThreads)
.build();
best = bestInsertion;
}
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);
}
@ -435,47 +437,48 @@ 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);
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())))
.withStrategy(radial_best, toDouble(getProperty(Strategy.RADIAL_BEST.toString())))
.withStrategy(random_best, toDouble(getProperty(Strategy.RANDOM_BEST.toString())))
.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(radial_best, toDouble(getProperty(Strategy.RADIAL_BEST.toString())))
.withStrategy(random_best, toDouble(getProperty(Strategy.RANDOM_BEST.toString())))
.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())){
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));
}
}

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

@ -32,249 +32,252 @@ import java.util.ArrayList;
import java.util.List;
public class JobInsertionCostsCalculatorBuilder {
private static class CalculatorPlusListeners {
private static class CalculatorPlusListeners {
private JobInsertionCostsCalculator calculator;
private JobInsertionCostsCalculator calculator;
public JobInsertionCostsCalculator getCalculator() {
return calculator;
}
public JobInsertionCostsCalculator getCalculator() {
return calculator;
}
private List<PrioritizedVRAListener> algorithmListener = new ArrayList<PrioritizedVRAListener>();
private List<InsertionListener> insertionListener = new ArrayList<InsertionListener>();
private List<PrioritizedVRAListener> algorithmListener = new ArrayList<PrioritizedVRAListener>();
private List<InsertionListener> insertionListener = new ArrayList<InsertionListener>();
public CalculatorPlusListeners(JobInsertionCostsCalculator calculator) {
super();
this.calculator = calculator;
}
public CalculatorPlusListeners(JobInsertionCostsCalculator calculator) {
super();
this.calculator = calculator;
}
public List<PrioritizedVRAListener> getAlgorithmListener() {
return algorithmListener;
}
public List<PrioritizedVRAListener> getAlgorithmListener() {
return algorithmListener;
}
public List<InsertionListener> getInsertionListener() {
return insertionListener;
}
}
public List<InsertionListener> getInsertionListener() {
return insertionListener;
}
}
private List<InsertionListener> insertionListeners;
private List<InsertionListener> insertionListeners;
private List<PrioritizedVRAListener> algorithmListeners;
private List<PrioritizedVRAListener> algorithmListeners;
private VehicleRoutingProblem vrp;
private VehicleRoutingProblem vrp;
private RouteAndActivityStateGetter states;
private RouteAndActivityStateGetter states;
private boolean local = true;
private boolean local = true;
private int forwardLooking = 0;
private int forwardLooking = 0;
private int memory = 1;
private int memory = 1;
private boolean considerFixedCost = false;
private boolean considerFixedCost = false;
private double weightOfFixedCost = 0;
private double weightOfFixedCost = 0;
private VehicleFleetManager fleetManager;
private VehicleFleetManager fleetManager;
private boolean timeScheduling = false;
private boolean timeScheduling = false;
private double timeSlice;
private double timeSlice;
private int neighbors;
private int neighbors;
private ConstraintManager constraintManager;
private ConstraintManager constraintManager;
private ActivityInsertionCostsCalculator activityInsertionCostCalculator = null;
private ActivityInsertionCostsCalculator activityInsertionCostCalculator = null;
private boolean allowVehicleSwitch = true;
private boolean allowVehicleSwitch = true;
private boolean addDefaultCostCalc = true;
private boolean addDefaultCostCalc = true;
/**
* Constructs the builder.
* <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.
*
* @param insertionListeners
* @param algorithmListeners
*/
public JobInsertionCostsCalculatorBuilder(List<InsertionListener> insertionListeners, List<PrioritizedVRAListener> algorithmListeners) {
super();
this.insertionListeners = insertionListeners;
this.algorithmListeners = algorithmListeners;
}
/**
* Constructs the builder.
*
* <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.
*
* @param insertionListeners
* @param algorithmListeners
*/
public JobInsertionCostsCalculatorBuilder(List<InsertionListener> insertionListeners, List<PrioritizedVRAListener> algorithmListeners) {
super();
this.insertionListeners = insertionListeners;
this.algorithmListeners = algorithmListeners;
}
/**
* Sets activityStates. MUST be set.
*
* @param stateManager
* @return
*/
public JobInsertionCostsCalculatorBuilder setStateManager(RouteAndActivityStateGetter stateManager) {
this.states = stateManager;
/**
* Sets activityStates. MUST be set.
* @param stateManager
*
* @return
*/
public JobInsertionCostsCalculatorBuilder setStateManager(RouteAndActivityStateGetter stateManager){
this.states = stateManager;
return this;
}
/**
* Sets routingProblem. MUST be set.
*
* @param vehicleRoutingProblem
* @return
*/
public JobInsertionCostsCalculatorBuilder setVehicleRoutingProblem(VehicleRoutingProblem vehicleRoutingProblem){
this.vrp = vehicleRoutingProblem;
return this;
}
/**
* Sets fleetManager. MUST be set.
*
* @param fleetManager
* @return
*/
public JobInsertionCostsCalculatorBuilder setVehicleFleetManager(VehicleFleetManager fleetManager){
this.fleetManager = fleetManager;
return this;
}
/**
* Sets a flag to build a calculator based on local calculations.
*
* <p>Insertion of a job and job-activity is evaluated based on the previous and next activity.
* @param addDefaultCostCalc
*/
public JobInsertionCostsCalculatorBuilder setLocalLevel(boolean addDefaultCostCalc){
local = true;
this.addDefaultCostCalc = addDefaultCostCalc;
return this;
}
}
/**
* Sets routingProblem. MUST be set.
*
* @param vehicleRoutingProblem
* @return
*/
public JobInsertionCostsCalculatorBuilder setVehicleRoutingProblem(VehicleRoutingProblem vehicleRoutingProblem) {
this.vrp = vehicleRoutingProblem;
public JobInsertionCostsCalculatorBuilder setActivityInsertionCostsCalculator(ActivityInsertionCostsCalculator activityInsertionCostsCalculator){
