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added another example
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/*******************************************************************************
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* Copyright (C) 2013 Stefan Schroeder
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3.0 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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******************************************************************************/
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package jsprit.examples;
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import java.util.Collection;
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import jsprit.analysis.toolbox.GraphStreamViewer;
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import jsprit.analysis.toolbox.GraphStreamViewer.Label;
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import jsprit.analysis.toolbox.SolutionPrinter;
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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.recreate.listener.JobInsertedListener;
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import jsprit.core.algorithm.state.StateManager;
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import jsprit.core.algorithm.state.StateUpdater;
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import jsprit.core.problem.VehicleRoutingProblem;
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import jsprit.core.problem.VehicleRoutingProblem.FleetSize;
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import jsprit.core.problem.constraint.HardRouteStateLevelConstraint;
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import jsprit.core.problem.job.Job;
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import jsprit.core.problem.job.Shipment;
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import jsprit.core.problem.misc.JobInsertionContext;
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import jsprit.core.problem.solution.VehicleRoutingProblemSolution;
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import jsprit.core.problem.solution.route.VehicleRoute;
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import jsprit.core.problem.vehicle.Vehicle;
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import jsprit.core.problem.vehicle.VehicleImpl;
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import jsprit.core.problem.vehicle.VehicleImpl.Builder;
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import jsprit.core.problem.vehicle.VehicleType;
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import jsprit.core.problem.vehicle.VehicleTypeImpl;
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import jsprit.core.util.Coordinate;
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import jsprit.core.util.Solutions;
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import jsprit.util.Examples;
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public class EnRoutePickupAndDeliveryWithMultipleDepotsAndVehicleAccessConstraintExample {
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static class ClusterMem implements StateUpdater, JobInsertedListener {
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private StateManager stateManager;
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public ClusterMem(StateManager stateManager) {
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super();
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this.stateManager = stateManager;
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}
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@Override
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public void informJobInserted(Job job2insert, VehicleRoute inRoute, double additionalCosts, double additionalTime) {
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}
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}
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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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/*
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* get a vehicle type-builder and build a type with the typeId "vehicleType" and a capacity of 2
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*/
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VehicleTypeImpl.Builder vehicleTypeBuilder = VehicleTypeImpl.Builder.newInstance("vehicleType", 2);
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vehicleTypeBuilder.setCostPerDistance(1.0);
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VehicleType vehicleType = vehicleTypeBuilder.build();
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/*
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* define two depots, i.e. two vehicle locations ([10,10],[50,50]) and equip them with an infinite number of vehicles of type 'vehicleType'
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*/
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Builder vehicleBuilder1 = VehicleImpl.Builder.newInstance("v1");
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vehicleBuilder1.setLocationCoord(Coordinate.newInstance(10, 10));
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vehicleBuilder1.setType(vehicleType);
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Vehicle vehicle1 = vehicleBuilder1.build();
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Builder vehicleBuilder2 = VehicleImpl.Builder.newInstance("v2");
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vehicleBuilder2.setLocationCoord(Coordinate.newInstance(30, 30));
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vehicleBuilder2.setType(vehicleType);
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Vehicle vehicle2 = vehicleBuilder2.build();
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Builder vehicleBuilder3 = VehicleImpl.Builder.newInstance("v3");
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vehicleBuilder3.setLocationCoord(Coordinate.newInstance(10, 30));
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vehicleBuilder3.setType(vehicleType);
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Vehicle vehicle3 = vehicleBuilder3.build();
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Builder vehicleBuilder4 = VehicleImpl.Builder.newInstance("v4");
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vehicleBuilder4.setLocationCoord(Coordinate.newInstance(30, 10));
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vehicleBuilder4.setType(vehicleType);
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Vehicle vehicle4 = vehicleBuilder4.build();
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/*
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* build shipments at the required locations, each with a capacity-demand of 1.
