mirror of
https://github.com/graphhopper/jsprit.git
synced 2020-01-24 07:45:05 +01:00
add updater
This commit is contained in:
oblonski
parent
d6e17f03ea
commit
ee418afa93
4 changed files with 142 additions and 151 deletions
|
|
@ -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);
|
||||
|
|
|
|||
|
|
@ -1,96 +0,0 @@
|
|||
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");
|
||||
}
|
||||
}
|
||||
|
|
@ -4,19 +4,13 @@ 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;
|
||||
|
|
@ -28,7 +22,7 @@ import java.util.Random;
|
|||
/**
|
||||
* Created by schroeder on 23/07/15.
|
||||
*/
|
||||
public class VariableStartAndWaitingTimeExample {
|
||||
public class WaitingTimeExample {
|
||||
|
||||
static interface AlgorithmFactory {
|
||||
VehicleRoutingAlgorithm createAlgorithm(VehicleRoutingProblem vrp);
|
||||
|
|
@ -36,15 +30,15 @@ public class VariableStartAndWaitingTimeExample {
|
|||
|
||||
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 type = VehicleTypeImpl.Builder.newInstance("type").setCostPerDistance(4.).setCostPerWaitingTime(1.0).build();
|
||||
VehicleTypeImpl type1 = VehicleTypeImpl.Builder.newInstance("type1").setCostPerDistance(4.).setCostPerWaitingTime(1.0).build();
|
||||
// VehicleTypeImpl type2 = VehicleTypeImpl.Builder.newInstance("type2").setCostPerDistance(4.).setCostPerWaitingTime(2.0).build();
|
||||
|
||||
VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2").setType(type).setReturnToDepot(false)
|
||||
VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2").setType(type).setReturnToDepot(true)
|
||||
.setStartLocation(Location.newInstance(0, 0))
|
||||
.setEarliestStart(0).setLatestArrival(220)
|
||||
.build();
|
||||
VehicleImpl v3 = VehicleImpl.Builder.newInstance("v3").setType(type1).setReturnToDepot(false)
|
||||
VehicleImpl v3 = VehicleImpl.Builder.newInstance("v3").setType(type1).setReturnToDepot(true)
|
||||
.setStartLocation(Location.newInstance(0, 10))
|
||||
.setEarliestStart(200).setLatestArrival(450)
|
||||
.build();
|
||||
|
|
@ -61,47 +55,48 @@ public class VariableStartAndWaitingTimeExample {
|
|||
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();
|
||||
Service s3 = Service.Builder.newInstance("s11").setLocation(Location.newInstance(10, 10)).setTimeWindow(TimeWindow.newInstance(400, 600)).build();
|
||||
vrpBuilder.addJob(s1).addJob(s2).addJob(s3).addJob(s4).addVehicle(v2).addVehicle(v3);
|
||||
vrpBuilder.setFleetSize(VehicleRoutingProblem.FleetSize.FINITE);
|
||||
final VehicleRoutingProblem vrp = vrpBuilder.build();
|
||||
|
||||
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);
|
||||
// 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();
|
||||
// }
|
||||
// };
|
||||
|
||||
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);
|
||||
VehicleRoutingAlgorithm vra = Jsprit.createAlgorithm(vrp);
|
||||
vra.setMaxIterations(2000);
|
||||
vra.addListener(new AlgorithmSearchProgressChartListener("output/search"));
|
||||
VehicleRoutingProblemSolution solution = Solutions.bestOf(vra.searchSolutions());
|
||||
|
|
@ -0,0 +1,90 @@
|
|||
package jsprit.examples;
|
||||
|
||||
import jsprit.analysis.toolbox.AlgorithmSearchProgressChartListener;
|
||||
import jsprit.analysis.toolbox.Plotter;
|
||||
import jsprit.core.algorithm.VehicleRoutingAlgorithm;
|
||||
import jsprit.core.algorithm.box.Jsprit;
|
||||
import jsprit.core.problem.Location;
|
||||
import jsprit.core.problem.VehicleRoutingProblem;
|
||||
import jsprit.core.problem.job.Service;
|
||||
import jsprit.core.problem.solution.VehicleRoutingProblemSolution;
|
||||
import jsprit.core.problem.solution.route.activity.TimeWindow;
|
||||
import jsprit.core.problem.vehicle.VehicleImpl;
|
||||
import jsprit.core.problem.vehicle.VehicleTypeImpl;
|
||||
import jsprit.core.reporting.SolutionPrinter;
|
||||
import jsprit.core.util.Solutions;
|
||||
|
||||
/**
|
||||
* Created by schroeder on 23/07/15.
