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Code Issues Releases Wiki Activity

refine insertion calc

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oblonski 2015-07-30 21:24:54 +02:00
parent adeceb2640
commit 9717926b8e
5 changed files with 375 additions and 42 deletions
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19
jsprit-examples/src/main/java/jsprit/examples/VariableStartAndWaitingTimeExample.java
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@ -35,25 +35,26 @@ public class VariableStartAndWaitingTimeExample {
public static void main(String[] args) {
VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("type").setCostPerDistance(1.5).setCostPerWaitingTime(1.0).build();
VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("type").setCostPerDistance(2.5).setCostPerWaitingTime(2.0).build();
// VehicleTypeImpl type1 = VehicleTypeImpl.Builder.newInstance("type1").setCostPerDistance(1.5).setCostPerWaitingTime(.0).build();
VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2").setType(type).setReturnToDepot(true)
.setHasVariableDepartureTime(true).setStartLocation(Location.newInstance(0, 0)).build();
VehicleImpl v3 = VehicleImpl.Builder.newInstance("v3").setType(type).setReturnToDepot(true)
.setHasVariableDepartureTime(true).setStartLocation(Location.newInstance(0, 0)).build();
VehicleImpl v4 = VehicleImpl.Builder.newInstance("v4").setType(type).setReturnToDepot(true)
.setHasVariableDepartureTime(true).setStartLocation(Location.newInstance(0, 0)).build();
.setHasVariableDepartureTime(false).setStartLocation(Location.newInstance(0, 0)).build();
VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance();
Random r = RandomNumberGeneration.newInstance();
for(int i=0;i<20;i++){
Service s = Service.Builder.newInstance("s_"+i)
for(int i=0;i<40;i++){
Service s = Service.Builder.newInstance("s_"+i).setServiceTime(0)
// .setTimeWindow(TimeWindow.newInstance(r.nextInt(50),100+r.nextInt(150)))
.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(20, 40)).build();
Service s1 = Service.Builder.newInstance("s12").setLocation(Location.newInstance(-3, 15)).setTimeWindow(TimeWindow.newInstance(20, 60)).build();
// Service s4 = Service.Builder.newInstance("s13").setLocation(Location.newInstance(5,15)).setTimeWindow(TimeWindow.newInstance(100, 160)).build();
Service s2 = Service.Builder.newInstance("s10").setLocation(Location.newInstance(-1, 15)).setTimeWindow(TimeWindow.newInstance(200, 210)).build();
Service s2 = Service.Builder.newInstance("s10").setLocation(Location.newInstance(-1, 15)).setTimeWindow(TimeWindow.newInstance(200, 250)).build();
Service s3 = Service.Builder.newInstance("s11").setLocation(Location.newInstance(10, 10)).setTimeWindow(TimeWindow.newInstance(300, 310)).build();
vrpBuilder.addJob(s1).addJob(s2).addJob(s3).addVehicle(v4).addVehicle(v2).addVehicle(v3);
vrpBuilder.setFleetSize(VehicleRoutingProblem.FleetSize.FINITE);
@ -70,8 +71,8 @@ public class VariableStartAndWaitingTimeExample {
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(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() {
@ -96,7 +97,7 @@ public class VariableStartAndWaitingTimeExample {
}
};
VehicleRoutingAlgorithm vra = algorithmFactory.createAlgorithm(vrp);
vra.setMaxIterations(1000);
vra.setMaxIterations(500);
vra.addListener(new AlgorithmSearchProgressChartListener("output/search"));
VehicleRoutingProblemSolution solution = Solutions.bestOf(vra.searchSolutions());
System.out.println("c: " + solution.getCost());