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Code Issues Releases Wiki Activity

add driver breaks

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oblonski 2015-08-05 14:39:05 +02:00
commit 2503a96237
25 changed files with 1020 additions and 66 deletions
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35
jsprit-core/src/main/java/jsprit/core/algorithm/VehicleRoutingAlgorithm.java
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@ -20,6 +20,7 @@ import jsprit.core.algorithm.SearchStrategy.DiscoveredSolution;
import jsprit.core.algorithm.listener.*; import jsprit.core.algorithm.listener.*;
import jsprit.core.algorithm.termination.PrematureAlgorithmTermination; import jsprit.core.algorithm.termination.PrematureAlgorithmTermination;
import jsprit.core.problem.VehicleRoutingProblem; import jsprit.core.problem.VehicleRoutingProblem;
import jsprit.core.problem.job.Job;
import jsprit.core.problem.solution.VehicleRoutingProblemSolution; import jsprit.core.problem.solution.VehicleRoutingProblemSolution;
import jsprit.core.problem.solution.route.VehicleRoute; import jsprit.core.problem.solution.route.VehicleRoute;
import jsprit.core.problem.solution.route.activity.TourActivity; import jsprit.core.problem.solution.route.activity.TourActivity;
@ -195,6 +196,7 @@ public class VehicleRoutingAlgorithm {
Collection<VehicleRoutingProblemSolution> solutions = new ArrayList<VehicleRoutingProblemSolution>(initialSolutions); Collection<VehicleRoutingProblemSolution> solutions = new ArrayList<VehicleRoutingProblemSolution>(initialSolutions);
algorithmStarts(problem,solutions); algorithmStarts(problem,solutions);
bestEver = Solutions.bestOf(solutions); bestEver = Solutions.bestOf(solutions);
if(logger.isTraceEnabled()) log(solutions);
logger.info("iterations start"); logger.info("iterations start");
for(int i=0;i< maxIterations;i++){ for(int i=0;i< maxIterations;i++){
iterationStarts(i+1,problem,solutions); iterationStarts(i+1,problem,solutions);
@ -202,7 +204,7 @@ public class VehicleRoutingAlgorithm {
counter.incCounter(); counter.incCounter();
SearchStrategy strategy = searchStrategyManager.getRandomStrategy(); SearchStrategy strategy = searchStrategyManager.getRandomStrategy();
DiscoveredSolution discoveredSolution = strategy.run(problem, solutions); DiscoveredSolution discoveredSolution = strategy.run(problem, solutions);
logger.trace("discovered solution: " + discoveredSolution); if(logger.isTraceEnabled()) log(discoveredSolution);
memorizeIfBestEver(discoveredSolution); memorizeIfBestEver(discoveredSolution);
selectedStrategy(discoveredSolution,problem,solutions); selectedStrategy(discoveredSolution,problem,solutions);
if(terminationManager.isPrematureBreak(discoveredSolution)){ if(terminationManager.isPrematureBreak(discoveredSolution)){
@ -219,6 +221,37 @@ public class VehicleRoutingAlgorithm {
return solutions; return solutions;
} }
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 addBestEver(Collection<VehicleRoutingProblemSolution> solutions) { private void addBestEver(Collection<VehicleRoutingProblemSolution> solutions) {
if(bestEver != null) solutions.add(bestEver); if(bestEver != null) solutions.add(bestEver);
} }

1
jsprit-core/src/main/java/jsprit/core/algorithm/box/Jsprit.java
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@ -554,6 +554,7 @@ public class Jsprit {
TourActivity prevAct = route.getStart(); TourActivity prevAct = route.getStart();
for(TourActivity act : route.getActivities()){ for(TourActivity act : route.getActivities()){
costs += vrp.getTransportCosts().getTransportCost(prevAct.getLocation(),act.getLocation(),prevAct.getEndTime(),route.getDriver(),route.getVehicle()); costs += vrp.getTransportCosts().getTransportCost(prevAct.getLocation(),act.getLocation(),prevAct.getEndTime(),route.getDriver(),route.getVehicle());
costs += vrp.getActivityCosts().getActivityCost(act,act.getArrTime(),route.getDriver(),route.getVehicle());
prevAct = act; prevAct = act;
} }
costs += vrp.getTransportCosts().getTransportCost(prevAct.getLocation(),route.getEnd().getLocation(),prevAct.getEndTime(),route.getDriver(),route.getVehicle()); costs += vrp.getTransportCosts().getTransportCost(prevAct.getLocation(),route.getEnd().getLocation(),prevAct.getEndTime(),route.getDriver(),route.getVehicle());

40
jsprit-core/src/main/java/jsprit/core/algorithm/recreate/ConfigureLocalActivityInsertionCalculator.java Normal file
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@ -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));
}
}

10
jsprit-core/src/main/java/jsprit/core/algorithm/recreate/JobInsertionCostsCalculatorBuilder.java
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@ -259,8 +259,10 @@ public class JobInsertionCostsCalculatorBuilder {
if(constraintManager == null) throw new IllegalStateException("constraint-manager is null"); if(constraintManager == null) throw new IllegalStateException("constraint-manager is null");
ActivityInsertionCostsCalculator actInsertionCalc; ActivityInsertionCostsCalculator actInsertionCalc;
ConfigureLocalActivityInsertionCalculator configLocal = null;
if(activityInsertionCostCalculator == null && addDefaultCostCalc){ if(activityInsertionCostCalculator == null && addDefaultCostCalc){
actInsertionCalc = new LocalActivityInsertionCostsCalculator(vrp.getTransportCosts(), vrp.getActivityCosts()); actInsertionCalc = new LocalActivityInsertionCostsCalculator(vrp.getTransportCosts(), vrp.getActivityCosts(), statesManager);
configLocal = new ConfigureLocalActivityInsertionCalculator(vrp, (LocalActivityInsertionCostsCalculator) actInsertionCalc);
} }
else if(activityInsertionCostCalculator == null && !addDefaultCostCalc){ else if(activityInsertionCostCalculator == null && !addDefaultCostCalc){
actInsertionCalc = new ActivityInsertionCostsCalculator(){ actInsertionCalc = new ActivityInsertionCostsCalculator(){
@ -300,7 +302,11 @@ public class JobInsertionCostsCalculatorBuilder {
switcher.put(Delivery.class, serviceInsertion); switcher.put(Delivery.class, serviceInsertion);
switcher.put(Break.class, breakInsertionCalculator); switcher.put(Break.class, breakInsertionCalculator);
return new CalculatorPlusListeners(switcher); CalculatorPlusListeners calculatorPlusListeners = new CalculatorPlusListeners(switcher);
if(configLocal != null){
calculatorPlusListeners.insertionListener.add(configLocal);
}
return calculatorPlusListeners;
} }
private CalculatorPlusListeners createCalculatorConsideringFixedCosts(VehicleRoutingProblem vrp, JobInsertionCostsCalculator baseCalculator, RouteAndActivityStateGetter activityStates2, double weightOfFixedCosts){ private CalculatorPlusListeners createCalculatorConsideringFixedCosts(VehicleRoutingProblem vrp, JobInsertionCostsCalculator baseCalculator, RouteAndActivityStateGetter activityStates2, double weightOfFixedCosts){

52
jsprit-core/src/main/java/jsprit/core/algorithm/recreate/LocalActivityInsertionCostsCalculator.java
View file

@ -18,11 +18,14 @@
package jsprit.core.algorithm.recreate; package jsprit.core.algorithm.recreate;
import jsprit.core.algorithm.state.InternalStates;
import jsprit.core.problem.cost.VehicleRoutingActivityCosts; import jsprit.core.problem.cost.VehicleRoutingActivityCosts;
import jsprit.core.problem.cost.VehicleRoutingTransportCosts; import jsprit.core.problem.cost.VehicleRoutingTransportCosts;
import jsprit.core.problem.misc.JobInsertionContext; import jsprit.core.problem.misc.JobInsertionContext;
import jsprit.core.problem.solution.route.activity.End; import jsprit.core.problem.solution.route.activity.End;
import jsprit.core.problem.solution.route.activity.TourActivity; import jsprit.core.problem.solution.route.activity.TourActivity;
import jsprit.core.problem.solution.route.state.RouteAndActivityStateGetter;
import jsprit.core.problem.vehicle.Vehicle;
import jsprit.core.util.CalculationUtils; import jsprit.core.util.CalculationUtils;
/** /**
@ -41,11 +44,17 @@ class LocalActivityInsertionCostsCalculator implements ActivityInsertionCostsCal
private VehicleRoutingActivityCosts activityCosts; private VehicleRoutingActivityCosts activityCosts;
private double activityCostsWeight = 1.;
public LocalActivityInsertionCostsCalculator(VehicleRoutingTransportCosts routingCosts, VehicleRoutingActivityCosts actCosts) { private double solutionCompletenessRatio = 1.;
private RouteAndActivityStateGetter stateManager;
public LocalActivityInsertionCostsCalculator(VehicleRoutingTransportCosts routingCosts, VehicleRoutingActivityCosts actCosts, RouteAndActivityStateGetter stateManager) {
super(); super();
this.routingCosts = routingCosts; this.routingCosts = routingCosts;
this.activityCosts = actCosts; this.activityCosts = actCosts;
this.stateManager = stateManager;
} }
@Override @Override
@ -55,35 +64,50 @@ class LocalActivityInsertionCostsCalculator implements ActivityInsertionCostsCal
double tp_time_prevAct_newAct = routingCosts.getTransportTime(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_arrTime = depTimeAtPrevAct + tp_time_prevAct_newAct;
double newAct_endTime = CalculationUtils.getActivityEndTime(newAct_arrTime, newAct); double newAct_endTime = CalculationUtils.getActivityEndTime(newAct_arrTime, newAct);
double act_costs_newAct = activityCosts.getActivityCost(newAct, newAct_arrTime, iFacts.getNewDriver(), iFacts.getNewVehicle()); double act_costs_newAct = activityCosts.getActivityCost(newAct, newAct_arrTime, iFacts.getNewDriver(), iFacts.getNewVehicle());
//open routes if(isEnd(nextAct) && !toDepot(iFacts.getNewVehicle())) return tp_costs_prevAct_newAct;
if(nextAct instanceof End){
if(!iFacts.getNewVehicle().isReturnToDepot()){
return tp_costs_prevAct_newAct;
}
}
double tp_costs_newAct_nextAct = routingCosts.getTransportCost(newAct.getLocation(), nextAct.getLocation(), newAct_endTime, iFacts.getNewDriver(), iFacts.getNewVehicle()); double tp_costs_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 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 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 act_costs_nextAct = activityCosts.getActivityCost(nextAct, nextAct_arrTime, iFacts.getNewDriver(), iFacts.getNewVehicle());
double totalCosts = tp_costs_prevAct_newAct + tp_costs_newAct_nextAct + act_costs_newAct + act_costs_nextAct;
double oldCosts; 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()){ if(iFacts.getRoute().isEmpty()){
double tp_costs_prevAct_nextAct = routingCosts.getTransportCost(prevAct.getLocation(), nextAct.getLocation(), depTimeAtPrevAct, iFacts.getNewDriver(), iFacts.getNewVehicle()); 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()); oldCosts += tp_costs_prevAct_nextAct;
double actCost_nextAct = activityCosts.getActivityCost(nextAct, arrTime_nextAct, iFacts.getNewDriver(), iFacts.getNewVehicle());
oldCosts = tp_costs_prevAct_nextAct + actCost_nextAct;
} }
else{ else{
double tp_costs_prevAct_nextAct = routingCosts.getTransportCost(prevAct.getLocation(), nextAct.getLocation(), prevAct.getEndTime(), iFacts.getRoute().getDriver(), iFacts.getRoute().getVehicle()); double tp_costs_prevAct_nextAct = routingCosts.getTransportCost(prevAct.getLocation(), nextAct.getLocation(), prevAct.getEndTime(), iFacts.getRoute().getDriver(), iFacts.getRoute().getVehicle());
double arrTime_nextAct = routingCosts.getTransportTime(prevAct.getLocation(), nextAct.getLocation(), prevAct.getEndTime(), iFacts.getRoute().getDriver(), iFacts.getRoute().getVehicle()); double arrTime_nextAct = depTimeAtPrevAct + routingCosts.getTransportTime(prevAct.getLocation(), nextAct.getLocation(), prevAct.getEndTime(), iFacts.getRoute().getDriver(), iFacts.getRoute().getVehicle());
double endTime_nextAct_old = CalculationUtils.getActivityEndTime(arrTime_nextAct,nextAct);
double actCost_nextAct = activityCosts.getActivityCost(nextAct, arrTime_nextAct, iFacts.getRoute().getDriver(), iFacts.getRoute().getVehicle()); double actCost_nextAct = activityCosts.getActivityCost(nextAct, arrTime_nextAct, iFacts.getRoute().getDriver(), iFacts.getRoute().getVehicle());
oldCosts = tp_costs_prevAct_nextAct + actCost_nextAct;
double endTimeDelay_nextAct = Math.max(0, endTime_nextAct_new - endTime_nextAct_old);
Double futureWaiting = stateManager.getActivityState(nextAct, iFacts.getRoute().getVehicle(), InternalStates.FUTURE_WAITING, Double.class);
if (futureWaiting == null) futureWaiting = 0.;
double waitingTime_savings_timeUnit = Math.min(futureWaiting, endTimeDelay_nextAct);
double waitingTime_savings = waitingTime_savings_timeUnit * iFacts.getRoute().getVehicle().getType().getVehicleCostParams().perWaitingTimeUnit;
oldCosts += solutionCompletenessRatio * activityCostsWeight * waitingTime_savings;
oldCosts += tp_costs_prevAct_nextAct + solutionCompletenessRatio * activityCostsWeight * actCost_nextAct;
} }
return totalCosts - oldCosts; 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;
}
} }

6
jsprit-core/src/main/java/jsprit/core/algorithm/recreate/VehicleTypeDependentJobInsertionCalculator.java
View file

@ -109,9 +109,9 @@ final class VehicleTypeDependentJobInsertionCalculator implements JobInsertionCo
relevantVehicles.addAll(fleetManager.getAvailableVehicles()); relevantVehicles.addAll(fleetManager.getAvailableVehicles());
} }
for(Vehicle v : relevantVehicles){ for(Vehicle v : relevantVehicles){
double depTime; double depTime = v.getEarliestDeparture();
if(v == selectedVehicle) depTime = currentRoute.getDepartureTime(); // if(v == selectedVehicle) depTime = currentRoute.getDepartureTime();
else depTime = v.getEarliestDeparture(); // else depTime = v.getEarliestDeparture();
InsertionData iData = insertionCalculator.getInsertionData(currentRoute, jobToInsert, v, depTime, selectedDriver, bestKnownCost_); InsertionData iData = insertionCalculator.getInsertionData(currentRoute, jobToInsert, v, depTime, selectedDriver, bestKnownCost_);
if(iData instanceof NoInsertionFound) { if(iData instanceof NoInsertionFound) {
continue; continue;

8
jsprit-core/src/main/java/jsprit/core/algorithm/state/InternalStates.java
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@ -42,4 +42,12 @@ public class InternalStates {
public final static StateId PAST_MAXLOAD = new StateFactory.StateIdImpl("past_max_load", 9); public final static StateId PAST_MAXLOAD = new StateFactory.StateIdImpl("past_max_load", 9);
public static final StateId SKILLS = new StateFactory.StateIdImpl("skills", 10); public static final StateId SKILLS = new StateFactory.StateIdImpl("skills", 10);
public static final StateId WAITING = new StateFactory.StateIdImpl("waiting",11);
public static final StateId TIME_SLACK = new StateFactory.StateIdImpl("time_slack",12);
public static final StateId FUTURE_WAITING = new StateFactory.StateIdImpl("future_waiting",13);
public static final StateId EARLIEST_WITHOUT_WAITING = new StateFactory.StateIdImpl("earliest_without_waiting",14);
} }

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

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

21
jsprit-core/src/main/java/jsprit/core/algorithm/state/UpdateVehicleDependentPracticalTimeWindows.java
View file

@ -19,15 +19,26 @@ package jsprit.core.algorithm.state;
import jsprit.core.problem.Location; import jsprit.core.problem.Location;
import jsprit.core.problem.cost.VehicleRoutingTransportCosts; import jsprit.core.problem.cost.VehicleRoutingTransportCosts;
import jsprit.core.problem.solution.route.RouteVisitor;
import jsprit.core.problem.solution.route.VehicleRoute; import jsprit.core.problem.solution.route.VehicleRoute;
import jsprit.core.problem.solution.route.activity.ReverseActivityVisitor;
import jsprit.core.problem.solution.route.activity.TourActivity; import jsprit.core.problem.solution.route.activity.TourActivity;
import jsprit.core.problem.vehicle.Vehicle; import jsprit.core.problem.vehicle.Vehicle;
import java.util.Arrays; import java.util.Arrays;
import java.util.Collection; import java.util.Collection;
import java.util.Iterator;
public class UpdateVehicleDependentPracticalTimeWindows implements ReverseActivityVisitor, StateUpdater{ public class UpdateVehicleDependentPracticalTimeWindows implements RouteVisitor, StateUpdater{
@Override
public void visit(VehicleRoute route) {
begin(route);
Iterator<TourActivity> revIterator = route.getTourActivities().reverseActivityIterator();
while(revIterator.hasNext()){
visit(revIterator.next());
}
finish();
}
public static interface VehiclesToUpdate { public static interface VehiclesToUpdate {
@ -68,7 +79,7 @@ public class UpdateVehicleDependentPracticalTimeWindows implements ReverseActivi
this.vehiclesToUpdate = vehiclesToUpdate; this.vehiclesToUpdate = vehiclesToUpdate;
} }
@Override
public void begin(VehicleRoute route) { public void begin(VehicleRoute route) {
this.route = route; this.route = route;
vehicles = vehiclesToUpdate.get(route); vehicles = vehiclesToUpdate.get(route);
@ -78,7 +89,7 @@ public class UpdateVehicleDependentPracticalTimeWindows implements ReverseActivi
} }
} }
@Override
public void visit(TourActivity activity) { public void visit(TourActivity activity) {
for(Vehicle vehicle : vehicles){ for(Vehicle vehicle : vehicles){
double latestArrTimeAtPrevAct = latest_arrTimes_at_prevAct[vehicle.getVehicleTypeIdentifier().getIndex()]; double latestArrTimeAtPrevAct = latest_arrTimes_at_prevAct[vehicle.getVehicleTypeIdentifier().getIndex()];
@ -92,7 +103,7 @@ public class UpdateVehicleDependentPracticalTimeWindows implements ReverseActivi
} }
} }
@Override
public void finish() {} public void finish() {}
} }

16
jsprit-core/src/main/java/jsprit/core/problem/VehicleRoutingProblem.java
View file

@ -18,7 +18,7 @@ package jsprit.core.problem;
import jsprit.core.problem.cost.VehicleRoutingActivityCosts; import jsprit.core.problem.cost.VehicleRoutingActivityCosts;
import jsprit.core.problem.cost.VehicleRoutingTransportCosts; import jsprit.core.problem.cost.VehicleRoutingTransportCosts;
import jsprit.core.problem.driver.Driver; import jsprit.core.problem.cost.WaitingTimeCosts;
import jsprit.core.problem.job.Job; import jsprit.core.problem.job.Job;
import jsprit.core.problem.job.Service; import jsprit.core.problem.job.Service;
import jsprit.core.problem.job.Shipment; import jsprit.core.problem.job.Shipment;
@ -76,19 +76,7 @@ public class VehicleRoutingProblem {
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;
}
@Override
public String toString() {
return "[name=defaultActivityCosts]";
}
};
private Map<String,Job> jobs = new LinkedHashMap<String, Job>(); private Map<String,Job> jobs = new LinkedHashMap<String, Job>();

20
jsprit-core/src/main/java/jsprit/core/problem/cost/WaitingTimeCosts.java Normal file
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@ -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;
}
}

4
jsprit-core/src/main/java/jsprit/core/problem/vehicle/InfiniteVehicles.java
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@ -47,7 +47,7 @@ class InfiniteVehicles implements VehicleFleetManager{
private void extractTypes(Collection<Vehicle> vehicles) { private void extractTypes(Collection<Vehicle> vehicles) {
for(Vehicle v : vehicles){ for(Vehicle v : vehicles){
VehicleTypeKey typeKey = new VehicleTypeKey(v.getType().getTypeId(), v.getStartLocation().getId(),v.getEndLocation().getId(), v.getEarliestDeparture(), v.getLatestArrival(), v.getSkills()); VehicleTypeKey typeKey = new VehicleTypeKey(v.getType().getTypeId(), v.getStartLocation().getId(),v.getEndLocation().getId(), v.getEarliestDeparture(), v.getLatestArrival(), v.getSkills(), v.isReturnToDepot());
types.put(typeKey,v); types.put(typeKey,v);
// sortedTypes.add(typeKey); // sortedTypes.add(typeKey);
} }
@ -83,7 +83,7 @@ class InfiniteVehicles implements VehicleFleetManager{
@Override @Override
public Collection<Vehicle> getAvailableVehicles(Vehicle withoutThisType) { public Collection<Vehicle> getAvailableVehicles(Vehicle withoutThisType) {
Collection<Vehicle> vehicles = new ArrayList<Vehicle>(); Collection<Vehicle> vehicles = new ArrayList<Vehicle>();
VehicleTypeKey thisKey = new VehicleTypeKey(withoutThisType.getType().getTypeId(), withoutThisType.getStartLocation().getId(), withoutThisType.getEndLocation().getId(), withoutThisType.getEarliestDeparture(), withoutThisType.getLatestArrival(), withoutThisType.getSkills()); VehicleTypeKey thisKey = new VehicleTypeKey(withoutThisType.getType().getTypeId(), withoutThisType.getStartLocation().getId(), withoutThisType.getEndLocation().getId(), withoutThisType.getEarliestDeparture(), withoutThisType.getLatestArrival(), withoutThisType.getSkills(), withoutThisType.isReturnToDepot());
for(VehicleTypeKey key : types.keySet()){ for(VehicleTypeKey key : types.keySet()){
if(!key.equals(thisKey)){ if(!key.equals(thisKey)){
vehicles.add(types.get(key)); vehicles.add(types.get(key));

6
jsprit-core/src/main/java/jsprit/core/problem/vehicle/VehicleFleetManagerImpl.java
View file

@ -96,7 +96,7 @@ class VehicleFleetManagerImpl implements VehicleFleetManager {
if(v.getType() == null){ if(v.getType() == null){
throw new IllegalStateException("vehicle needs type"); throw new IllegalStateException("vehicle needs type");
} }
VehicleTypeKey typeKey = new VehicleTypeKey(v.getType().getTypeId(), v.getStartLocation().getId(), v.getEndLocation().getId(), v.getEarliestDeparture(), v.getLatestArrival(), v.getSkills()); VehicleTypeKey typeKey = new VehicleTypeKey(v.getType().getTypeId(), v.getStartLocation().getId(), v.getEndLocation().getId(), v.getEarliestDeparture(), v.getLatestArrival(), v.getSkills(),v.isReturnToDepot() );
if(!typeMapOfAvailableVehicles.containsKey(typeKey)){ if(!typeMapOfAvailableVehicles.containsKey(typeKey)){
typeMapOfAvailableVehicles.put(typeKey, new TypeContainer()); typeMapOfAvailableVehicles.put(typeKey, new TypeContainer());
} }
@ -105,7 +105,7 @@ class VehicleFleetManagerImpl implements VehicleFleetManager {
} }
private void removeVehicle(Vehicle v){ private void removeVehicle(Vehicle v){
VehicleTypeKey key = new VehicleTypeKey(v.getType().getTypeId(), v.getStartLocation().getId(), v.getEndLocation().getId(), v.getEarliestDeparture(), v.getLatestArrival(), v.getSkills()); VehicleTypeKey key = new VehicleTypeKey(v.getType().getTypeId(), v.getStartLocation().getId(), v.getEndLocation().getId(), v.getEarliestDeparture(), v.getLatestArrival(), v.getSkills(),v.isReturnToDepot() );
if(typeMapOfAvailableVehicles.containsKey(key)){ if(typeMapOfAvailableVehicles.containsKey(key)){
typeMapOfAvailableVehicles.get(key).remove(v); typeMapOfAvailableVehicles.get(key).remove(v);
} }
@ -137,7 +137,7 @@ class VehicleFleetManagerImpl implements VehicleFleetManager {
@Override @Override
public Collection<Vehicle> getAvailableVehicles(Vehicle withoutThisType) { public Collection<Vehicle> getAvailableVehicles(Vehicle withoutThisType) {
List<Vehicle> vehicles = new ArrayList<Vehicle>(); List<Vehicle> vehicles = new ArrayList<Vehicle>();
VehicleTypeKey thisKey = new VehicleTypeKey(withoutThisType.getType().getTypeId(), withoutThisType.getStartLocation().getId(), withoutThisType.getEndLocation().getId(), withoutThisType.getEarliestDeparture(), withoutThisType.getLatestArrival(), withoutThisType.getSkills()); VehicleTypeKey thisKey = new VehicleTypeKey(withoutThisType.getType().getTypeId(), withoutThisType.getStartLocation().getId(), withoutThisType.getEndLocation().getId(), withoutThisType.getEarliestDeparture(), withoutThisType.getLatestArrival(), withoutThisType.getSkills(),withoutThisType.isReturnToDepot() );
for(VehicleTypeKey key : typeMapOfAvailableVehicles.keySet()){ for(VehicleTypeKey key : typeMapOfAvailableVehicles.keySet()){
if(key.equals(thisKey)) continue; if(key.equals(thisKey)) continue;
if(!typeMapOfAvailableVehicles.get(key).isEmpty()){ if(!typeMapOfAvailableVehicles.get(key).isEmpty()){

3
jsprit-core/src/main/java/jsprit/core/problem/vehicle/VehicleImpl.java
View file

@ -297,7 +297,8 @@ public class VehicleImpl extends AbstractVehicle{
endLocation = builder.endLocation; endLocation = builder.endLocation;
startLocation = builder.startLocation; startLocation = builder.startLocation;
aBreak = builder.aBreak; aBreak = builder.aBreak;
setVehicleIdentifier(new VehicleTypeKey(type.getTypeId(),startLocation.getId(),endLocation.getId(),earliestDeparture,latestArrival,skills)); // setVehicleIdentifier(new VehicleTypeKey(type.getTypeId(),startLocation.getId(),endLocation.getId(),earliestDeparture,latestArrival,skills));
setVehicleIdentifier(new VehicleTypeKey(type.getTypeId(),startLocation.getId(),endLocation.getId(),earliestDeparture,latestArrival,skills, returnToDepot));
} }
/** /**

54
jsprit-core/src/main/java/jsprit/core/problem/vehicle/VehicleTypeImpl.java
View file

@ -42,19 +42,32 @@ public class VehicleTypeImpl implements VehicleType {
} }
public final double fix; public final double fix;
@Deprecated
public final double perTimeUnit; public final double perTimeUnit;
public final double perTransportTimeUnit;
public final double perDistanceUnit; public final double perDistanceUnit;
public final double perWaitingTimeUnit;
private VehicleCostParams(double fix, double perTimeUnit,double perDistanceUnit) { private VehicleCostParams(double fix, double perTimeUnit,double perDistanceUnit) {
super(); super();
this.fix = fix; this.fix = fix;
this.perTimeUnit = perTimeUnit; this.perTimeUnit = perTimeUnit;
this.perTransportTimeUnit = perTimeUnit;
this.perDistanceUnit = perDistanceUnit; this.perDistanceUnit = perDistanceUnit;
this.perWaitingTimeUnit = 0.;
}
public VehicleCostParams(double fix, double perTimeUnit, double perDistanceUnit, double perWaitingTimeUnit) {
this.fix = fix;
this.perTimeUnit = perTimeUnit;
this.perTransportTimeUnit = perTimeUnit;
this.perDistanceUnit = perDistanceUnit;
this.perWaitingTimeUnit = perWaitingTimeUnit;
} }
@Override @Override
public String toString() { public String toString() {
return "[fixed="+fix+"][perTime="+perTimeUnit+"][perDistance="+perDistanceUnit+"]"; return "[fixed="+fix+"][perTime="+perTransportTimeUnit+"][perDistance="+perDistanceUnit+"][perWaitingTimeUnit="+perWaitingTimeUnit+"]";
} }
} }
@ -66,6 +79,8 @@ public class VehicleTypeImpl implements VehicleType {
*/ */
public static class Builder{ public static class Builder{
public static VehicleTypeImpl.Builder newInstance(String id) { public static VehicleTypeImpl.Builder newInstance(String id) {
if(id==null) throw new IllegalStateException(); if(id==null) throw new IllegalStateException();
return new Builder(id); return new Builder(id);
@ -80,6 +95,7 @@ public class VehicleTypeImpl implements VehicleType {
private double fixedCost = 0.0; private double fixedCost = 0.0;
private double perDistance = 1.0; private double perDistance = 1.0;
private double perTime = 0.0; private double perTime = 0.0;
private double perWaitingTime = 0.0;
private String profile = "car"; private String profile = "car";
@ -143,13 +159,47 @@ public class VehicleTypeImpl implements VehicleType {
* @param perTime * @param perTime
* @return this builder * @return this builder
* @throws IllegalStateException if costPerTime is smaller than zero * @throws IllegalStateException if costPerTime is smaller than zero
* @deprecated use .setCostPerTransportTime(..) instead
*/ */
@Deprecated
public VehicleTypeImpl.Builder setCostPerTime(double perTime){ public VehicleTypeImpl.Builder setCostPerTime(double perTime){
if(perTime < 0.0) throw new IllegalStateException(); if(perTime < 0.0) throw new IllegalStateException();
this.perTime = perTime; this.perTime = perTime;
return this; return this;
} }
/**
* Sets cost per time unit, for instance € per second.
*
* <p>by default it is 0.0
*
* @param perTime
* @return this builder
* @throws IllegalStateException if costPerTime is smaller than zero
*
*/
public VehicleTypeImpl.Builder setCostPerTransportTime(double perTime){
if(perTime < 0.0) throw new IllegalStateException();
this.perTime = perTime;
return this;
}
/**
* Sets cost per waiting time unit, for instance € per second.
*
* <p>by default it is 0.0
*
* @param perWaitingTime
* @return this builder
* @throws IllegalStateException if costPerTime is smaller than zero
*
*/
public VehicleTypeImpl.Builder setCostPerWaitingTime(double perWaitingTime){
if(perWaitingTime < 0.0) throw new IllegalStateException();
this.perWaitingTime = perWaitingTime;
return this;
}
/** /**
* Builds the vehicle-type. * Builds the vehicle-type.
* *
@ -256,7 +306,7 @@ public class VehicleTypeImpl implements VehicleType {
typeId = builder.id; typeId = builder.id;
capacity = builder.capacity; capacity = builder.capacity;
maxVelocity = builder.maxVelo; maxVelocity = builder.maxVelo;
vehicleCostParams = new VehicleCostParams(builder.fixedCost, builder.perTime, builder.perDistance); vehicleCostParams = new VehicleCostParams(builder.fixedCost, builder.perTime, builder.perDistance, builder.perWaitingTime);
capacityDimensions = builder.capacityDimensions; capacityDimensions = builder.capacityDimensions;
profile = builder.profile; profile = builder.profile;
} }

8
jsprit-core/src/main/java/jsprit/core/problem/vehicle/VehicleTypeKey.java
View file

@ -37,8 +37,9 @@ public class VehicleTypeKey extends AbstractVehicle.AbstractTypeKey{
public final double earliestStart; public final double earliestStart;
public final double latestEnd; public final double latestEnd;
public final Skills skills; public final Skills skills;
public final boolean returnToDepot;
public VehicleTypeKey(String typeId, String startLocationId, String endLocationId, double earliestStart, double latestEnd, Skills skills) { public VehicleTypeKey(String typeId, String startLocationId, String endLocationId, double earliestStart, double latestEnd, Skills skills, boolean returnToDepot) {
super(); super();
this.type = typeId; this.type = typeId;
this.startLocationId = startLocationId; this.startLocationId = startLocationId;
@ -46,17 +47,19 @@ public class VehicleTypeKey extends AbstractVehicle.AbstractTypeKey{
this.earliestStart = earliestStart; this.earliestStart = earliestStart;
this.latestEnd = latestEnd; this.latestEnd = latestEnd;
this.skills = skills; this.skills = skills;
this.returnToDepot=returnToDepot;
} }
@Override @Override
public boolean equals(Object o) { public boolean equals(Object o) {
if (this == o) return true; if (this == o) return true;
if (!(o instanceof VehicleTypeKey)) return false; if (o == null || getClass() != o.getClass()) return false;
VehicleTypeKey that = (VehicleTypeKey) o; VehicleTypeKey that = (VehicleTypeKey) o;
if (Double.compare(that.earliestStart, earliestStart) != 0) return false; if (Double.compare(that.earliestStart, earliestStart) != 0) return false;
if (Double.compare(that.latestEnd, latestEnd) != 0) return false; if (Double.compare(that.latestEnd, latestEnd) != 0) return false;
if (returnToDepot != that.returnToDepot) return false;
if (!endLocationId.equals(that.endLocationId)) return false; if (!endLocationId.equals(that.endLocationId)) return false;
if (!skills.equals(that.skills)) return false; if (!skills.equals(that.skills)) return false;
if (!startLocationId.equals(that.startLocationId)) return false; if (!startLocationId.equals(that.startLocationId)) return false;
@ -77,6 +80,7 @@ public class VehicleTypeKey extends AbstractVehicle.AbstractTypeKey{
temp = Double.doubleToLongBits(latestEnd); temp = Double.doubleToLongBits(latestEnd);
result = 31 * result + (int) (temp ^ (temp >>> 32)); result = 31 * result + (int) (temp ^ (temp >>> 32));
result = 31 * result + skills.hashCode(); result = 31 * result + skills.hashCode();
result = 31 * result + (returnToDepot ? 1 : 0);
return result; return result;
} }

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

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

2
jsprit-core/src/test/java/jsprit/core/algorithm/recreate/ServiceInsertionAndLoadConstraintsTest.java
View file

@ -95,7 +95,7 @@ public class ServiceInsertionAndLoadConstraintsTest {
routingCosts = CostFactory.createManhattanCosts(); routingCosts = CostFactory.createManhattanCosts();
VehicleType type = VehicleTypeImpl.Builder.newInstance("t").addCapacityDimension(0, 2).setCostPerDistance(1).build(); VehicleType type = VehicleTypeImpl.Builder.newInstance("t").addCapacityDimension(0, 2).setCostPerDistance(1).build();
vehicle = VehicleImpl.Builder.newInstance("v").setStartLocation(Location.newInstance("0,0")).setType(type).build(); vehicle = VehicleImpl.Builder.newInstance("v").setStartLocation(Location.newInstance("0,0")).setType(type).build();
activityInsertionCostsCalculator = new LocalActivityInsertionCostsCalculator(routingCosts, activityCosts); activityInsertionCostsCalculator = new LocalActivityInsertionCostsCalculator(routingCosts, activityCosts, mock(StateManager.class));
createInsertionCalculator(hardRouteLevelConstraint); createInsertionCalculator(hardRouteLevelConstraint);
vehicleRoutingProblem = mock(VehicleRoutingProblem.class); vehicleRoutingProblem = mock(VehicleRoutingProblem.class);
} }

2
jsprit-core/src/test/java/jsprit/core/algorithm/recreate/ShipmentInsertionCalculatorTest.java
View file

@ -94,7 +94,7 @@ public class ShipmentInsertionCalculatorTest {
routingCosts = CostFactory.createManhattanCosts(); routingCosts = CostFactory.createManhattanCosts();
VehicleType type = VehicleTypeImpl.Builder.newInstance("t").addCapacityDimension(0, 2).setCostPerDistance(1).build(); VehicleType type = VehicleTypeImpl.Builder.newInstance("t").addCapacityDimension(0, 2).setCostPerDistance(1).build();
vehicle = VehicleImpl.Builder.newInstance("v").setStartLocation(Location.newInstance("0,0")).setType(type).build(); vehicle = VehicleImpl.Builder.newInstance("v").setStartLocation(Location.newInstance("0,0")).setType(type).build();
activityInsertionCostsCalculator = new LocalActivityInsertionCostsCalculator(routingCosts, activityCosts); activityInsertionCostsCalculator = new LocalActivityInsertionCostsCalculator(routingCosts, activityCosts, mock(StateManager.class));
createInsertionCalculator(hardRouteLevelConstraint); createInsertionCalculator(hardRouteLevelConstraint);
vehicleRoutingProblem = mock(VehicleRoutingProblem.class); vehicleRoutingProblem = mock(VehicleRoutingProblem.class);
} }

2
jsprit-core/src/test/java/jsprit/core/algorithm/recreate/TestCalculatesServiceInsertion.java
View file

@ -132,7 +132,7 @@ public class TestCalculatesServiceInsertion {
VehicleRoutingActivityCosts actCosts = mock(VehicleRoutingActivityCosts.class); VehicleRoutingActivityCosts actCosts = mock(VehicleRoutingActivityCosts.class);
serviceInsertion = new ServiceInsertionCalculator(costs, new LocalActivityInsertionCostsCalculator(costs, actCosts), cManager); serviceInsertion = new ServiceInsertionCalculator(costs, new LocalActivityInsertionCostsCalculator(costs, actCosts, states), cManager);
serviceInsertion.setJobActivityFactory(new JobActivityFactory() { serviceInsertion.setJobActivityFactory(new JobActivityFactory() {
@Override @Override
public List<AbstractActivity> createActivities(Job job) { public List<AbstractActivity> createActivities(Job job) {

383
jsprit-core/src/test/java/jsprit/core/algorithm/recreate/TestLocalActivityInsertionCostsCalculator.java
View file

@ -16,17 +16,33 @@
******************************************************************************/ ******************************************************************************/
package jsprit.core.algorithm.recreate; package jsprit.core.algorithm.recreate;
import jsprit.core.algorithm.state.StateManager;
import jsprit.core.algorithm.state.UpdateActivityTimes;
import jsprit.core.algorithm.state.UpdateFutureWaitingTimes;
import jsprit.core.algorithm.state.UpdateVehicleDependentPracticalTimeWindows;
import jsprit.core.problem.Location; import jsprit.core.problem.Location;
import jsprit.core.problem.VehicleRoutingProblem;
import jsprit.core.problem.cost.VehicleRoutingActivityCosts; import jsprit.core.problem.cost.VehicleRoutingActivityCosts;
import jsprit.core.problem.cost.VehicleRoutingTransportCosts; import jsprit.core.problem.cost.VehicleRoutingTransportCosts;
import jsprit.core.problem.cost.WaitingTimeCosts;
import jsprit.core.problem.job.Job;
import jsprit.core.problem.job.Service;
import jsprit.core.problem.misc.JobInsertionContext; import jsprit.core.problem.misc.JobInsertionContext;
import jsprit.core.problem.solution.route.VehicleRoute; import jsprit.core.problem.solution.route.VehicleRoute;
import jsprit.core.problem.solution.route.activity.End; import jsprit.core.problem.solution.route.activity.End;
import jsprit.core.problem.solution.route.activity.Start;
import jsprit.core.problem.solution.route.activity.TimeWindow;
import jsprit.core.problem.solution.route.activity.TourActivity; import jsprit.core.problem.solution.route.activity.TourActivity;
import jsprit.core.problem.vehicle.Vehicle; import jsprit.core.problem.vehicle.Vehicle;
import jsprit.core.problem.vehicle.VehicleImpl;
import jsprit.core.problem.vehicle.VehicleTypeImpl;
import jsprit.core.util.CostFactory;
import org.junit.Before; import org.junit.Before;
import org.junit.Test; import org.junit.Test;
import java.util.ArrayList;
import java.util.Arrays;
import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.mock; import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when; import static org.mockito.Mockito.when;
@ -56,6 +72,7 @@ public class TestLocalActivityInsertionCostsCalculator {
jic = mock(JobInsertionContext.class); jic = mock(JobInsertionContext.class);
when(jic.getRoute()).thenReturn(route); when(jic.getRoute()).thenReturn(route);
when(jic.getNewVehicle()).thenReturn(vehicle); when(jic.getNewVehicle()).thenReturn(vehicle);
when(vehicle.getType()).thenReturn(VehicleTypeImpl.Builder.newInstance("type").build());
tpCosts = mock(VehicleRoutingTransportCosts.class); tpCosts = mock(VehicleRoutingTransportCosts.class);
when(tpCosts.getTransportCost(loc("i"), loc("j"), 0.0, null, vehicle)).thenReturn(2.0); when(tpCosts.getTransportCost(loc("i"), loc("j"), 0.0, null, vehicle)).thenReturn(2.0);
@ -66,7 +83,7 @@ public class TestLocalActivityInsertionCostsCalculator {
when(tpCosts.getTransportTime(loc("k"), loc("j"), 0.0, null, vehicle)).thenReturn(0.0); when(tpCosts.getTransportTime(loc("k"), loc("j"), 0.0, null, vehicle)).thenReturn(0.0);
actCosts = mock(VehicleRoutingActivityCosts.class); actCosts = mock(VehicleRoutingActivityCosts.class);
calc = new LocalActivityInsertionCostsCalculator(tpCosts, actCosts); calc = new LocalActivityInsertionCostsCalculator(tpCosts, actCosts, mock(StateManager.class));
} }
private Location loc(String i) { private Location loc(String i) {
@ -77,10 +94,13 @@ public class TestLocalActivityInsertionCostsCalculator {
public void whenInsertingActBetweenTwoRouteActs_itCalcsMarginalTpCosts(){ public void whenInsertingActBetweenTwoRouteActs_itCalcsMarginalTpCosts(){
TourActivity prevAct = mock(TourActivity.class); TourActivity prevAct = mock(TourActivity.class);
when(prevAct.getLocation()).thenReturn(loc("i")); when(prevAct.getLocation()).thenReturn(loc("i"));
when(prevAct.getIndex()).thenReturn(1);
TourActivity nextAct = mock(TourActivity.class); TourActivity nextAct = mock(TourActivity.class);
when(nextAct.getLocation()).thenReturn(loc("j")); when(nextAct.getLocation()).thenReturn(loc("j"));
when(nextAct.getIndex()).thenReturn(1);
TourActivity newAct = mock(TourActivity.class); TourActivity newAct = mock(TourActivity.class);
when(newAct.getLocation()).thenReturn(loc("k")); when(newAct.getLocation()).thenReturn(loc("k"));
when(newAct.getIndex()).thenReturn(1);
when(vehicle.isReturnToDepot()).thenReturn(true); when(vehicle.isReturnToDepot()).thenReturn(true);
@ -92,9 +112,11 @@ public class TestLocalActivityInsertionCostsCalculator {
public void whenInsertingActBetweenLastActAndEnd_itCalcsMarginalTpCosts(){ public void whenInsertingActBetweenLastActAndEnd_itCalcsMarginalTpCosts(){
TourActivity prevAct = mock(TourActivity.class); TourActivity prevAct = mock(TourActivity.class);
when(prevAct.getLocation()).thenReturn(loc("i")); when(prevAct.getLocation()).thenReturn(loc("i"));
when(prevAct.getIndex()).thenReturn(1);
End nextAct = End.newInstance("j", 0.0, 0.0); End nextAct = End.newInstance("j", 0.0, 0.0);
TourActivity newAct = mock(TourActivity.class); TourActivity newAct = mock(TourActivity.class);
when(newAct.getLocation()).thenReturn(loc("k")); when(newAct.getLocation()).thenReturn(loc("k"));
when(newAct.getIndex()).thenReturn(1);
when(vehicle.isReturnToDepot()).thenReturn(true); when(vehicle.isReturnToDepot()).thenReturn(true);
@ -106,10 +128,13 @@ public class TestLocalActivityInsertionCostsCalculator {
public void whenInsertingActBetweenTwoRouteActsAndRouteIsOpen_itCalcsMarginalTpCosts(){ public void whenInsertingActBetweenTwoRouteActsAndRouteIsOpen_itCalcsMarginalTpCosts(){
TourActivity prevAct = mock(TourActivity.class); TourActivity prevAct = mock(TourActivity.class);
when(prevAct.getLocation()).thenReturn(loc("i")); when(prevAct.getLocation()).thenReturn(loc("i"));
when(prevAct.getIndex()).thenReturn(1);
TourActivity nextAct = mock(TourActivity.class); TourActivity nextAct = mock(TourActivity.class);
when(nextAct.getLocation()).thenReturn(loc("j")); when(nextAct.getLocation()).thenReturn(loc("j"));
when(nextAct.getIndex()).thenReturn(1);
TourActivity newAct = mock(TourActivity.class); TourActivity newAct = mock(TourActivity.class);
when(newAct.getLocation()).thenReturn(loc("k")); when(newAct.getLocation()).thenReturn(loc("k"));
when(newAct.getIndex()).thenReturn(1);
when(vehicle.isReturnToDepot()).thenReturn(false); when(vehicle.isReturnToDepot()).thenReturn(false);
@ -121,13 +146,369 @@ public class TestLocalActivityInsertionCostsCalculator {
public void whenInsertingActBetweenLastActAndEndAndRouteIsOpen_itCalculatesTpCostsFromPrevToNewAct(){ public void whenInsertingActBetweenLastActAndEndAndRouteIsOpen_itCalculatesTpCostsFromPrevToNewAct(){
TourActivity prevAct = mock(TourActivity.class); TourActivity prevAct = mock(TourActivity.class);
when(prevAct.getLocation()).thenReturn(loc("i")); when(prevAct.getLocation()).thenReturn(loc("i"));
when(prevAct.getIndex()).thenReturn(1);
End nextAct = End.newInstance("j", 0.0, 0.0); End nextAct = End.newInstance("j", 0.0, 0.0);
TourActivity newAct = mock(TourActivity.class); TourActivity newAct = mock(TourActivity.class);
when(newAct.getLocation()).thenReturn(loc("k")); when(newAct.getLocation()).thenReturn(loc("k"));
when(newAct.getIndex()).thenReturn(1);
when(vehicle.isReturnToDepot()).thenReturn(false); when(vehicle.isReturnToDepot()).thenReturn(false);
double costs = calc.getCosts(jic, prevAct, nextAct, newAct, 0.0); double costs = calc.getCosts(jic, prevAct, nextAct, newAct, 0.0);
assertEquals(3.0,costs,0.01); assertEquals(3.0,costs,0.01);
} }
@Test
public void test(){
VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("t").setCostPerWaitingTime(1.).build();
VehicleImpl v = VehicleImpl.Builder.newInstance("v").setType(type).setStartLocation(Location.newInstance(0, 0)).build();
Service prevS = Service.Builder.newInstance("prev").setLocation(Location.newInstance(10,0)).build();
Service newS = Service.Builder.newInstance("new").setServiceTime(10).setLocation(Location.newInstance(60, 0)).build();
Service nextS = Service.Builder.newInstance("next").setLocation(Location.newInstance(30,0)).setTimeWindow(TimeWindow.newInstance(40,80)).build();
VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addJob(prevS).addJob(newS).addJob(nextS).addVehicle(v).build();
TourActivity prevAct = vrp.getActivities(prevS).get(0);
TourActivity newAct = vrp.getActivities(newS).get(0);
TourActivity nextAct = vrp.getActivities(nextS).get(0);
VehicleRoute route = VehicleRoute.Builder.newInstance(v).setJobActivityFactory(vrp.getJobActivityFactory()).addService(prevS).addService(nextS).build();
JobInsertionContext context = new JobInsertionContext(route,newS,v,null,0.);
LocalActivityInsertionCostsCalculator calc = new LocalActivityInsertionCostsCalculator(CostFactory.createEuclideanCosts(),new WaitingTimeCosts(), new StateManager(mock(VehicleRoutingProblem.class)));
calc.setSolutionCompletenessRatio(1.);
double c = calc.getCosts(context,prevAct,nextAct,newAct,10);
assertEquals(50.,c,0.01);
/*
new: dist = 90 & wait = 0
old: dist = 30 & wait = 10
c = new - old = 90 - 40 = 50
*/
} }
@Test
public void whenAddingNewBetweenStartAndAct_itShouldCalcInsertionCostsCorrectly(){
VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("t").setCostPerWaitingTime(1.).build();
VehicleImpl v = VehicleImpl.Builder.newInstance("v").setType(type).setStartLocation(Location.newInstance(0,0)).build();
Service newS = Service.Builder.newInstance("new").setServiceTime(10).setLocation(Location.newInstance(10, 0)).build();
Service nextS = Service.Builder.newInstance("next").setLocation(Location.newInstance(30, 0))
.setTimeWindow(TimeWindow.newInstance(40, 50)).build();
VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addJob(newS).addJob(nextS).addVehicle(v).build();
Start prevAct = new Start(Location.newInstance(0,0),0,100);
TourActivity newAct = vrp.getActivities(newS).get(0);
TourActivity nextAct = vrp.getActivities(nextS).get(0);
VehicleRoute route = VehicleRoute.Builder.newInstance(v).setJobActivityFactory(vrp.getJobActivityFactory()).addService(nextS).build();
JobInsertionContext context = new JobInsertionContext(route,newS,v,null,0.);
LocalActivityInsertionCostsCalculator calc = new LocalActivityInsertionCostsCalculator(CostFactory.createEuclideanCosts(),new WaitingTimeCosts(),new StateManager(vrp));
calc.setSolutionCompletenessRatio(1.);
double c = calc.getCosts(context,prevAct,nextAct,newAct,0);
assertEquals(-10.,c,0.01);
}
@Test
public void whenAddingNewBetweenStartAndAct2_itShouldCalcInsertionCostsCorrectly(){
VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("t").setCostPerWaitingTime(1.).build();
VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2").setType(type).setStartLocation(Location.newInstance(0,0)).build();
Service newS = Service.Builder.newInstance("new").setServiceTime(10).setLocation(Location.newInstance(10, 0)).build();
Service nextS = Service.Builder.newInstance("next").setLocation(Location.newInstance(30,0))
.setTimeWindow(TimeWindow.newInstance(140,150)).build();
VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addJob(newS).addJob(nextS).addVehicle(v2).build();
Start prevAct = new Start(Location.newInstance(0,0),0,100);
TourActivity newAct = vrp.getActivities(newS).get(0);
TourActivity nextAct = vrp.getActivities(nextS).get(0);
VehicleRoute route = VehicleRoute.Builder.newInstance(v2).setJobActivityFactory(vrp.getJobActivityFactory()).addService(nextS).build();
JobInsertionContext context = new JobInsertionContext(route,newS,v2,null,0.);
LocalActivityInsertionCostsCalculator calc = new LocalActivityInsertionCostsCalculator(CostFactory.createEuclideanCosts(),new WaitingTimeCosts(), new StateManager(vrp));
calc.setSolutionCompletenessRatio(1.);
double c = calc.getCosts(context,prevAct,nextAct,newAct,0);
assertEquals(-10.,c,0.01);
}
@Test
public void whenAddingNewInEmptyRoute_itShouldCalcInsertionCostsCorrectly(){
VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("t").setCostPerWaitingTime(1.).build();
VehicleImpl v = VehicleImpl.Builder.newInstance("v").setType(type).setStartLocation(Location.newInstance(0,0)).build();
Service newS = Service.Builder.newInstance("new").setServiceTime(10).setLocation(Location.newInstance(10, 0)).setTimeWindow(TimeWindow.newInstance(100, 150)).build();
VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addJob(newS).addVehicle(v).build();
Start prevAct = new Start(Location.newInstance(0,0),0,100);
TourActivity newAct = vrp.getActivities(newS).get(0);
End nextAct = new End(Location.newInstance(0,0),0,100);
VehicleRoute route = VehicleRoute.Builder.newInstance(v).setJobActivityFactory(vrp.getJobActivityFactory()).build();
JobInsertionContext context = new JobInsertionContext(route,newS,v,null,0.);
LocalActivityInsertionCostsCalculator calc = new LocalActivityInsertionCostsCalculator(CostFactory.createEuclideanCosts(),new WaitingTimeCosts(),new StateManager(vrp) );
calc.setSolutionCompletenessRatio(1.);
double c = calc.getCosts(context,prevAct,nextAct,newAct,0);
assertEquals(110.,c,0.01);
}
@Test
public void whenAddingNewBetweenTwoActs_itShouldCalcInsertionCostsCorrectly(){
VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("t").setCostPerWaitingTime(1.).build();
VehicleImpl v = VehicleImpl.Builder.newInstance("v").setType(type).setStartLocation(Location.newInstance(0,0)).build();
Service prevS = Service.Builder.newInstance("prev").setLocation(Location.newInstance(10, 0)).build();
Service newS = Service.Builder.newInstance("new").setServiceTime(10).setLocation(Location.newInstance(20, 0)).build();
Service nextS = Service.Builder.newInstance("next").setLocation(Location.newInstance(30,0)).setTimeWindow(TimeWindow.newInstance(40,50)).build();
VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addJob(prevS).addJob(newS).addJob(nextS).addVehicle(v).build();
TourActivity prevAct = vrp.getActivities(prevS).get(0);
TourActivity newAct = vrp.getActivities(newS).get(0);
TourActivity nextAct = vrp.getActivities(nextS).get(0);
VehicleRoute route = VehicleRoute.Builder.newInstance(v).setJobActivityFactory(vrp.getJobActivityFactory()).addService(prevS).addService(nextS).build();
JobInsertionContext context = new JobInsertionContext(route,newS,v,null,0.);
LocalActivityInsertionCostsCalculator calc = new LocalActivityInsertionCostsCalculator(CostFactory.createEuclideanCosts(),new WaitingTimeCosts(),new StateManager(vrp) );
calc.setSolutionCompletenessRatio(1.);
double c = calc.getCosts(context,prevAct,nextAct,newAct,10);
assertEquals(-10.,c,0.01);
}
@Test
public void whenAddingNewWithTWBetweenTwoActs_itShouldCalcInsertionCostsCorrectly(){
VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("t").setCostPerWaitingTime(1.).build();
VehicleImpl v = VehicleImpl.Builder.newInstance("v").setType(type).setStartLocation(Location.newInstance(0,0)).build();
Service prevS = Service.Builder.newInstance("prev").setLocation(Location.newInstance(10,0)).build();
Service newS = Service.Builder.newInstance("new").setServiceTime(10).setTimeWindow(TimeWindow.newInstance(100, 120)).setLocation(Location.newInstance(20, 0)).build();
Service nextS = Service.Builder.newInstance("next").setLocation(Location.newInstance(30,0)).setTimeWindow(TimeWindow.newInstance(40,500)).build();
VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addJob(prevS).addJob(newS).addJob(nextS).addVehicle(v).build();
TourActivity prevAct = vrp.getActivities(prevS).get(0);
TourActivity newAct = vrp.getActivities(newS).get(0);
TourActivity nextAct = vrp.getActivities(nextS).get(0);
VehicleRoute route = VehicleRoute.Builder.newInstance(v).setJobActivityFactory(vrp.getJobActivityFactory()).addService(prevS).addService(nextS).build();
JobInsertionContext context = new JobInsertionContext(route,newS,v,null,0.);
LocalActivityInsertionCostsCalculator calc = new LocalActivityInsertionCostsCalculator(CostFactory.createEuclideanCosts(),new WaitingTimeCosts(),new StateManager(vrp) );
calc.setSolutionCompletenessRatio(0.5);
double c = calc.getCosts(context,prevAct,nextAct,newAct,10);
assertEquals(35.,c,0.01);
}
@Test
public void whenAddingNewWithTWBetweenTwoActs2_itShouldCalcInsertionCostsCorrectly(){
VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("t").setCostPerWaitingTime(1.).build();
VehicleImpl v = VehicleImpl.Builder.newInstance("v").setType(type).setStartLocation(Location.newInstance(0,0)).build();
// VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2").setHasVariableDepartureTime(true).setType(type).setStartLocation(Location.newInstance(0,0)).build();
Service prevS = Service.Builder.newInstance("prev").setLocation(Location.newInstance(10,0)).build();
Service newS = Service.Builder.newInstance("new").setServiceTime(10).setTimeWindow(TimeWindow.newInstance(100,120)).setLocation(Location.newInstance(20, 0)).build();
Service nextS = Service.Builder.newInstance("next").setLocation(Location.newInstance(30,0)).setTimeWindow(TimeWindow.newInstance(40,500)).build();
Service afterNextS = Service.Builder.newInstance("afterNext").setLocation(Location.newInstance(40,0)).setTimeWindow(TimeWindow.newInstance(400,500)).build();
VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addJob(afterNextS).addJob(prevS).addJob(newS).addJob(nextS).addVehicle(v).build();
TourActivity prevAct = vrp.getActivities(prevS).get(0);
TourActivity newAct = vrp.getActivities(newS).get(0);
TourActivity nextAct = vrp.getActivities(nextS).get(0);
VehicleRoute route = VehicleRoute.Builder.newInstance(v).setJobActivityFactory(vrp.getJobActivityFactory()).addService(prevS).addService(nextS).addService(afterNextS).build();
StateManager stateManager = getStateManager(vrp,route);
JobInsertionContext context = new JobInsertionContext(route,newS,v,null,0.);
LocalActivityInsertionCostsCalculator calc = new LocalActivityInsertionCostsCalculator(CostFactory.createEuclideanCosts(),new WaitingTimeCosts(),stateManager);
calc.setSolutionCompletenessRatio(1.);
double c = calc.getCosts(context,prevAct,nextAct,newAct,10);
assertEquals(-10.,c,0.01);
//
//old: dist: 0, waiting: 10 + 350 = 360
//new: dist: 0, waiting: 80 + 270 = 350
}
@Test
public void whenAddingNewWithTWBetweenTwoActs3_itShouldCalcInsertionCostsCorrectly(){
VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("t").setCostPerWaitingTime(1.).build();
VehicleImpl v = VehicleImpl.Builder.newInstance("v").setType(type).setStartLocation(Location.newInstance(0,0)).build();
// VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2").setHasVariableDepartureTime(true).setType(type).setStartLocation(Location.newInstance(0,0)).build();
Service prevS = Service.Builder.newInstance("prev").setLocation(Location.newInstance(10,0)).build();
Service newS = Service.Builder.newInstance("new").setServiceTime(10).setTimeWindow(TimeWindow.newInstance(100, 120)).setLocation(Location.newInstance(20, 0)).build();
Service nextS = Service.Builder.newInstance("next").setLocation(Location.newInstance(30, 0)).setTimeWindow(TimeWindow.newInstance(40, 500)).build();
Service afterNextS = Service.Builder.newInstance("afterNext").setLocation(Location.newInstance(40,0)).setTimeWindow(TimeWindow.newInstance(80, 500)).build();
Service afterAfterNextS = Service.Builder.newInstance("afterAfterNext").setLocation(Location.newInstance(40,0)).setTimeWindow(TimeWindow.newInstance(100, 500)).build();
VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addVehicle(v).addJob(prevS).addJob(newS).addJob(nextS)
.addJob(afterNextS).addJob(afterAfterNextS).build();
TourActivity prevAct = vrp.getActivities(prevS).get(0);
TourActivity newAct = vrp.getActivities(newS).get(0);
TourActivity nextAct = vrp.getActivities(nextS).get(0);
VehicleRoute route = VehicleRoute.Builder.newInstance(v).setJobActivityFactory(vrp.getJobActivityFactory()).addService(prevS).addService(nextS).addService(afterNextS).addService(afterAfterNextS).build();
StateManager stateManager = getStateManager(vrp, route);
JobInsertionContext context = new JobInsertionContext(route,newS,v,null,0.);
LocalActivityInsertionCostsCalculator calc = new LocalActivityInsertionCostsCalculator(CostFactory.createEuclideanCosts(),new WaitingTimeCosts(),stateManager);
calc.setSolutionCompletenessRatio(1.);
double c = calc.getCosts(context,prevAct,nextAct,newAct,10);
assertEquals(20.,c,0.01);
//start-delay = new - old = 120 - 40 = 80 > future waiting time savings = 30 + 20 + 10
//ref: 10 + 50 + 20 = 80
//new: 80 - 10 - 30 - 20 = 20
/*
w(new) + w(next) - w_old(next) - min{start_delay(next),future_waiting}
*/
}
@Test
public void whenAddingNewWithTWBetweenTwoActs4_itShouldCalcInsertionCostsCorrectly(){
VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("t").setCostPerWaitingTime(1.).build();
VehicleImpl v = VehicleImpl.Builder.newInstance("v").setType(type).setStartLocation(Location.newInstance(0,0)).build();
// VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2").setHasVariableDepartureTime(true).setType(type).setStartLocation(Location.newInstance(0,0)).build();
Service prevS = Service.Builder.newInstance("prev").setLocation(Location.newInstance(10,0)).build();
Service newS = Service.Builder.newInstance("new").setServiceTime(10).setTimeWindow(TimeWindow.newInstance(100,120)).setLocation(Location.newInstance(20, 0)).build();
Service nextS = Service.Builder.newInstance("next").setLocation(Location.newInstance(30,0)).setTimeWindow(TimeWindow.newInstance(40,500)).build();
Service afterNextS = Service.Builder.newInstance("afterNext").setLocation(Location.newInstance(40,0)).setTimeWindow(TimeWindow.newInstance(80,500)).build();
Service afterAfterNextS = Service.Builder.newInstance("afterAfterNext").setLocation(Location.newInstance(50,0)).setTimeWindow(TimeWindow.newInstance(100,500)).build();
VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addVehicle(v).addJob(prevS).addJob(newS).addJob(nextS)
.addJob(afterNextS).addJob(afterAfterNextS).build();
TourActivity prevAct = vrp.getActivities(prevS).get(0);
TourActivity newAct = vrp.getActivities(newS).get(0);
TourActivity nextAct = vrp.getActivities(nextS).get(0);
VehicleRoute route = VehicleRoute.Builder.newInstance(v).setJobActivityFactory(vrp.getJobActivityFactory()).addService(prevS).addService(nextS).addService(afterNextS).addService(afterAfterNextS).build();
JobInsertionContext context = new JobInsertionContext(route,newS,v,null,0.);
StateManager stateManager = getStateManager(vrp, route);
LocalActivityInsertionCostsCalculator calc = new LocalActivityInsertionCostsCalculator(CostFactory.createEuclideanCosts(),new WaitingTimeCosts(),stateManager);
calc.setSolutionCompletenessRatio(1.);
double c = calc.getCosts(context,prevAct,nextAct,newAct,10);
assertEquals(30.,c,0.01);
//ref: 10 + 30 + 10 = 50
//new: 50 - 50 = 0
/*
activity start time delay at next act = start-time-old - start-time-new is always bigger than subsequent waiting time savings
*/
/*
old = 10 + 30 + 10 = 50
new = 80 + 0 - 10 - min{80,40} = 30
*/
}
@Test
public void whenAddingNewWithTWBetweenTwoActs4WithVarStart_itShouldCalcInsertionCostsCorrectly(){
VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("t").setCostPerWaitingTime(1.).build();
VehicleImpl v = VehicleImpl.Builder.newInstance("v").setType(type).setStartLocation(Location.newInstance(0,0)).build();
// VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2").setHasVariableDepartureTime(true).setType(type).setStartLocation(Location.newInstance(0,0)).build();
Service prevS = Service.Builder.newInstance("prev").setLocation(Location.newInstance(10,0)).build();
Service newS = Service.Builder.newInstance("new").setServiceTime(10).setTimeWindow(TimeWindow.newInstance(100,120)).setLocation(Location.newInstance(20, 0)).build();
Service nextS = Service.Builder.newInstance("next").setLocation(Location.newInstance(30,0)).setTimeWindow(TimeWindow.newInstance(40,500)).build();
Service afterNextS = Service.Builder.newInstance("afterNext").setLocation(Location.newInstance(40,0)).setTimeWindow(TimeWindow.newInstance(80,500)).build();
Service afterAfterNextS = Service.Builder.newInstance("afterAfterNext").setLocation(Location.newInstance(50,0)).setTimeWindow(TimeWindow.newInstance(100,500)).build();
VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addVehicle(v).addJob(prevS).addJob(newS).addJob(nextS)
.addJob(afterNextS).addJob(afterAfterNextS).build();
TourActivity prevAct = vrp.getActivities(prevS).get(0);
TourActivity newAct = vrp.getActivities(newS).get(0);
TourActivity nextAct = vrp.getActivities(nextS).get(0);
VehicleRoute route = VehicleRoute.Builder.newInstance(v).setJobActivityFactory(vrp.getJobActivityFactory()).addService(prevS).addService(nextS).addService(afterNextS).addService(afterAfterNextS).build();
JobInsertionContext context = new JobInsertionContext(route,newS,v,null,0.);
StateManager stateManager = getStateManager(vrp, route);
LocalActivityInsertionCostsCalculator calc = new LocalActivityInsertionCostsCalculator(CostFactory.createEuclideanCosts(),new WaitingTimeCosts(),stateManager);
calc.setSolutionCompletenessRatio(1.);
double c = calc.getCosts(context,prevAct,nextAct,newAct,10);
assertEquals(30.,c,0.01);
/*
activity start time delay at next act = start-time-old - start-time-new is always bigger than subsequent waiting time savings
*/
/*
old = 10 + 30 + 10 = 50
new = 80
new - old = 80 - 40 = 40
*/
}
@Test
public void whenAddingNewWithTWBetweenTwoActs3WithVarStart_itShouldCalcInsertionCostsCorrectly(){
VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("t").setCostPerWaitingTime(1.).build();
VehicleImpl v = VehicleImpl.Builder.newInstance("v").setType(type).setStartLocation(Location.newInstance(0,0)).build();
// VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2").setHasVariableDepartureTime(true).setType(type).setStartLocation(Location.newInstance(0,0)).build();
Service prevS = Service.Builder.newInstance("prev").setLocation(Location.newInstance(10,0)).build();
Service newS = Service.Builder.newInstance("new").setServiceTime(10).setTimeWindow(TimeWindow.newInstance(50,70)).setLocation(Location.newInstance(20, 0)).build();
Service nextS = Service.Builder.newInstance("next").setLocation(Location.newInstance(30,0)).setTimeWindow(TimeWindow.newInstance(40,70)).build();
Service afterNextS = Service.Builder.newInstance("afterNext").setLocation(Location.newInstance(40,0)).setTimeWindow(TimeWindow.newInstance(50,100)).build();
Service afterAfterNextS = Service.Builder.newInstance("afterAfterNext").setLocation(Location.newInstance(50,0)).setTimeWindow(TimeWindow.newInstance(100,500)).build();
VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addVehicle(v).addJob(prevS).addJob(newS).addJob(nextS)
.addJob(afterNextS).addJob(afterAfterNextS).build();
TourActivity prevAct = vrp.getActivities(prevS).get(0);
TourActivity newAct = vrp.getActivities(newS).get(0);
TourActivity nextAct = vrp.getActivities(nextS).get(0);
VehicleRoute route = VehicleRoute.Builder.newInstance(v).setJobActivityFactory(vrp.getJobActivityFactory()).addService(prevS).addService(nextS).addService(afterNextS).addService(afterAfterNextS).build();
JobInsertionContext context = new JobInsertionContext(route,newS,v,null,0.);
StateManager stateManager = getStateManager(vrp, route);
LocalActivityInsertionCostsCalculator calc = new LocalActivityInsertionCostsCalculator(CostFactory.createEuclideanCosts(),new WaitingTimeCosts(),stateManager);
calc.setSolutionCompletenessRatio(1.);
double c = calc.getCosts(context,prevAct,nextAct,newAct,10);
assertEquals(-10.,c,0.01);
/*
activity start time delay at next act = start-time-old - start-time-new is always bigger than subsequent waiting time savings
*/
/*
old = 10 + 40 = 50
new = 30 + 10 = 40
*/
}
private StateManager getStateManager(VehicleRoutingProblem vrp, VehicleRoute route) {
StateManager stateManager = new StateManager(vrp);
stateManager.addStateUpdater(new UpdateActivityTimes(vrp.getTransportCosts()));
stateManager.addStateUpdater(new UpdateVehicleDependentPracticalTimeWindows(stateManager,vrp.getTransportCosts()));
stateManager.addStateUpdater(new UpdateFutureWaitingTimes(stateManager,vrp.getTransportCosts()));
stateManager.informInsertionStarts(Arrays.asList(route),new ArrayList<Job>());
return stateManager;
}
}

4
jsprit-examples/src/main/java/jsprit/examples/CostMatrixExample.java
View file

@ -18,7 +18,7 @@ package jsprit.examples;
import jsprit.analysis.toolbox.Plotter; import jsprit.analysis.toolbox.Plotter;
import jsprit.core.algorithm.VehicleRoutingAlgorithm; import jsprit.core.algorithm.VehicleRoutingAlgorithm;
import jsprit.core.algorithm.io.VehicleRoutingAlgorithms; import jsprit.core.algorithm.box.Jsprit;
import jsprit.core.problem.Location; import jsprit.core.problem.Location;
import jsprit.core.problem.VehicleRoutingProblem; import jsprit.core.problem.VehicleRoutingProblem;
import jsprit.core.problem.VehicleRoutingProblem.FleetSize; import jsprit.core.problem.VehicleRoutingProblem.FleetSize;
@ -98,7 +98,7 @@ public class CostMatrixExample {
VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().setFleetSize(FleetSize.INFINITE).setRoutingCost(costMatrix) VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().setFleetSize(FleetSize.INFINITE).setRoutingCost(costMatrix)
.addVehicle(vehicle).addJob(s1).addJob(s2).addJob(s3).build(); .addVehicle(vehicle).addJob(s1).addJob(s2).addJob(s3).build();
VehicleRoutingAlgorithm vra = VehicleRoutingAlgorithms.readAndCreateAlgorithm(vrp, "input/fastAlgo.xml"); VehicleRoutingAlgorithm vra = Jsprit.createAlgorithm(vrp);
Collection<VehicleRoutingProblemSolution> solutions = vra.searchSolutions(); Collection<VehicleRoutingProblemSolution> solutions = vra.searchSolutions();

123
jsprit-examples/src/main/java/jsprit/examples/VariableStartAndWaitingTimeExample.java Normal file
View file

@ -0,0 +1,123 @@
package jsprit.examples;
import jsprit.analysis.toolbox.AlgorithmSearchProgressChartListener;
import jsprit.analysis.toolbox.Plotter;
import jsprit.core.algorithm.VehicleRoutingAlgorithm;
import jsprit.core.algorithm.box.Jsprit;
import jsprit.core.algorithm.state.StateManager;
import jsprit.core.algorithm.state.UpdateFutureWaitingTimes;
import jsprit.core.analysis.SolutionAnalyser;
import jsprit.core.problem.Location;
import jsprit.core.problem.VehicleRoutingProblem;
import jsprit.core.problem.constraint.ConstraintManager;
import jsprit.core.problem.cost.TransportDistance;
import jsprit.core.problem.job.Service;
import jsprit.core.problem.solution.SolutionCostCalculator;
import jsprit.core.problem.solution.VehicleRoutingProblemSolution;
import jsprit.core.problem.solution.route.VehicleRoute;
import jsprit.core.problem.solution.route.activity.TimeWindow;
import jsprit.core.problem.solution.route.activity.TourActivity;
import jsprit.core.problem.vehicle.VehicleImpl;
import jsprit.core.problem.vehicle.VehicleTypeImpl;
import jsprit.core.reporting.SolutionPrinter;
import jsprit.core.util.RandomNumberGeneration;
import jsprit.core.util.Solutions;
import java.util.Random;
/**
* Created by schroeder on 23/07/15.
*/
public class VariableStartAndWaitingTimeExample {
static interface AlgorithmFactory {
VehicleRoutingAlgorithm createAlgorithm(VehicleRoutingProblem vrp);
}
public static void main(String[] args) {
VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("type").setCostPerDistance(4.).setCostPerWaitingTime(2.0).build();
VehicleTypeImpl type1 = VehicleTypeImpl.Builder.newInstance("type1").setCostPerDistance(4.).setCostPerWaitingTime(2.0).build();
// VehicleTypeImpl type2 = VehicleTypeImpl.Builder.newInstance("type2").setCostPerDistance(4.).setCostPerWaitingTime(2.0).build();
VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2").setType(type).setReturnToDepot(false)
.setStartLocation(Location.newInstance(0, 0))
.setEarliestStart(0).setLatestArrival(220)
.build();
VehicleImpl v3 = VehicleImpl.Builder.newInstance("v3").setType(type1).setReturnToDepot(false)
.setStartLocation(Location.newInstance(0, 10))
.setEarliestStart(200).setLatestArrival(450)
.build();
// VehicleImpl v4 = VehicleImpl.Builder.newInstance("v4").setType(type2).setReturnToDepot(true)
// .setStartLocation(Location.newInstance(0, 0)).build();
VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance();
Random r = RandomNumberGeneration.newInstance();
for(int i=0;i<40;i++){
Service s = Service.Builder.newInstance("s_"+i).setServiceTime(5)
// .setTimeWindow(TimeWindow.newInstance(0,100*(1+r.nextInt(3))))
.setLocation(Location.newInstance(1 - r.nextInt(5), 10 + r.nextInt(10))).build();
vrpBuilder.addJob(s);
}
Service s1 = Service.Builder.newInstance("s12").setLocation(Location.newInstance(-3, 15)).setTimeWindow(TimeWindow.newInstance(290, 600)).build();
Service s4 = Service.Builder.newInstance("s13").setLocation(Location.newInstance(0,20)).setTimeWindow(TimeWindow.newInstance(290, 340)).build();
Service s2 = Service.Builder.newInstance("s10").setLocation(Location.newInstance(-1, 15)).setTimeWindow(TimeWindow.newInstance(300, 350)).build();
Service s3 = Service.Builder.newInstance("s11").setLocation(Location.newInstance(10, 10)).setTimeWindow(TimeWindow.newInstance(300, 600)).build();
vrpBuilder.addJob(s1).addJob(s2).addJob(s3).addJob(s4).addVehicle(v2).addVehicle(v3);
vrpBuilder.setFleetSize(VehicleRoutingProblem.FleetSize.FINITE);
final VehicleRoutingProblem vrp = vrpBuilder.build();
AlgorithmFactory algorithmFactory = new AlgorithmFactory() {
@Override
public VehicleRoutingAlgorithm createAlgorithm(final VehicleRoutingProblem vrp) {
StateManager stateManager = new StateManager(vrp);
stateManager.addStateUpdater(new UpdateFutureWaitingTimes(stateManager,vrp.getTransportCosts()));
ConstraintManager constraintManager = new ConstraintManager(vrp,stateManager);
return Jsprit.Builder.newInstance(vrp)
.addCoreStateAndConstraintStuff(true)
.setStateAndConstraintManager(stateManager, constraintManager)
.setProperty(Jsprit.Parameter.THRESHOLD_INI, "0.1")
// .setProperty(Jsprit.Parameter.THRESHOLD_ALPHA, "0.3")
// .setProperty(Parameter.)
// .setProperty(Jsprit.Parameter.CONSTRUCTION, Jsprit.Construction.BEST_INSERTION.toString())
.setObjectiveFunction(new SolutionCostCalculator() {
@Override
public double getCosts(VehicleRoutingProblemSolution solution) {
double costs = 0.;
for (VehicleRoute route : solution.getRoutes()) {
costs += route.getVehicle().getType().getVehicleCostParams().fix;
TourActivity prevAct = route.getStart();
for (TourActivity act : route.getActivities()) {
costs += vrp.getTransportCosts().getTransportCost(prevAct.getLocation(), act.getLocation(), prevAct.getEndTime(), route.getDriver(), route.getVehicle());
costs += vrp.getActivityCosts().getActivityCost(act, act.getArrTime(), route.getDriver(), route.getVehicle());
prevAct = act;
}
costs += vrp.getTransportCosts().getTransportCost(prevAct.getLocation(), route.getEnd().getLocation(), prevAct.getEndTime(), route.getDriver(), route.getVehicle());
}
costs += solution.getUnassignedJobs().size() * 200;
return costs;
}
})
.buildAlgorithm();
}
};
VehicleRoutingAlgorithm vra = algorithmFactory.createAlgorithm(vrp);
vra.setMaxIterations(2000);
vra.addListener(new AlgorithmSearchProgressChartListener("output/search"));
VehicleRoutingProblemSolution solution = Solutions.bestOf(vra.searchSolutions());
System.out.println("c: " + solution.getCost());
SolutionPrinter.print(vrp, solution, SolutionPrinter.Print.VERBOSE);
SolutionAnalyser sa = new SolutionAnalyser(vrp, solution, new TransportDistance() {
@Override
public double getDistance(Location from, Location to) {
return vrp.getTransportCosts().getTransportTime(from,to,0.,null,null);
}
});
System.out.println("totalWaiting: " + sa.getWaitingTime());
System.out.println("brokenTWs: " + sa.getTimeWindowViolation());
new Plotter(vrp,solution).setLabel(Plotter.Label.ID).plot("output/plot","plot");
}
}

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jsprit-examples/src/main/java/jsprit/examples/VariableStartAndWaitingTimeExample2.java Normal file
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package jsprit.examples;
import jsprit.analysis.toolbox.AlgorithmSearchProgressChartListener;
import jsprit.analysis.toolbox.Plotter;
import jsprit.core.algorithm.VehicleRoutingAlgorithm;
import jsprit.core.algorithm.box.Jsprit;
import jsprit.core.algorithm.state.StateManager;
import jsprit.core.algorithm.state.UpdateFutureWaitingTimes;
import jsprit.core.problem.Location;
import jsprit.core.problem.VehicleRoutingProblem;
import jsprit.core.problem.constraint.ConstraintManager;
import jsprit.core.problem.job.Service;
import jsprit.core.problem.solution.SolutionCostCalculator;
import jsprit.core.problem.solution.VehicleRoutingProblemSolution;
import jsprit.core.problem.solution.route.VehicleRoute;
import jsprit.core.problem.solution.route.activity.TimeWindow;
import jsprit.core.problem.solution.route.activity.TourActivity;
import jsprit.core.problem.vehicle.VehicleImpl;
import jsprit.core.problem.vehicle.VehicleTypeImpl;
import jsprit.core.reporting.SolutionPrinter;
import jsprit.core.util.Solutions;
/**
* Created by schroeder on 23/07/15.
*/
public class VariableStartAndWaitingTimeExample2 {
static interface AlgorithmFactory {
VehicleRoutingAlgorithm createAlgorithm(VehicleRoutingProblem vrp);
}
public static void main(String[] args) {
VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("type").setCostPerDistance(1.5).setCostPerWaitingTime(1.).build();
// VehicleTypeImpl type1 = VehicleTypeImpl.Builder.newInstance("type1").setCostPerDistance(1.5).setCostPerWaitingTime(.0).build();
VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2").setType(type).setReturnToDepot(true)
.setStartLocation(Location.newInstance(0, 0)).build();
VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance();
Service s1 = Service.Builder.newInstance("s12").setLocation(Location.newInstance(-1, 5)).setTimeWindow(TimeWindow.newInstance(100, 110)).build();
Service s4 = Service.Builder.newInstance("s13").setLocation(Location.newInstance(0, 10)).build();
Service s2 = Service.Builder.newInstance("s10").setLocation(Location.newInstance(1, 12)).build();
Service s3 = Service.Builder.newInstance("s11").setLocation(Location.newInstance(4, 10)).build();
Service s5 = Service.Builder.newInstance("s14").setLocation(Location.newInstance(6, 5)).setTimeWindow(TimeWindow.newInstance(110,220)).build();
vrpBuilder.addJob(s1).addJob(s2).addJob(s3).addJob(s4).addJob(s5).addVehicle(v2);
vrpBuilder.setFleetSize(VehicleRoutingProblem.FleetSize.FINITE);
final VehicleRoutingProblem vrp = vrpBuilder.build();
AlgorithmFactory algorithmFactory = new AlgorithmFactory() {
@Override
public VehicleRoutingAlgorithm createAlgorithm(final VehicleRoutingProblem vrp) {
StateManager stateManager = new StateManager(vrp);
stateManager.addStateUpdater(new UpdateFutureWaitingTimes(stateManager,vrp.getTransportCosts()));
ConstraintManager constraintManager = new ConstraintManager(vrp,stateManager);
return Jsprit.Builder.newInstance(vrp)
.addCoreStateAndConstraintStuff(true)
.setStateAndConstraintManager(stateManager, constraintManager)
// .setProperty(Jsprit.Parameter.THRESHOLD_INI, "0.1")
// .setProperty(Jsprit.Parameter.THRESHOLD_ALPHA, "0.3")
// .setProperty(Parameter.)
// .setProperty(Jsprit.Parameter.CONSTRUCTION, Jsprit.Construction.BEST_INSERTION.toString())
.setObjectiveFunction(new SolutionCostCalculator() {
@Override
public double getCosts(VehicleRoutingProblemSolution solution) {
double costs = 0.;
for (VehicleRoute route : solution.getRoutes()) {
costs += route.getVehicle().getType().getVehicleCostParams().fix;
TourActivity prevAct = route.getStart();
for (TourActivity act : route.getActivities()) {
costs += vrp.getTransportCosts().getTransportCost(prevAct.getLocation(), act.getLocation(), prevAct.getEndTime(), route.getDriver(), route.getVehicle());
costs += vrp.getActivityCosts().getActivityCost(act, act.getArrTime(), route.getDriver(), route.getVehicle());
prevAct = act;
}
costs += vrp.getTransportCosts().getTransportCost(prevAct.getLocation(), route.getEnd().getLocation(), prevAct.getEndTime(), route.getDriver(), route.getVehicle());
}
costs += solution.getUnassignedJobs().size() * 200;
return costs;
}
})
.buildAlgorithm();
}
};
VehicleRoutingAlgorithm vra = algorithmFactory.createAlgorithm(vrp);
vra.setMaxIterations(1000);
vra.addListener(new AlgorithmSearchProgressChartListener("output/search"));
VehicleRoutingProblemSolution solution = Solutions.bestOf(vra.searchSolutions());
System.out.println("c: " + solution.getCost());
SolutionPrinter.print(vrp, solution, SolutionPrinter.Print.VERBOSE);
new Plotter(vrp,solution).setLabel(Plotter.Label.ID).plot("output/plot","plot");
}
}