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https://github.com/graphhopper/jsprit.git
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add driver breaks
This commit is contained in:
oblonski
parent
2503a96237
commit
28dcb2fb56
9 changed files with 100 additions and 25 deletions
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@ -47,19 +47,22 @@ public class BreakExample {
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* get a vehicle type-builder and build a type with the typeId "vehicleType" and one capacity dimension, i.e. weight, and capacity dimension value of 2
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*/
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final int WEIGHT_INDEX = 0;
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VehicleTypeImpl.Builder vehicleTypeBuilder = VehicleTypeImpl.Builder.newInstance("vehicleType").addCapacityDimension(WEIGHT_INDEX, 4);
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VehicleTypeImpl.Builder vehicleTypeBuilder = VehicleTypeImpl.Builder.newInstance("vehicleType")
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.addCapacityDimension(WEIGHT_INDEX, 2).setCostPerWaitingTime(1.);
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VehicleType vehicleType = vehicleTypeBuilder.build();
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/*
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* get a vehicle-builder and build a vehicle located at (10,10) with type "vehicleType"
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*/
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Builder vehicleBuilder = Builder.newInstance("vehicle");
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Builder vehicleBuilder = Builder.newInstance("v1");
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vehicleBuilder.setStartLocation(Location.newInstance(10, 10));
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Break myFirstBreak = (Break) Break.Builder.newInstance("myFirstBreak").setTimeWindow(TimeWindow.newInstance(30, 50)).setServiceTime(10).build();
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Break myFirstBreak = (Break) Break.Builder.newInstance("myFirstBreak").setTimeWindow(TimeWindow.newInstance(10, 15)).setServiceTime(100).build();
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vehicleBuilder.setBreak(myFirstBreak);
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vehicleBuilder.setType(vehicleType);
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VehicleImpl vehicle = vehicleBuilder.build();
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VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2").setStartLocation(Location.newInstance(0, 10)).setType(vehicleType)
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.setBreak((Break) Break.Builder.newInstance("mySecondBreak").setTimeWindow(TimeWindow.newInstance(5,10)).setServiceTime(10).build()).build();
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/*
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* build services at the required locations, each with a capacity-demand of 1.
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*/
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@ -72,7 +75,7 @@ public class BreakExample {
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VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance();
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vrpBuilder.addVehicle(vehicle);
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vrpBuilder.addJob(service1).addJob(service2).addJob(service3).addJob(service4);
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vrpBuilder.addJob(service1).addJob(service2).addJob(service3).addJob(service4).addVehicle(v2);
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vrpBuilder.setFleetSize(VehicleRoutingProblem.FleetSize.FINITE);
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VehicleRoutingProblem problem = vrpBuilder.build();
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@ -4,6 +4,7 @@ import jsprit.analysis.toolbox.AlgorithmSearchProgressChartListener;
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import jsprit.analysis.toolbox.Plotter;
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import jsprit.core.algorithm.VehicleRoutingAlgorithm;
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import jsprit.core.algorithm.box.Jsprit;
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import jsprit.core.algorithm.ruin.RuinBreaks;
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import jsprit.core.algorithm.state.StateManager;
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import jsprit.core.algorithm.state.UpdateFutureWaitingTimes;
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import jsprit.core.analysis.SolutionAnalyser;
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@ -11,6 +12,7 @@ import jsprit.core.problem.Location;
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import jsprit.core.problem.VehicleRoutingProblem;
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import jsprit.core.problem.constraint.ConstraintManager;
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import jsprit.core.problem.cost.TransportDistance;
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import jsprit.core.problem.job.Break;
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import jsprit.core.problem.job.Service;
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import jsprit.core.problem.solution.SolutionCostCalculator;
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import jsprit.core.problem.solution.VehicleRoutingProblemSolution;
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@ -36,17 +38,37 @@ public class VariableStartAndWaitingTimeExample {
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public static void main(String[] args) {
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VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("type").setCostPerDistance(4.).setCostPerWaitingTime(2.0).build();
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VehicleTypeImpl type1 = VehicleTypeImpl.Builder.newInstance("type1").setCostPerDistance(4.).setCostPerWaitingTime(2.0).build();
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VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("type")
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.addCapacityDimension(0,22)
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.setCostPerDistance(4.).setCostPerWaitingTime(2.0).build();
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VehicleTypeImpl type2 = VehicleTypeImpl.Builder.newInstance("type2")
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.addCapacityDimension(0,22)
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.setCostPerDistance(4.).setCostPerWaitingTime(2.0).build();
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VehicleTypeImpl type3 = VehicleTypeImpl.Builder.newInstance("type3")
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.addCapacityDimension(0,22)
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.setCostPerDistance(4.).setCostPerWaitingTime(2.0).build();
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// VehicleTypeImpl type1 = VehicleTypeImpl.Builder.newInstance("type1").setCostPerDistance(4.).setCostPerWaitingTime(2.0).build();
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// VehicleTypeImpl type2 = VehicleTypeImpl.Builder.newInstance("type2").setCostPerDistance(4.).setCostPerWaitingTime(2.0).build();
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VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2").setType(type).setReturnToDepot(false)
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VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2").setType(type).setReturnToDepot(true)
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.setStartLocation(Location.newInstance(0, 0))
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.setEarliestStart(0).setLatestArrival(220)
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.setEarliestStart(0).setLatestArrival(420)
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.setBreak((Break) Break.Builder.newInstance("v2-break").setTimeWindow(TimeWindow.newInstance(50,70)).setServiceTime(100).build())
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.build();
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VehicleImpl v3 = VehicleImpl.Builder.newInstance("v3").setType(type1).setReturnToDepot(false)
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.setStartLocation(Location.newInstance(0, 10))
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.setEarliestStart(200).setLatestArrival(450)
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VehicleImpl v3 = VehicleImpl.Builder.newInstance("v3").setType(type2).setReturnToDepot(true)
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.setStartLocation(Location.newInstance(0.5, 10.5))
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.setBreak((Break) Break.Builder.newInstance("v3-break").setTimeWindow(TimeWindow.newInstance(50,70)).setServiceTime(100).build())
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.setEarliestStart(0).setLatestArrival(420)
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.build();
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VehicleImpl v4 = VehicleImpl.Builder.newInstance("v4").setType(type3).setReturnToDepot(true)
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.setStartLocation(Location.newInstance(7, 10.5))
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.setBreak((Break) Break.Builder.newInstance("v4-break").setTimeWindow(TimeWindow.newInstance(50,70)).setServiceTime(50).build())
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.setEarliestStart(0).setLatestArrival(420)
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.build();
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VehicleImpl v5 = VehicleImpl.Builder.newInstance("v5").setType(type3).setReturnToDepot(true)
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.setStartLocation(Location.newInstance(7, 10.5))
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.setBreak((Break) Break.Builder.newInstance("v5-break").setTimeWindow(TimeWindow.newInstance(300,350)).setServiceTime(20).build())
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.setEarliestStart(250).setLatestArrival(420)
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.build();
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// VehicleImpl v4 = VehicleImpl.Builder.newInstance("v4").setType(type2).setReturnToDepot(true)
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// .setStartLocation(Location.newInstance(0, 0)).build();
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@ -55,14 +77,18 @@ public class VariableStartAndWaitingTimeExample {
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for(int i=0;i<40;i++){
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Service s = Service.Builder.newInstance("s_"+i).setServiceTime(5)
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// .setTimeWindow(TimeWindow.newInstance(0,100*(1+r.nextInt(3))))
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.setLocation(Location.newInstance(1 - r.nextInt(5), 10 + r.nextInt(10))).build();
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.setLocation(Location.newInstance(1 - r.nextInt(5), 10 + r.nextInt(10)))
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.addSizeDimension(0,1)
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.build();
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vrpBuilder.addJob(s);
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}
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Service s1 = Service.Builder.newInstance("s12").setLocation(Location.newInstance(-3, 15)).setTimeWindow(TimeWindow.newInstance(290, 600)).build();
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Service s4 = Service.Builder.newInstance("s13").setLocation(Location.newInstance(0,20)).setTimeWindow(TimeWindow.newInstance(290, 340)).build();
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Service s2 = Service.Builder.newInstance("s10").setLocation(Location.newInstance(-1, 15)).setTimeWindow(TimeWindow.newInstance(300, 350)).build();
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Service s3 = Service.Builder.newInstance("s11").setLocation(Location.newInstance(10, 10)).setTimeWindow(TimeWindow.newInstance(300, 600)).build();
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vrpBuilder.addJob(s1).addJob(s2).addJob(s3).addJob(s4).addVehicle(v2).addVehicle(v3);
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Service s1 = Service.Builder.newInstance("s12").addSizeDimension(0,1).setLocation(Location.newInstance(-3, 15)).setTimeWindow(TimeWindow.newInstance(290, 600)).build();
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Service s4 = Service.Builder.newInstance("s13").addSizeDimension(0,1).setLocation(Location.newInstance(0, 20)).setTimeWindow(TimeWindow.newInstance(290, 340)).build();
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Service s2 = Service.Builder.newInstance("s10").addSizeDimension(0,1).setLocation(Location.newInstance(-1, 15)).setTimeWindow(TimeWindow.newInstance(300, 350)).build();
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Service s3 = Service.Builder.newInstance("s11").addSizeDimension(0,1).setLocation(Location.newInstance(10, 10)).setTimeWindow(TimeWindow.newInstance(300, 600)).build();
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vrpBuilder
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.addJob(s1).addJob(s2).addJob(s3).addJob(s4)
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.addVehicle(v2).addVehicle(v3).addVehicle(v4).addVehicle(v5);
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vrpBuilder.setFleetSize(VehicleRoutingProblem.FleetSize.FINITE);
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final VehicleRoutingProblem vrp = vrpBuilder.build();
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@ -77,6 +103,11 @@ public class VariableStartAndWaitingTimeExample {
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.addCoreStateAndConstraintStuff(true)
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.setStateAndConstraintManager(stateManager, constraintManager)
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.setProperty(Jsprit.Parameter.THRESHOLD_INI, "0.1")
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.setProperty(Jsprit.Strategy.CLUSTER_REGRET, "0.")
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.setProperty(Jsprit.Strategy.CLUSTER_BEST, "0.")
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// .setProperty(Jsprit.Strategy.WORST_REGRET, "0.")
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// .setProperty(Jsprit.Strategy.RANDOM_REGRET, "0.")
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// .setProperty(Jsprit.Strategy.RADIAL_REGRET, "0.")
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// .setProperty(Jsprit.Parameter.THRESHOLD_ALPHA, "0.3")
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// .setProperty(Parameter.)
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// .setProperty(Jsprit.Parameter.CONSTRUCTION, Jsprit.Construction.BEST_INSERTION.toString())
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@ -102,6 +133,7 @@ public class VariableStartAndWaitingTimeExample {
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}
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};
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VehicleRoutingAlgorithm vra = algorithmFactory.createAlgorithm(vrp);
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vra.addListener(new RuinBreaks());
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vra.setMaxIterations(2000);
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vra.addListener(new AlgorithmSearchProgressChartListener("output/search"));
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VehicleRoutingProblemSolution solution = Solutions.bestOf(vra.searchSolutions());
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