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merge min-waiting-time branch
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oblonski
commit
a9d1e03c56
27 changed files with 2898 additions and 1944 deletions
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@ -18,7 +18,7 @@ package jsprit.examples;
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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.io.VehicleRoutingAlgorithms;
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import jsprit.core.algorithm.box.Jsprit;
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import jsprit.core.problem.Location;
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import jsprit.core.problem.VehicleRoutingProblem;
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import jsprit.core.problem.VehicleRoutingProblem.FleetSize;
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@ -40,26 +40,27 @@ import java.util.Collection;
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* Illustrates how you can use jsprit with an already compiled distance and time matrix.
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*
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* @author schroeder
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*
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*/
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public class CostMatrixExample {
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public static void main(String[] args) {
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/*
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* some preparation - create output folder
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public static void main(String[] args) {
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/*
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* some preparation - create output folder
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*/
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Examples.createOutputFolder();
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Examples.createOutputFolder();
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VehicleType type = VehicleTypeImpl.Builder.newInstance("type").addCapacityDimension(0, 2).setCostPerDistance(1).setCostPerTime(2).build();
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VehicleImpl vehicle = VehicleImpl.Builder.newInstance("vehicle")
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.setStartLocation(Location.newInstance("0")).setType(type).build();
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VehicleType type = VehicleTypeImpl.Builder.newInstance("type").addCapacityDimension(0, 2).setCostPerDistance(1).setCostPerTime(2).build();
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VehicleImpl vehicle = VehicleImpl.Builder.newInstance("vehicle")
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.setStartLocation(Location.newInstance("0")).setType(type).build();
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Service s1 = Service.Builder.newInstance("1").addSizeDimension(0, 1).setLocation(Location.newInstance("1")).build();
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Service s2 = Service.Builder.newInstance("2").addSizeDimension(0, 1).setLocation(Location.newInstance("2")).build();
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Service s3 = Service.Builder.newInstance("3").addSizeDimension(0, 1).setLocation(Location.newInstance("3")).build();
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Service s1 = Service.Builder.newInstance("1").addSizeDimension(0, 1).setLocation(Location.newInstance("1")).build();
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Service s2 = Service.Builder.newInstance("2").addSizeDimension(0, 1).setLocation(Location.newInstance("2")).build();
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Service s3 = Service.Builder.newInstance("3").addSizeDimension(0, 1).setLocation(Location.newInstance("3")).build();
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/*
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* Assume the following symmetric distance-matrix
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* Assume the following symmetric distance-matrix
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* from,to,distance
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* 0,1,10.0
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* 0,2,20.0
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@ -76,35 +77,35 @@ public class CostMatrixExample {
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* 1,3,0.5
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* 2,3,1.0
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*/
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//define a matrix-builder building a symmetric matrix
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VehicleRoutingTransportCostsMatrix.Builder costMatrixBuilder = VehicleRoutingTransportCostsMatrix.Builder.newInstance(true);
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costMatrixBuilder.addTransportDistance("0", "1", 10.0);
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costMatrixBuilder.addTransportDistance("0", "2", 20.0);
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costMatrixBuilder.addTransportDistance("0", "3", 5.0);
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costMatrixBuilder.addTransportDistance("1", "2", 4.0);
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costMatrixBuilder.addTransportDistance("1", "3", 1.0);
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costMatrixBuilder.addTransportDistance("2", "3", 2.0);
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//define a matrix-builder building a symmetric matrix
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VehicleRoutingTransportCostsMatrix.Builder costMatrixBuilder = VehicleRoutingTransportCostsMatrix.Builder.newInstance(true);
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costMatrixBuilder.addTransportDistance("0", "1", 10.0);
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costMatrixBuilder.addTransportDistance("0", "2", 20.0);
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costMatrixBuilder.addTransportDistance("0", "3", 5.0);
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costMatrixBuilder.addTransportDistance("1", "2", 4.0);
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costMatrixBuilder.addTransportDistance("1", "3", 1.0);
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costMatrixBuilder.addTransportDistance("2", "3", 2.0);
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costMatrixBuilder.addTransportTime("0", "1", 10.0);
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costMatrixBuilder.addTransportTime("0", "2", 20.0);
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costMatrixBuilder.addTransportTime("0", "3", 5.0);
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costMatrixBuilder.addTransportTime("1", "2", 4.0);
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costMatrixBuilder.addTransportTime("1", "3", 1.0);
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costMatrixBuilder.addTransportTime("2", "3", 2.0);
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costMatrixBuilder.addTransportTime("0", "1", 10.0);
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costMatrixBuilder.addTransportTime("0", "2", 20.0);
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costMatrixBuilder.addTransportTime("0", "3", 5.0);
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costMatrixBuilder.addTransportTime("1", "2", 4.0);
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costMatrixBuilder.addTransportTime("1", "3", 1.0);
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costMatrixBuilder.addTransportTime("2", "3", 2.0);
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VehicleRoutingTransportCosts costMatrix = costMatrixBuilder.build();
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VehicleRoutingTransportCosts costMatrix = costMatrixBuilder.build();