this.activityInsertionCostCalculator = activityInsertionCostsCalculator;
return this;
}
}
/**
* Sets fleetManager. MUST be set.
*
* @param fleetManager
* @return
*/
public JobInsertionCostsCalculatorBuilder setVehicleFleetManager(VehicleFleetManager fleetManager) {
this.fleetManager = fleetManager;
/**
* Sets a flag to build a calculator that evaluates job insertion on route-level.
*
* @param forwardLooking
* @param memory
* @param addDefaultMarginalCostCalc
*/
public JobInsertionCostsCalculatorBuilder setRouteLevel(int forwardLooking, int memory, boolean addDefaultMarginalCostCalc){
local = false;
this.forwardLooking = forwardLooking;
this.memory = memory;
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.
*
* @param addDefaultCostCalc
*/
public JobInsertionCostsCalculatorBuilder setLocalLevel(boolean addDefaultCostCalc) {
local = true;
this.addDefaultCostCalc = addDefaultCostCalc;
/**
* Sets a flag to consider also fixed-cost when evaluating the insertion of a job. The weight of the fixed-cost can be determined by setting
* weightofFixedCosts.
*
* @param weightOfFixedCosts
*/
public JobInsertionCostsCalculatorBuilder considerFixedCosts(double weightOfFixedCosts){
considerFixedCost = true;
this.weightOfFixedCost = weightOfFixedCosts;
return this;
}
}
public JobInsertionCostsCalculatorBuilder setActivityInsertionCostsCalculator(ActivityInsertionCostsCalculator activityInsertionCostsCalculator) {
this.activityInsertionCostCalculator = activityInsertionCostsCalculator;
public JobInsertionCostsCalculatorBuilder experimentalTimeScheduler(double timeSlice, int neighbors){
timeScheduling = true;
this.timeSlice = timeSlice;
this.neighbors = neighbors;
return this;
}
}
/**
* Sets a flag to build a calculator that evaluates job insertion on route-level.
*
* @param forwardLooking
* @param memory
* @param addDefaultMarginalCostCalc
*/
public JobInsertionCostsCalculatorBuilder setRouteLevel(int forwardLooking, int memory, boolean addDefaultMarginalCostCalc) {
local = false;
this.forwardLooking = forwardLooking;
this.memory = memory;
return this;
}
/**
* Sets a flag to consider also fixed-cost when evaluating the insertion of a job. The weight of the fixed-cost can be determined by setting
* weightofFixedCosts.
*
* @param weightOfFixedCosts
*/
public JobInsertionCostsCalculatorBuilder considerFixedCosts(double weightOfFixedCosts) {
considerFixedCost = true;
this.weightOfFixedCost = weightOfFixedCosts;
return this;
}
public JobInsertionCostsCalculatorBuilder experimentalTimeScheduler(double timeSlice, int neighbors) {
timeScheduling = true;
this.timeSlice = timeSlice;
this.neighbors = neighbors;
return this;
}
/**
* Builds the jobInsertionCalculator.
*
* @return jobInsertionCalculator.
* @throws IllegalStateException if vrp == null or activityStates == null or fleetManager == null.
*/
public JobInsertionCostsCalculator build() {
if (vrp == null)
throw new IllegalStateException("vehicle-routing-problem is null, but it must be set (this.setVehicleRoutingProblem(vrp))");
if (states == null)
throw new IllegalStateException("states is null, but is must be set (this.setStateManager(states))");
if (fleetManager == null)
throw new IllegalStateException("fleetManager is null, but it must be set (this.setVehicleFleetManager(fleetManager))");
JobInsertionCostsCalculator baseCalculator = null;
CalculatorPlusListeners standardLocal = null;
if (local) {
standardLocal = createStandardLocal(vrp, states);
} else {
checkServicesOnly();
standardLocal = createStandardRoute(vrp, states, forwardLooking, memory);
}
baseCalculator = standardLocal.getCalculator();
addAlgorithmListeners(standardLocal.getAlgorithmListener());
addInsertionListeners(standardLocal.getInsertionListener());
if (considerFixedCost) {
CalculatorPlusListeners withFixed = createCalculatorConsideringFixedCosts(vrp, baseCalculator, states, weightOfFixedCost);
baseCalculator = withFixed.getCalculator();
addAlgorithmListeners(withFixed.getAlgorithmListener());
addInsertionListeners(withFixed.getInsertionListener());
}
if (timeScheduling) {
/**
* Builds the jobInsertionCalculator.
*
* @return jobInsertionCalculator.
* @throws IllegalStateException if vrp == null or activityStates == null or fleetManager == null.
*/
public JobInsertionCostsCalculator build(){
if(vrp == null) throw new IllegalStateException("vehicle-routing-problem is null, but it must be set (this.setVehicleRoutingProblem(vrp))");
if(states == null) throw new IllegalStateException("states is null, but is must be set (this.setStateManager(states))");
if(fleetManager == null) throw new IllegalStateException("fleetManager is null, but it must be set (this.setVehicleFleetManager(fleetManager))");
JobInsertionCostsCalculator baseCalculator = null;
CalculatorPlusListeners standardLocal = null;
if(local){
standardLocal = createStandardLocal(vrp, states);
}
else{
checkServicesOnly();
standardLocal = createStandardRoute(vrp, states,forwardLooking,memory);
}
baseCalculator = standardLocal.getCalculator();
addAlgorithmListeners(standardLocal.getAlgorithmListener());
addInsertionListeners(standardLocal.getInsertionListener());
if(considerFixedCost){
CalculatorPlusListeners withFixed = createCalculatorConsideringFixedCosts(vrp, baseCalculator, states, weightOfFixedCost);
baseCalculator = withFixed.getCalculator();
addAlgorithmListeners(withFixed.getAlgorithmListener());
addInsertionListeners(withFixed.getInsertionListener());
}
if(timeScheduling){
// baseCalculator = new CalculatesServiceInsertionWithTimeSchedulingInSlices(baseCalculator,timeSlice,neighbors);
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());
baseCalculator = calcPlusListeners.getCalculator();
}
return createFinalInsertion(fleetManager, baseCalculator, states);
}
}
return createFinalInsertion(fleetManager, baseCalculator, states);
}
private void checkServicesOnly() {
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");
}
}
private void checkServicesOnly() {
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");
}
}
}
}
private void addInsertionListeners(List<InsertionListener> list) {
for (InsertionListener iL : list) {
insertionListeners.add(iL);
}
}
private void addInsertionListeners(List<InsertionListener> list) {
for(InsertionListener iL : list){
insertionListeners.add(iL);
}
}
private void addAlgorithmListeners(List<PrioritizedVRAListener> list) {
for (PrioritizedVRAListener aL : list) {
algorithmListeners.add(aL);
}
}
private void addAlgorithmListeners(List<PrioritizedVRAListener> 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() {
ActivityInsertionCostsCalculator actInsertionCalc;
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,
@Override
public double getCosts(JobInsertionContext iContext, TourActivity prevAct, TourActivity nextAct, TourActivity newAct,
double depTimeAtPrevAct) {
return 0.;
}
return 0.;
}
};
} else {
actInsertionCalc = activityInsertionCostCalculator;
}
};
}
else{
actInsertionCalc = activityInsertionCostCalculator;
}
JobActivityFactory activityFactory = new JobActivityFactory() {
@ -284,53 +287,59 @@ public class JobInsertionCostsCalculatorBuilder {
}
};
ShipmentInsertionCalculator shipmentInsertion = new ShipmentInsertionCalculator(vrp.getTransportCosts(), actInsertionCalc, constraintManager);
ShipmentInsertionCalculator shipmentInsertion = new ShipmentInsertionCalculator(vrp.getTransportCosts(), actInsertionCalc, constraintManager);
shipmentInsertion.setJobActivityFactory(activityFactory);
ServiceInsertionCalculator serviceInsertion = new ServiceInsertionCalculator(vrp.getTransportCosts(), actInsertionCalc, constraintManager);
ServiceInsertionCalculator serviceInsertion = new ServiceInsertionCalculator(vrp.getTransportCosts(), actInsertionCalc, constraintManager);
serviceInsertion.setJobActivityFactory(activityFactory);
JobCalculatorSwitcher switcher = new JobCalculatorSwitcher();
switcher.put(Shipment.class, shipmentInsertion);
switcher.put(Service.class, serviceInsertion);
switcher.put(Pickup.class, serviceInsertion);
switcher.put(Delivery.class, serviceInsertion);
switcher.put(Shipment.class, shipmentInsertion);
switcher.put(Service.class, serviceInsertion);
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) {
final JobInsertionConsideringFixCostsCalculator withFixCost = new JobInsertionConsideringFixCostsCalculator(baseCalculator, activityStates2);
withFixCost.setWeightOfFixCost(weightOfFixedCosts);
CalculatorPlusListeners calcPlusListeners = new CalculatorPlusListeners(withFixCost);
calcPlusListeners.getInsertionListener().add(new ConfigureFixCostCalculator(vrp, withFixCost));
return calcPlusListeners;
}
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);
calcPlusListeners.getInsertionListener().add(new ConfigureFixCostCalculator(vrp, withFixCost));
return calcPlusListeners;
}
private CalculatorPlusListeners createStandardRoute(final VehicleRoutingProblem vrp, RouteAndActivityStateGetter activityStates2, int forwardLooking, int solutionMemory) {
ActivityInsertionCostsCalculator routeLevelCostEstimator;
if (activityInsertionCostCalculator == null && addDefaultCostCalc) {
private CalculatorPlusListeners createStandardRoute(final VehicleRoutingProblem vrp, RouteAndActivityStateGetter activityStates2, int forwardLooking, int solutionMemory){
ActivityInsertionCostsCalculator routeLevelCostEstimator;
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,
@Override
public double getCosts(JobInsertionContext iContext, TourActivity prevAct, TourActivity nextAct, TourActivity newAct,
double depTimeAtPrevAct) {
return 0.;
}
return 0.;
}
};
} else {
routeLevelCostEstimator = activityInsertionCostCalculator;
}
};
}
else{
routeLevelCostEstimator = activityInsertionCostCalculator;
}
ServiceInsertionOnRouteLevelCalculator jobInsertionCalculator = new ServiceInsertionOnRouteLevelCalculator(vrp.getTransportCosts(), vrp.getActivityCosts(), routeLevelCostEstimator, constraintManager, constraintManager);
jobInsertionCalculator.setNuOfActsForwardLooking(forwardLooking);
jobInsertionCalculator.setMemorySize(solutionMemory);
jobInsertionCalculator.setStates(activityStates2);
jobInsertionCalculator.setNuOfActsForwardLooking(forwardLooking);
jobInsertionCalculator.setMemorySize(solutionMemory);
jobInsertionCalculator.setStates(activityStates2);
jobInsertionCalculator.setJobActivityFactory(new JobActivityFactory() {
@Override
public List<AbstractActivity> createActivities(Job job) {
@ -338,23 +347,23 @@ public class JobInsertionCostsCalculatorBuilder {
}
});
return new CalculatorPlusListeners(jobInsertionCalculator);
}
}
private JobInsertionCostsCalculator createFinalInsertion(VehicleFleetManager fleetManager, JobInsertionCostsCalculator baseCalc, RouteAndActivityStateGetter activityStates2) {
VehicleTypeDependentJobInsertionCalculator vehicleTypeDependentJobInsertionCalculator = new VehicleTypeDependentJobInsertionCalculator(vrp, fleetManager, baseCalc);
vehicleTypeDependentJobInsertionCalculator.setVehicleSwitchAllowed(allowVehicleSwitch);
return vehicleTypeDependentJobInsertionCalculator;
}
private JobInsertionCostsCalculator createFinalInsertion(VehicleFleetManager fleetManager, JobInsertionCostsCalculator baseCalc, RouteAndActivityStateGetter activityStates2){
VehicleTypeDependentJobInsertionCalculator vehicleTypeDependentJobInsertionCalculator = new VehicleTypeDependentJobInsertionCalculator(vrp, fleetManager, baseCalc);
vehicleTypeDependentJobInsertionCalculator.setVehicleSwitchAllowed(allowVehicleSwitch);
return vehicleTypeDependentJobInsertionCalculator;
}
public JobInsertionCostsCalculatorBuilder setConstraintManager(ConstraintManager constraintManager) {
this.constraintManager = constraintManager;
public JobInsertionCostsCalculatorBuilder setConstraintManager(ConstraintManager constraintManager) {
this.constraintManager = constraintManager;
return this;
}
}
public JobInsertionCostsCalculatorBuilder setAllowVehicleSwitch(boolean allowVehicleSwitch) {
public JobInsertionCostsCalculatorBuilder setAllowVehicleSwitch(boolean allowVehicleSwitch) {
this.allowVehicleSwitch = allowVehicleSwitch;
return this;
}
}
}

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

@ -1,3 +1,4 @@
/*******************************************************************************
* Copyright (C) 2014 Stefan Schroeder
*
@ -17,70 +18,96 @@
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 VehicleRoutingTransportCosts routingCosts;
private VehicleRoutingActivityCosts activityCosts;
private VehicleRoutingActivityCosts activityCosts;
private double activityCostsWeight = 1.;
public LocalActivityInsertionCostsCalculator(VehicleRoutingTransportCosts routingCosts, VehicleRoutingActivityCosts actCosts) {
super();
this.routingCosts = routingCosts;
this.activityCosts = actCosts;
}
private double solutionCompletenessRatio = 1.;
@Override
public double getCosts(JobInsertionContext iFacts, TourActivity prevAct, TourActivity nextAct, TourActivity newAct, double depTimeAtPrevAct) {
private RouteAndActivityStateGetter stateManager;
double tp_costs_prevAct_newAct = routingCosts.getTransportCost(prevAct.getLocation(), newAct.getLocation(), depTimeAtPrevAct, iFacts.getNewDriver(), iFacts.getNewVehicle());
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());
public LocalActivityInsertionCostsCalculator(VehicleRoutingTransportCosts routingCosts, VehicleRoutingActivityCosts actCosts, RouteAndActivityStateGetter stateManager) {
super();
this.routingCosts = routingCosts;
this.activityCosts = actCosts;
this.stateManager = stateManager;
}
//open routes
if (nextAct instanceof End) {
if (!iFacts.getNewVehicle().isReturnToDepot()) {
return tp_costs_prevAct_newAct;
}
}
@Override
public double getCosts(JobInsertionContext iFacts, TourActivity prevAct, TourActivity nextAct, TourActivity newAct, double depTimeAtPrevAct) {
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 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 tp_costs_prevAct_newAct = routingCosts.getTransportCost(prevAct.getLocation(), newAct.getLocation(), depTimeAtPrevAct, iFacts.getNewDriver(), iFacts.getNewVehicle());
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 oldCosts;
if (iFacts.getRoute().isEmpty()) {
double tp_costs_prevAct_nextAct = routingCosts.getTransportCost(prevAct.getLocation(), nextAct.getLocation(), depTimeAtPrevAct, iFacts.getNewDriver(), iFacts.getNewVehicle());
double arrTime_nextAct = routingCosts.getTransportTime(prevAct.getLocation(), nextAct.getLocation(), depTimeAtPrevAct, iFacts.getNewDriver(), iFacts.getNewVehicle());
double actCost_nextAct = activityCosts.getActivityCost(nextAct, arrTime_nextAct, iFacts.getNewDriver(), iFacts.getNewVehicle());
oldCosts = tp_costs_prevAct_nextAct + actCost_nextAct;
} else {
double tp_costs_prevAct_nextAct = routingCosts.getTransportCost(prevAct.getLocation(), nextAct.getLocation(), prevAct.getEndTime(), iFacts.getRoute().getDriver(), iFacts.getRoute().getVehicle());
double arrTime_nextAct = routingCosts.getTransportTime(prevAct.getLocation(), nextAct.getLocation(), prevAct.getEndTime(), iFacts.getRoute().getDriver(), iFacts.getRoute().getVehicle());
double actCost_nextAct = activityCosts.getActivityCost(nextAct, arrTime_nextAct, iFacts.getRoute().getDriver(), iFacts.getRoute().getVehicle());
oldCosts = tp_costs_prevAct_nextAct + actCost_nextAct;
}
return totalCosts - oldCosts;
}
double act_costs_newAct = activityCosts.getActivityCost(newAct, newAct_arrTime, iFacts.getNewDriver(), iFacts.getNewVehicle());
if(isEnd(nextAct) && !toDepot(iFacts.getNewVehicle())) return tp_costs_prevAct_newAct;
double tp_costs_newAct_nextAct = routingCosts.getTransportCost(newAct.getLocation(), nextAct.getLocation(), newAct_endTime, iFacts.getNewDriver(), iFacts.getNewVehicle());
double tp_time_newAct_nextAct = routingCosts.getTransportTime(newAct.getLocation(), nextAct.getLocation(), newAct_endTime, iFacts.getNewDriver(), iFacts.getNewVehicle());
double nextAct_arrTime = newAct_endTime + tp_time_newAct_nextAct;
double endTime_nextAct_new = CalculationUtils.getActivityEndTime(nextAct_arrTime, nextAct);
double act_costs_nextAct = activityCosts.getActivityCost(nextAct, nextAct_arrTime, iFacts.getNewDriver(), iFacts.getNewVehicle());
double totalCosts = tp_costs_prevAct_newAct + tp_costs_newAct_nextAct + solutionCompletenessRatio * activityCostsWeight * (act_costs_newAct + act_costs_nextAct);
double oldCosts = 0.;
if(iFacts.getRoute().isEmpty()){
double tp_costs_prevAct_nextAct = routingCosts.getTransportCost(prevAct.getLocation(), nextAct.getLocation(), depTimeAtPrevAct, iFacts.getNewDriver(), iFacts.getNewVehicle());
oldCosts += tp_costs_prevAct_nextAct;
}
else{
double tp_costs_prevAct_nextAct = routingCosts.getTransportCost(prevAct.getLocation(), nextAct.getLocation(), prevAct.getEndTime(), iFacts.getRoute().getDriver(), iFacts.getRoute().getVehicle());
double arrTime_nextAct = depTimeAtPrevAct + routingCosts.getTransportTime(prevAct.getLocation(), nextAct.getLocation(), prevAct.getEndTime(), iFacts.getRoute().getDriver(), iFacts.getRoute().getVehicle());
double endTime_nextAct_old = CalculationUtils.getActivityEndTime(arrTime_nextAct,nextAct);
double actCost_nextAct = activityCosts.getActivityCost(nextAct, arrTime_nextAct, iFacts.getRoute().getDriver(), iFacts.getRoute().getVehicle());
double endTimeDelay_nextAct = Math.max(0, endTime_nextAct_new - endTime_nextAct_old);
Double futureWaiting = stateManager.getActivityState(nextAct, iFacts.getRoute().getVehicle(), InternalStates.FUTURE_WAITING, Double.class);
if (futureWaiting == null) futureWaiting = 0.;
double waitingTime_savings_timeUnit = Math.min(futureWaiting, endTimeDelay_nextAct);
double waitingTime_savings = waitingTime_savings_timeUnit * iFacts.getRoute().getVehicle().getType().getVehicleCostParams().perWaitingTimeUnit;
oldCosts += solutionCompletenessRatio * activityCostsWeight * waitingTime_savings;
oldCosts += tp_costs_prevAct_nextAct + solutionCompletenessRatio * activityCostsWeight * actCost_nextAct;
}
return totalCosts - oldCosts;
}
private boolean toDepot(Vehicle newVehicle) {
return newVehicle.isReturnToDepot();
}
private boolean isEnd(TourActivity nextAct) {
return nextAct instanceof End;
}
public void setSolutionCompletenessRatio(double solutionCompletenessRatio) {
this.solutionCompletenessRatio = solutionCompletenessRatio;
}
}