|
||||
*/
|
||||
public class WaitingTimeExample2 {
|
||||
|
||||
static interface AlgorithmFactory {
|
||||
VehicleRoutingAlgorithm createAlgorithm(VehicleRoutingProblem vrp);
|
||||
}
|
||||
|
||||
public static void main(String[] args) {
|
||||
|
||||
VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("type").setCostPerDistance(1.5).setCostPerWaitingTime(1.).build();
|
||||
// VehicleTypeImpl type1 = VehicleTypeImpl.Builder.newInstance("type1").setCostPerDistance(1.5).setCostPerWaitingTime(.0).build();
|
||||
|
||||
VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2").setType(type).setReturnToDepot(true)
|
||||
.setStartLocation(Location.newInstance(0, 0)).build();
|
||||
|
||||
VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance();
|
||||
|
||||
|
||||
Service s1 = Service.Builder.newInstance("s12").setLocation(Location.newInstance(-1, 5)).setTimeWindow(TimeWindow.newInstance(100, 110)).build();
|
||||
Service s4 = Service.Builder.newInstance("s13").setLocation(Location.newInstance(0, 10)).build();
|
||||
Service s2 = Service.Builder.newInstance("s10").setLocation(Location.newInstance(1, 12)).build();
|
||||
Service s3 = Service.Builder.newInstance("s11").setLocation(Location.newInstance(4, 10)).build();
|
||||
Service s5 = Service.Builder.newInstance("s14").setLocation(Location.newInstance(6, 5)).setTimeWindow(TimeWindow.newInstance(110,220)).build();
|
||||
vrpBuilder.addJob(s1).addJob(s2).addJob(s3).addJob(s4).addJob(s5).addVehicle(v2);
|
||||
vrpBuilder.setFleetSize(VehicleRoutingProblem.FleetSize.FINITE);
|
||||
final VehicleRoutingProblem vrp = vrpBuilder.build();
|
||||
|
||||
// AlgorithmFactory algorithmFactory = new AlgorithmFactory() {
|
||||
// @Override
|
||||
// public VehicleRoutingAlgorithm createAlgorithm(final VehicleRoutingProblem vrp) {
|
||||
// StateManager stateManager = new StateManager(vrp);
|
||||
// stateManager.addStateUpdater(new UpdateFutureWaitingTimes(stateManager,vrp.getTransportCosts()));
|
||||
// ConstraintManager constraintManager = new ConstraintManager(vrp,stateManager);
|
||||
//
|
||||
// return Jsprit.Builder.newInstance(vrp)
|
||||
// .addCoreStateAndConstraintStuff(true)
|
||||
// .setStateAndConstraintManager(stateManager, constraintManager)
|
||||
//// .setProperty(Jsprit.Parameter.THRESHOLD_INI, "0.1")
|
||||
//// .setProperty(Jsprit.Parameter.THRESHOLD_ALPHA, "0.3")
|
||||
//// .setProperty(Parameter.)
|
||||
//// .setProperty(Jsprit.Parameter.CONSTRUCTION, Jsprit.Construction.BEST_INSERTION.toString())
|
||||
// .setObjectiveFunction(new SolutionCostCalculator() {
|
||||
// @Override
|
||||
// public double getCosts(VehicleRoutingProblemSolution solution) {
|
||||
// double costs = 0.;
|
||||
// for (VehicleRoute route : solution.getRoutes()) {
|
||||
// costs += route.getVehicle().getType().getVehicleCostParams().fix;
|
||||
// TourActivity prevAct = route.getStart();
|
||||
// for (TourActivity act : route.getActivities()) {
|
||||
// costs += vrp.getTransportCosts().getTransportCost(prevAct.getLocation(), act.getLocation(), prevAct.getEndTime(), route.getDriver(), route.getVehicle());
|
||||
// costs += vrp.getActivityCosts().getActivityCost(act, act.getArrTime(), route.getDriver(), route.getVehicle());
|
||||
// prevAct = act;
|
||||
// }
|
||||
// costs += vrp.getTransportCosts().getTransportCost(prevAct.getLocation(), route.getEnd().getLocation(), prevAct.getEndTime(), route.getDriver(), route.getVehicle());
|
||||
// }
|
||||
// costs += solution.getUnassignedJobs().size() * 200;
|
||||
// return costs;
|
||||
// }
|
||||
// })
|
||||
// .buildAlgorithm();
|
||||
// }
|
||||
// };
|
||||
VehicleRoutingAlgorithm vra = Jsprit.createAlgorithm(vrp);
|
||||
vra.setMaxIterations(1000);
|
||||
vra.addListener(new AlgorithmSearchProgressChartListener("output/search"));
|
||||
VehicleRoutingProblemSolution solution = Solutions.bestOf(vra.searchSolutions());
|
||||
System.out.println("c: " + solution.getCost());
|
||||
SolutionPrinter.print(vrp, solution, SolutionPrinter.Print.VERBOSE);
|
||||
|
||||
new Plotter(vrp,solution).setLabel(Plotter.Label.ID).plot("output/plot","plot");
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue