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Code Issues Releases Wiki Activity

update waiting time example

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oblonski 2015-09-12 12:46:33 +02:00
parent ee418afa93
commit a7f20cd578
1 changed files with 0 additions and 44 deletions
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jsprit-examples/src/main/java/jsprit/examples/WaitingTimeExample.java
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@ -24,15 +24,10 @@ import java.util.Random;
*/
public class WaitingTimeExample {
static interface AlgorithmFactory {
VehicleRoutingAlgorithm createAlgorithm(VehicleRoutingProblem vrp);
}
public static void main(String[] args) {
VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("type").setCostPerDistance(4.).setCostPerWaitingTime(1.0).build();
VehicleTypeImpl type1 = VehicleTypeImpl.Builder.newInstance("type1").setCostPerDistance(4.).setCostPerWaitingTime(1.0).build();
// VehicleTypeImpl type2 = VehicleTypeImpl.Builder.newInstance("type2").setCostPerDistance(4.).setCostPerWaitingTime(2.0).build();
VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2").setType(type).setReturnToDepot(true)
.setStartLocation(Location.newInstance(0, 0))
@ -42,13 +37,10 @@ public class WaitingTimeExample {
.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);
}
@ -60,42 +52,6 @@ public class WaitingTimeExample {
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(2000);
vra.addListener(new AlgorithmSearchProgressChartListener("output/search"));