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

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

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

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

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

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

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

@ -19,15 +19,26 @@ package jsprit.core.algorithm.state;
import jsprit.core.problem.Location;
import jsprit.core.problem.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 {
@ -64,27 +75,27 @@ 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,
latestArrTimeAtPrevAct, route.getDriver(), vehicle) - activity.getOperationTime();
latestArrTimeAtPrevAct, route.getDriver(), vehicle) - activity.getOperationTime();
double latestArrivalTime = Math.min(activity.getTheoreticalLatestOperationStartTime(), potentialLatestArrivalTimeAtCurrAct);
stateManager.putInternalTypedActivityState(activity, vehicle, InternalStates.LATEST_OPERATION_START_TIME, latestArrivalTime);
latest_arrTimes_at_prevAct[vehicle.getVehicleTypeIdentifier().getIndex()] = latestArrivalTime;
@ -92,9 +103,8 @@ public class UpdateVehicleDependentPracticalTimeWindows implements ReverseActivi
}
}
@Override
public void finish() {
}
public void finish() {}
}

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

@ -18,7 +18,7 @@ package jsprit.core.problem;
import jsprit.core.problem.cost.VehicleRoutingActivityCosts;
import jsprit.core.problem.cost.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;
@ -41,75 +41,67 @@ 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 {
/**
* Builder to build the routing-problem.
*
* @author stefan schroeder
*/
public static class Builder {
/**
* 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();
}
* Returns a new instance of this builder.
*
* @return builder
*/
public static Builder newInstance(){ return new Builder(); }
private VehicleRoutingTransportCosts transportCosts;
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> tentativeJobs = new LinkedHashMap<String,Job>();
};
private Set<String> jobsInInitialRoutes = new HashSet<String>();
private Map<String, Job> jobs = new LinkedHashMap<String, Job>();
private Map<String, Coordinate> tentative_coordinates = new HashMap<String, Coordinate>();
private Map<String, Job> tentativeJobs = new LinkedHashMap<String, Job>();
private FleetSize fleetSize = FleetSize.INFINITE;
private Set<String> jobsInInitialRoutes = new HashSet<String>();
private Collection<VehicleType> vehicleTypes = new ArrayList<VehicleType>();
private Map<String, Coordinate> tentative_coordinates = new HashMap<String, Coordinate>();
private Collection<VehicleRoute> initialRoutes = new ArrayList<VehicleRoute>();
private FleetSize fleetSize = FleetSize.INFINITE;
private Set<Vehicle> uniqueVehicles = new HashSet<Vehicle>();
private Collection<VehicleType> vehicleTypes = new ArrayList<VehicleType>();
private Collection<VehicleRoute> initialRoutes = new ArrayList<VehicleRoute>();
private Set<Vehicle> uniqueVehicles = new HashSet<Vehicle>();
private JobActivityFactory jobActivityFactory = new JobActivityFactory() {
private JobActivityFactory jobActivityFactory = new JobActivityFactory() {
@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));
}
@ -126,98 +118,97 @@ 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() {
return Collections.unmodifiableMap(tentative_coordinates);
}
/**
* Returns the unmodifiable map of collected locations (mapped by their location-id).
*
* @return map with locations
*/
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() {
return new Locations() {
/**
* Returns the locations collected SO FAR by this builder.
*
* <p>Locations are cached when adding a shipment, service, depot, vehicle.
*
* @return locations
*
**/
public Locations getLocations(){
return new Locations() {
@Override
public Coordinate getCoord(String id) {
return tentative_coordinates.get(id);
}
@Override
public Coordinate getCoord(String id) {
return tentative_coordinates.get(id);
}
};
}
};
}
/**
* Sets routing costs.
*
* @param costs the routingCosts
* @return builder
* @see VehicleRoutingTransportCosts
*/
public Builder setRoutingCost(VehicleRoutingTransportCosts costs) {
this.transportCosts = costs;
return this;
}
/**
* Sets routing costs.
*
* @param costs the routingCosts
* @return builder
* @see VehicleRoutingTransportCosts
*/
public Builder setRoutingCost(VehicleRoutingTransportCosts costs){
this.transportCosts = costs;
return this;
}
/**
* 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) {
this.fleetSize = fleetSize;
return this;
}
/**
* Sets the type of fleetSize.
*
* <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){
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
* @return this builder
* @throws IllegalStateException if job is neither a shipment nor a service, or jobId has already been added.
/**
* Adds a job which is either a service or a shipment.
*
* <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
* @return this builder
* @throws IllegalStateException if job is neither a shipment nor a service, or jobId has already been added.
* @deprecated use addJob(AbstractJob job) instead
*/
*/
@Deprecated
public Builder addJob(Job job) {
if (!(job instanceof AbstractJob)) throw new IllegalArgumentException("job must be of type AbstractJob");
return addJob((AbstractJob) job);
}
public Builder addJob(Job 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);
@ -236,31 +225,33 @@ public class VehicleRoutingProblem {
return this;
}
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;
tentative_coordinates.put(shipment.getPickupLocation().getId(), shipment.getPickupLocation().getCoordinate());
tentative_coordinates.put(shipment.getDeliveryLocation().getId(), shipment.getDeliveryLocation().getCoordinate());
}
}
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;
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;
addService(service);
}
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();
}
activityMap.put(job, jobActs);
}
}
/**
@ -269,26 +260,25 @@ 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);
registerJobAndActivity(abstractAct, job);
}
}
initialRoutes.add(route);
return this;
}
initialRoutes.add(route);
return this;
}
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) {
addInitialVehicleRoute(r);
}
return this;
}
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);
}
tentative_coordinates.put(job.getPickupLocation().getId(), job.getPickupLocation().getCoordinate());
tentative_coordinates.put(job.getDeliveryLocation().getId(), job.getDeliveryLocation().getCoordinate());
jobs.put(job.getId(), job);
}
private void addShipment(Shipment 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);
}
/**
* Adds a vehicle.
*
*
* @param vehicle vehicle to be added
* @return this builder
* @deprecated use addVehicle(AbstractVehicle vehicle) instead
*/
@Deprecated
public Builder addVehicle(Vehicle vehicle) {
if(!(vehicle instanceof AbstractVehicle)) throw new IllegalStateException("vehicle must be an AbstractVehicle");
return addVehicle((AbstractVehicle)vehicle);
}
/**
* Adds a vehicle.
*
* @param vehicle vehicle to be added
* @return this builder
* @deprecated use addVehicle(AbstractVehicle vehicle) instead
*/
@Deprecated
public Builder addVehicle(Vehicle vehicle) {
if (!(vehicle instanceof AbstractVehicle))
throw new IllegalStateException("vehicle must be an AbstractVehicle");
return addVehicle((AbstractVehicle) vehicle);
}
/**
* Adds a vehicle.
*
* @param vehicle vehicle to be added
* @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;
@ -376,97 +366,97 @@ 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) {
this.activityCosts = activityCosts;
return this;
}
* Sets the activity-costs.
*
* <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){
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) {
transportCosts = new CrowFlyCosts(getLocations());
}
for (Job job : tentativeJobs.values())
/**
* Builds the {@link VehicleRoutingProblem}.
*
* <p>If {@link VehicleRoutingTransportCosts} are not set, {@link CrowFlyCosts} is used.
*
* @return {@link VehicleRoutingProblem}
*/
public VehicleRoutingProblem build() {
if(transportCosts == null){
transportCosts = new CrowFlyCosts(getLocations());
}
for(Job job : tentativeJobs.values())
if (!jobsInInitialRoutes.contains(job.getId())) {
addJobToFinalJobMapAndCreateActivities(job);
}
return new VehicleRoutingProblem(this);
}
return new VehicleRoutingProblem(this);
}
@SuppressWarnings("UnusedDeclaration")
public Builder addLocation(String locationId, Coordinate coordinate) {
tentative_coordinates.put(locationId, coordinate);
return this;
}
tentative_coordinates.put(locationId, coordinate);
return this;
}
/**
* Adds a collection of jobs.
*
* @param jobs which is a collection of jobs that subclasses Job
* @return this builder
*/
@SuppressWarnings("deprecation")
/**
* Adds a collection of jobs.
*
* @param jobs which is a collection of jobs that subclasses Job
* @return this builder
*/
@SuppressWarnings("deprecation")
public Builder addAllJobs(Collection<? extends Job> jobs) {
for (Job j : jobs) {
addJob(j);
}
return this;
}
for(Job j : jobs){
addJob(j);
}
return this;
}
/**
* Adds a collection of vehicles.
*
* @param vehicles vehicles to be added
* @return this builder
*/
@SuppressWarnings("deprecation")
/**
* Adds a collection of vehicles.
*
* @param vehicles vehicles to be added
* @return this builder
*/
@SuppressWarnings("deprecation")
public Builder addAllVehicles(Collection<? extends Vehicle> vehicles) {
for (Vehicle v : vehicles) {
addVehicle(v);
}
return this;
}
for(Vehicle v : vehicles){
addVehicle(v);
}
return this;
}
/**
* Gets an unmodifiable collection of already added vehicles.
*
* @return collection of vehicles
*/
public Collection<Vehicle> getAddedVehicles() {
return Collections.unmodifiableCollection(uniqueVehicles);
}
/**
* Gets an unmodifiable collection of already added vehicles.
*
* @return collection of vehicles
*/
public Collection<Vehicle> getAddedVehicles(){
return Collections.unmodifiableCollection(uniqueVehicles);
}
/**
* Gets an unmodifiable collection of already added vehicle-types.
*
* @return collection of vehicle-types
*/
public Collection<VehicleType> getAddedVehicleTypes() {
return Collections.unmodifiableCollection(vehicleTypes);
}
/**
* Gets an unmodifiable collection of already added vehicle-types.
*
* @return collection of vehicle-types
*/
public Collection<VehicleType> getAddedVehicleTypes(){
return Collections.unmodifiableCollection(vehicleTypes);
}
/**
* Returns an unmodifiable collection of already added jobs.
*
* @return collection of jobs
*/
public Collection<Job> getAddedJobs() {
return Collections.unmodifiableCollection(tentativeJobs.values());
}
public Collection<Job> getAddedJobs(){
return Collections.unmodifiableCollection(tentativeJobs.values());
}
private Builder addService(Service service) {
tentative_coordinates.put(service.getLocation().getId(), service.getLocation().getCoordinate());
@ -478,58 +468,59 @@ public class VehicleRoutingProblem {
}
}
}
/**
* Enum that characterizes the fleet-size.
*
* @author sschroeder
*/
public static enum FleetSize {
FINITE, INFINITE
}
/**
* Enum that characterizes the fleet-size.
*
* @author sschroeder
*
*/
public static enum FleetSize {
FINITE, INFINITE
}
/**
* logger logging for this class
*/
private final static Logger logger = LogManager.getLogger(VehicleRoutingProblem.class);
/**
* logger logging for this class
*/
private final static Logger logger = LogManager.getLogger(VehicleRoutingProblem.class);
/**
* contains transportation costs, i.e. the costs traveling from location A to B
*/
private final VehicleRoutingTransportCosts transportCosts;
/**
* contains transportation costs, i.e. the costs traveling from location A to B
*/
private final VehicleRoutingTransportCosts transportCosts;
/**
* contains activity costs, i.e. the costs imposed by an activity
*/
private final VehicleRoutingActivityCosts activityCosts;
/**
* contains activity costs, i.e. the costs imposed by an activity
*/
private final VehicleRoutingActivityCosts activityCosts;
/**
* map of jobs, stored by jobId
*/
private final Map<String, Job> jobs;
/**
* map of jobs, stored by jobId
*/
private final Map<String, Job> jobs;
/**
* Collection that contains available vehicles.
*/
private final Collection<Vehicle> vehicles;
/**
* Collection that contains available vehicles.
*/
private final Collection<Vehicle> vehicles;
/**
* Collection that contains all available types.
*/
private final Collection<VehicleType> vehicleTypes;
/**
* Collection that contains all available types.
*/
private final Collection<VehicleType> vehicleTypes;
private final Collection<VehicleRoute> initialVehicleRoutes;
private final Collection<VehicleRoute> initialVehicleRoutes;
/**
* An enum that indicates type of fleetSize. By default, it is INFINTE
*/
private final FleetSize fleetSize;
/**
* An enum that indicates type of fleetSize. By default, it is INFINTE
*/
private final FleetSize fleetSize;
private final Locations locations;
private final Locations locations;
private Map<Job, List<AbstractActivity>> activityMap;
private Map<Job,List<AbstractActivity>> activityMap;
private int nuActivities;
@ -542,15 +533,15 @@ public class VehicleRoutingProblem {
};
private VehicleRoutingProblem(Builder builder) {
this.jobs = builder.jobs;
this.fleetSize = builder.fleetSize;
this.vehicles = builder.uniqueVehicles;
this.vehicleTypes = builder.vehicleTypes;
this.initialVehicleRoutes = builder.initialRoutes;
this.transportCosts = builder.transportCosts;
this.activityCosts = builder.activityCosts;
this.locations = builder.getLocations();
private VehicleRoutingProblem(Builder builder) {
this.jobs = builder.jobs;
this.fleetSize = builder.fleetSize;
this.vehicles=builder.uniqueVehicles;
this.vehicleTypes = builder.vehicleTypes;
this.initialVehicleRoutes = builder.initialRoutes;
this.transportCosts = builder.transportCosts;
this.activityCosts = builder.activityCosts;
this.locations = builder.getLocations();
this.activityMap = builder.activityMap;
this.nuActivities = builder.activityIndexCounter;
logger.info("setup problem: {}", this);
@ -562,103 +553,101 @@ public class VehicleRoutingProblem {
"transportCost=" + transportCosts + "][activityCosts=" + activityCosts + "]";
}
/**
* Returns type of fleetSize, either INFINITE or FINITE.
* <p/>
* <p>By default, it is INFINITE.
*
* @return either FleetSize.INFINITE or FleetSize.FINITE
*/
public FleetSize getFleetSize() {
return fleetSize;
}
/**
* Returns type of fleetSize, either INFINITE or FINITE.
*
* <p>By default, it is INFINITE.
*
* @return either FleetSize.INFINITE or FleetSize.FINITE
*/
public FleetSize getFleetSize() {
return fleetSize;
}
/**
* Returns the unmodifiable job map.
*
* @return unmodifiable jobMap
*/
public Map<String, Job> getJobs() {
return Collections.unmodifiableMap(jobs);
}
/**
* Returns the unmodifiable job map.
*
* @return unmodifiable jobMap
*/
public Map<String, Job> getJobs() {
return Collections.unmodifiableMap(jobs);
}
/**
* Returns a copy of initial vehicle routes.
*
* @return copied collection of initial vehicle routes
*/
public Collection<VehicleRoute> getInitialVehicleRoutes() {
Collection<VehicleRoute> copiedInitialRoutes = new ArrayList<VehicleRoute>();
for (VehicleRoute route : initialVehicleRoutes) {
public Collection<VehicleRoute> getInitialVehicleRoutes(){
Collection<VehicleRoute> copiedInitialRoutes = new ArrayList<VehicleRoute>();
for(VehicleRoute route : initialVehicleRoutes){
copiedInitialRoutes.add(VehicleRoute.copyOf(route));
}
return copiedInitialRoutes;
}
}
/**
* Returns the entire, unmodifiable collection of types.
*
* @return unmodifiable collection of types
* @see VehicleTypeImpl
*/
public Collection<VehicleType> getTypes() {
return Collections.unmodifiableCollection(vehicleTypes);
}
/**
* Returns the entire, unmodifiable collection of types.
*
* @return unmodifiable collection of types
* @see VehicleTypeImpl
*/
public Collection<VehicleType> getTypes(){
return Collections.unmodifiableCollection(vehicleTypes);
}
/**
* Returns the entire, unmodifiable collection of vehicles.
*
* @return unmodifiable collection of vehicles
* @see Vehicle
*/
public Collection<Vehicle> getVehicles() {
return Collections.unmodifiableCollection(vehicles);
}
/**
* Returns the entire, unmodifiable collection of vehicles.
*
* @return unmodifiable collection of vehicles
* @see Vehicle
*/
public Collection<Vehicle> getVehicles() {
return Collections.unmodifiableCollection(vehicles);
}
/**
* Returns routing costs.
*
* @return routingCosts
* @see VehicleRoutingTransportCosts
*/
public VehicleRoutingTransportCosts getTransportCosts() {
return transportCosts;
}
/**
* Returns routing costs.
*
* @return routingCosts
* @see VehicleRoutingTransportCosts
*/
public VehicleRoutingTransportCosts getTransportCosts() {
return transportCosts;
}
/**
* Returns activityCosts.
*/
public VehicleRoutingActivityCosts getActivityCosts() {
return activityCosts;
}
/**
* Returns activityCosts.
*/
public VehicleRoutingActivityCosts getActivityCosts(){
return activityCosts;
}
/**
* @return returns all location, i.e. from vehicles and jobs.
*/
public Locations getLocations() {
return locations;
}
public Locations getLocations(){
return locations;
}
/**
* @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;
}
}

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

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

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

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

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

@ -25,184 +25,186 @@ import java.util.*;
class VehicleFleetManagerImpl implements VehicleFleetManager {
public VehicleFleetManagerImpl newInstance(Collection<Vehicle> vehicles) {
return new VehicleFleetManagerImpl(vehicles);
}
public VehicleFleetManagerImpl newInstance(Collection<Vehicle> vehicles){
return new VehicleFleetManagerImpl(vehicles);
}
static class TypeContainer {
static class TypeContainer {
private ArrayList<Vehicle> vehicleList;
private ArrayList<Vehicle> vehicleList;
public TypeContainer() {
super();
vehicleList = new ArrayList<Vehicle>();
}
public TypeContainer() {
super();
vehicleList = new ArrayList<Vehicle>();
}
void add(Vehicle vehicle) {
if (vehicleList.contains(vehicle)) {
throw new IllegalStateException("cannot add vehicle twice " + vehicle.getId());
}
vehicleList.add(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) {
vehicleList.remove(vehicle);
}
void remove(Vehicle vehicle){
vehicleList.remove(vehicle);
}
public Vehicle getVehicle() {
return vehicleList.get(0);
public Vehicle getVehicle() {
return vehicleList.get(0);
// return vehicleList.getFirst();
}
}
public boolean isEmpty() {
return vehicleList.isEmpty();
}
public boolean isEmpty() {
return vehicleList.isEmpty();
}
}
}
private static Logger logger = LogManager.getLogger(VehicleFleetManagerImpl.class);
private static Logger logger = LogManager.getLogger(VehicleFleetManagerImpl.class);
private Collection<Vehicle> vehicles;
private Collection<Vehicle> vehicles;
private Set<Vehicle> lockedVehicles;
private Set<Vehicle> lockedVehicles;
private Map<VehicleTypeKey, TypeContainer> typeMapOfAvailableVehicles;
private Map<VehicleTypeKey,TypeContainer> typeMapOfAvailableVehicles;
private Map<VehicleTypeKey, Vehicle> penaltyVehicles = new HashMap<VehicleTypeKey, Vehicle>();
private Map<VehicleTypeKey,Vehicle> penaltyVehicles = new HashMap<VehicleTypeKey, Vehicle>();
public VehicleFleetManagerImpl(Collection<Vehicle> vehicles) {
super();
this.vehicles = vehicles;
this.lockedVehicles = new HashSet<Vehicle>();
makeMap();
logger.debug("initialise {}", this);
}
public VehicleFleetManagerImpl(Collection<Vehicle> vehicles) {
super();
this.vehicles = vehicles;
this.lockedVehicles = new HashSet<Vehicle>();
makeMap();
logger.debug("initialise " + this);
}
@Override
public String toString() {
return "[name=finiteVehicles]";
}
@Override
public String toString() {
return "[name=finiteVehicles]";
}
private void makeMap() {
typeMapOfAvailableVehicles = new HashMap<VehicleTypeKey, TypeContainer>();
penaltyVehicles = new HashMap<VehicleTypeKey, Vehicle>();
for (Vehicle v : vehicles) {
addVehicle(v);
}
}
private void makeMap() {
typeMapOfAvailableVehicles = new HashMap<VehicleTypeKey, TypeContainer>();
penaltyVehicles = new HashMap<VehicleTypeKey, Vehicle>();
for(Vehicle v : vehicles){
addVehicle(v);
}
}
private void addVehicle(Vehicle v) {
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)) {
typeMapOfAvailableVehicles.put(typeKey, new TypeContainer());
}
typeMapOfAvailableVehicles.get(typeKey).add(v);
private void addVehicle(Vehicle v) {
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(),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)) {
typeMapOfAvailableVehicles.get(key).remove(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(),v.isReturnToDepot() );
if(typeMapOfAvailableVehicles.containsKey(key)){
typeMapOfAvailableVehicles.get(key).remove(v);
}
}
/**
* 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
* 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()) {
vehicles.add(typeMapOfAvailableVehicles.get(key).getVehicle());
} else {
if (penaltyVehicles.containsKey(key)) {
vehicles.add(penaltyVehicles.get(key));
}
}
}
return vehicles;
}
/**
* Returns a collection of available vehicles.
*
*<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()){
vehicles.add(typeMapOfAvailableVehicles.get(key).getVehicle());
}
else{
if(penaltyVehicles.containsKey(key)){
vehicles.add(penaltyVehicles.get(key));
}
}
}
return vehicles;
}
@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()) {
vehicles.add(typeMapOfAvailableVehicles.get(key).getVehicle());
} else {
if (penaltyVehicles.containsKey(key)) {
vehicles.add(penaltyVehicles.get(key));
}
}
}
return vehicles;
}
@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(),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)){
vehicles.add(penaltyVehicles.get(key));
}
}
}
return vehicles;
}
/* (non-Javadoc)
* @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) {
return;
}
boolean locked = lockedVehicles.add(vehicle);
removeVehicle(vehicle);
if (!locked) {
throw new IllegalStateException("cannot lock vehicle twice " + vehicle.getId());
}
}
/* (non-Javadoc)
* @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){
return;
}
boolean locked = lockedVehicles.add(vehicle);
removeVehicle(vehicle);
if(!locked){
throw new IllegalStateException("cannot lock vehicle twice " + vehicle.getId());
}
}
/* (non-Javadoc)
* @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) {
return;
}
if (vehicle == null) return;
lockedVehicles.remove(vehicle);
addVehicle(vehicle);
}
/* (non-Javadoc)
* @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){
return;
}
if(vehicle == null) return;
lockedVehicles.remove(vehicle);
addVehicle(vehicle);
}
/* (non-Javadoc)
* @see org.matsim.contrib.freight.vrp.basics.VehicleFleetManager#isLocked(org.matsim.contrib.freight.vrp.basics.Vehicle)
*/
@Override
public boolean isLocked(Vehicle vehicle) {
return lockedVehicles.contains(vehicle);
}
/* (non-Javadoc)
* @see org.matsim.contrib.freight.vrp.basics.VehicleFleetManager#isLocked(org.matsim.contrib.freight.vrp.basics.Vehicle)
*/
@Override
public boolean isLocked(Vehicle vehicle) {
return lockedVehicles.contains(vehicle);
}
/* (non-Javadoc)
* @see org.matsim.contrib.freight.vrp.basics.VehicleFleetManager#unlockAll()
*/
@Override
public void unlockAll() {
Collection<Vehicle> locked = new ArrayList<Vehicle>(lockedVehicles);
for (Vehicle v : locked) {
unlock(v);
}
if (!lockedVehicles.isEmpty()) {
throw new IllegalStateException("no vehicle must be locked");
}
}
/* (non-Javadoc)
* @see org.matsim.contrib.freight.vrp.basics.VehicleFleetManager#unlockAll()
*/
@Override
public void unlockAll() {
Collection<Vehicle> locked = new ArrayList<Vehicle>(lockedVehicles);
for(Vehicle v : locked){
unlock(v);
}
if(!lockedVehicles.isEmpty()){
throw new IllegalStateException("no vehicle must be locked");
}
}
@Deprecated
public int sizeOfLockedVehicles() {
return lockedVehicles.size();
}
@Deprecated
public int sizeOfLockedVehicles(){
return lockedVehicles.size();
}
}

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

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

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

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

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

@ -23,39 +23,43 @@ import jsprit.core.problem.Skills;
/**
* Key to identify similar vehicles
* <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;
public final String endLocationId;
public final double earliestStart;
public final double latestEnd;
public final String type;
public final String startLocationId;
public final String endLocationId;
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) {
super();
this.type = typeId;
this.startLocationId = startLocationId;
this.endLocationId = endLocationId;
this.earliestStart = earliestStart;
this.latestEnd = latestEnd;
public VehicleTypeKey(String typeId, String startLocationId, String endLocationId, double earliestStart, double latestEnd, Skills skills, boolean returnToDepot) {
super();
this.type = typeId;
this.startLocationId = startLocationId;
this.endLocationId = endLocationId;
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;
@ -76,16 +80,18 @@ 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;
}
@Override
public String toString() {
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.append(type).append("_").append(startLocationId).append("_").append(endLocationId)
.append("_").append(Double.toString(earliestStart)).append("_").append(Double.toString(latestEnd));
return stringBuilder.toString();
}
public String toString() {
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.append(type).append("_").append(startLocationId).append("_").append(endLocationId)
.append("_").append(Double.toString(earliestStart)).append("_").append(Double.toString(latestEnd));
return stringBuilder.toString();
}
}