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VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().setFleetSize(FleetSize.INFINITE).setRoutingCost(costMatrix)
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.addVehicle(vehicle).addJob(s1).addJob(s2).addJob(s3).build();
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VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().setFleetSize(FleetSize.INFINITE).setRoutingCost(costMatrix)
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.addVehicle(vehicle).addJob(s1).addJob(s2).addJob(s3).build();
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VehicleRoutingAlgorithm vra = VehicleRoutingAlgorithms.readAndCreateAlgorithm(vrp, "input/fastAlgo.xml");
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VehicleRoutingAlgorithm vra = Jsprit.createAlgorithm(vrp);
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Collection<VehicleRoutingProblemSolution> solutions = vra.searchSolutions();
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Collection<VehicleRoutingProblemSolution> solutions = vra.searchSolutions();
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SolutionPrinter.print(Solutions.bestOf(solutions));
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SolutionPrinter.print(Solutions.bestOf(solutions));
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new Plotter(vrp, Solutions.bestOf(solutions)).plot("output/yo.png", "po");
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new Plotter(vrp, Solutions.bestOf(solutions)).plot("output/yo.png", "po");
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}
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}
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}
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@ -0,0 +1,74 @@
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package jsprit.examples;
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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.analysis.SolutionAnalyser;
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import jsprit.core.problem.Location;
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import jsprit.core.problem.VehicleRoutingProblem;
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import jsprit.core.problem.cost.TransportDistance;
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import jsprit.core.problem.job.Service;
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import jsprit.core.problem.solution.VehicleRoutingProblemSolution;
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import jsprit.core.problem.solution.route.activity.TimeWindow;
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import jsprit.core.problem.vehicle.VehicleImpl;
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import jsprit.core.problem.vehicle.VehicleTypeImpl;
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import jsprit.core.reporting.SolutionPrinter;
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import jsprit.core.util.RandomNumberGeneration;
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import jsprit.core.util.Solutions;
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import java.util.Random;
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/**
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* Created by schroeder on 23/07/15.
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*/
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public class WaitingTimeExample {
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public static void main(String[] args) {
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VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("type").setCostPerDistance(4.).setCostPerWaitingTime(1.0).build();
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VehicleTypeImpl type1 = VehicleTypeImpl.Builder.newInstance("type1").setCostPerDistance(4.).setCostPerWaitingTime(1.0).build();
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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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.build();
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VehicleImpl v3 = VehicleImpl.Builder.newInstance("v3").setType(type1).setReturnToDepot(true)
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.setStartLocation(Location.newInstance(0, 10))
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.setEarliestStart(200).setLatestArrival(450)
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.build();
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VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance();
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Random r = RandomNumberGeneration.newInstance();
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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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.setLocation(Location.newInstance(1 - r.nextInt(5), 10 + r.nextInt(10))).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(400, 600)).build();
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vrpBuilder.addJob(s1).addJob(s2).addJob(s3).addJob(s4).addVehicle(v2).addVehicle(v3);
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vrpBuilder.setFleetSize(VehicleRoutingProblem.FleetSize.FINITE);
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final VehicleRoutingProblem vrp = vrpBuilder.build();
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VehicleRoutingAlgorithm vra = Jsprit.createAlgorithm(vrp);
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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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System.out.println("c: " + solution.getCost());
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SolutionPrinter.print(vrp, solution, SolutionPrinter.Print.VERBOSE);
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SolutionAnalyser sa = new SolutionAnalyser(vrp, solution, new TransportDistance() {
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@Override
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public double getDistance(Location from, Location to) {
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return vrp.getTransportCosts().getTransportTime(from,to,0.,null,null);
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}
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});
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System.out.println("totalWaiting: " + sa.getWaitingTime());
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System.out.println("brokenTWs: " + sa.getTimeWindowViolation());
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new Plotter(vrp,solution).setLabel(Plotter.Label.ID).plot("output/plot","plot");
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}
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}
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@ -0,0 +1,90 @@
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package jsprit.examples;
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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.problem.Location;
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import jsprit.core.problem.VehicleRoutingProblem;
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import jsprit.core.problem.job.Service;
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import jsprit.core.problem.solution.VehicleRoutingProblemSolution;
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import jsprit.core.problem.solution.route.activity.TimeWindow;
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import jsprit.core.problem.vehicle.VehicleImpl;
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import jsprit.core.problem.vehicle.VehicleTypeImpl;
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import jsprit.core.reporting.SolutionPrinter;
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import jsprit.core.util.Solutions;
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/**
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* Created by schroeder on 23/07/15.
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*/
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public class WaitingTimeExample2 {
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static interface AlgorithmFactory {
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VehicleRoutingAlgorithm createAlgorithm(VehicleRoutingProblem vrp);
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}
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public static void main(String[] args) {
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VehicleTypeImpl type = VehicleTypeImpl.Builder.newInstance("type").setCostPerDistance(1.5).setCostPerWaitingTime(1.).build();
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// VehicleTypeImpl type1 = VehicleTypeImpl.Builder.newInstance("type1").setCostPerDistance(1.5).setCostPerWaitingTime(.0).build();
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VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2").setType(type).setReturnToDepot(true)
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.setStartLocation(Location.newInstance(0, 0)).build();
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VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance();
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Service s1 = Service.Builder.newInstance("s12").setLocation(Location.newInstance(-1, 5)).setTimeWindow(TimeWindow.newInstance(100, 110)).build();
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Service s4 = Service.Builder.newInstance("s13").setLocation(Location.newInstance(0, 10)).build();
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Service s2 = Service.Builder.newInstance("s10").setLocation(Location.newInstance(1, 12)).build();
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Service s3 = Service.Builder.newInstance("s11").setLocation(Location.newInstance(4, 10)).build();
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Service s5 = Service.Builder.newInstance("s14").setLocation(Location.newInstance(6, 5)).setTimeWindow(TimeWindow.newInstance(110,220)).build();
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vrpBuilder.addJob(s1).addJob(s2).addJob(s3).addJob(s4).addJob(s5).addVehicle(v2);
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vrpBuilder.setFleetSize(VehicleRoutingProblem.FleetSize.FINITE);
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final VehicleRoutingProblem vrp = vrpBuilder.build();
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// AlgorithmFactory algorithmFactory = new AlgorithmFactory() {
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// @Override
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// public VehicleRoutingAlgorithm createAlgorithm(final VehicleRoutingProblem vrp) {
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// StateManager stateManager = new StateManager(vrp);
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// stateManager.addStateUpdater(new UpdateFutureWaitingTimes(stateManager,vrp.getTransportCosts()));
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// ConstraintManager constraintManager = new ConstraintManager(vrp,stateManager);
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//
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// return Jsprit.Builder.newInstance(vrp)
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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.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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// .setObjectiveFunction(new SolutionCostCalculator() {
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// @Override
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// public double getCosts(VehicleRoutingProblemSolution solution) {
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// double costs = 0.;
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// for (VehicleRoute route : solution.getRoutes()) {
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// costs += route.getVehicle().getType().getVehicleCostParams().fix;
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// TourActivity prevAct = route.getStart();
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// for (TourActivity act : route.getActivities()) {
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// costs += vrp.getTransportCosts().getTransportCost(prevAct.getLocation(), act.getLocation(), prevAct.getEndTime(), route.getDriver(), route.getVehicle());
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// costs += vrp.getActivityCosts().getActivityCost(act, act.getArrTime(), route.getDriver(), route.getVehicle());
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// prevAct = act;
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// }
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// costs += vrp.getTransportCosts().getTransportCost(prevAct.getLocation(), route.getEnd().getLocation(), prevAct.getEndTime(), route.getDriver(), route.getVehicle());
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// }
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// costs += solution.getUnassignedJobs().size() * 200;
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// return costs;
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// }
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// })
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// .buildAlgorithm();
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// }
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// };
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VehicleRoutingAlgorithm vra = Jsprit.createAlgorithm(vrp);
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vra.setMaxIterations(1000);
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vra.addListener(new AlgorithmSearchProgressChartListener("output/search"));
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VehicleRoutingProblemSolution solution = Solutions.bestOf(vra.searchSolutions());
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System.out.println("c: " + solution.getCost());
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SolutionPrinter.print(vrp, solution, SolutionPrinter.Print.VERBOSE);
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new Plotter(vrp,solution).setLabel(Plotter.Label.ID).plot("output/plot","plot");
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}
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}
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