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* 4 shipments
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* 1: (5,7)->(6,9)
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* 2: (5,13)->(6,11)
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* 3: (15,7)->(14,9)
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* 4: (15,13)->(14,11)
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*/
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Shipment shipment1 = Shipment.Builder.newInstance("1", 1).setPickupCoord(Coordinate.newInstance(5, 7)).setDeliveryCoord(Coordinate.newInstance(6, 9)).build();
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Shipment shipment2 = Shipment.Builder.newInstance("2", 1).setPickupCoord(Coordinate.newInstance(5, 13)).setDeliveryCoord(Coordinate.newInstance(6, 11)).build();
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Shipment shipment3 = Shipment.Builder.newInstance("3", 1).setPickupCoord(Coordinate.newInstance(15, 7)).setDeliveryCoord(Coordinate.newInstance(14, 9)).build();
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Shipment shipment4 = Shipment.Builder.newInstance("4", 1).setPickupCoord(Coordinate.newInstance(15, 13)).setDeliveryCoord(Coordinate.newInstance(14, 11)).build();
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Shipment shipment5 = Shipment.Builder.newInstance("5", 1).setPickupCoord(Coordinate.newInstance(25, 27)).setDeliveryCoord(Coordinate.newInstance(26, 29)).build();
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Shipment shipment6 = Shipment.Builder.newInstance("6", 1).setPickupCoord(Coordinate.newInstance(25, 33)).setDeliveryCoord(Coordinate.newInstance(26, 31)).build();
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Shipment shipment7 = Shipment.Builder.newInstance("7", 1).setPickupCoord(Coordinate.newInstance(35, 27)).setDeliveryCoord(Coordinate.newInstance(34, 29)).build();
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Shipment shipment8 = Shipment.Builder.newInstance("8", 1).setPickupCoord(Coordinate.newInstance(35, 33)).setDeliveryCoord(Coordinate.newInstance(34, 31)).build();
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Shipment shipment9 = Shipment.Builder.newInstance("9", 1).setPickupCoord(Coordinate.newInstance(5, 27)).setDeliveryCoord(Coordinate.newInstance(6, 29)).build();
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Shipment shipment10 = Shipment.Builder.newInstance("10", 1).setPickupCoord(Coordinate.newInstance(5, 33)).setDeliveryCoord(Coordinate.newInstance(6, 31)).build();
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Shipment shipment11 = Shipment.Builder.newInstance("11", 1).setPickupCoord(Coordinate.newInstance(15, 27)).setDeliveryCoord(Coordinate.newInstance(14, 29)).build();
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Shipment shipment12 = Shipment.Builder.newInstance("12", 1).setPickupCoord(Coordinate.newInstance(15, 33)).setDeliveryCoord(Coordinate.newInstance(14, 31)).build();
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Shipment shipment13 = Shipment.Builder.newInstance("13", 1).setPickupCoord(Coordinate.newInstance(25, 7)).setDeliveryCoord(Coordinate.newInstance(26, 9)).build();
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Shipment shipment14 = Shipment.Builder.newInstance("14", 1).setPickupCoord(Coordinate.newInstance(25, 13)).setDeliveryCoord(Coordinate.newInstance(26, 11)).build();
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Shipment shipment15 = Shipment.Builder.newInstance("15", 1).setPickupCoord(Coordinate.newInstance(35, 7)).setDeliveryCoord(Coordinate.newInstance(34, 9)).build();
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Shipment shipment16 = Shipment.Builder.newInstance("16", 1).setPickupCoord(Coordinate.newInstance(35, 13)).setDeliveryCoord(Coordinate.newInstance(34, 11)).build();
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Shipment shipment17 = Shipment.Builder.newInstance("17", 1).setPickupCoord(Coordinate.newInstance(5, 14)).setDeliveryCoord(Coordinate.newInstance(6, 16)).build();
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Shipment shipment18 = Shipment.Builder.newInstance("18", 1).setPickupCoord(Coordinate.newInstance(5, 20)).setDeliveryCoord(Coordinate.newInstance(6, 18)).build();
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Shipment shipment19 = Shipment.Builder.newInstance("19", 1).setPickupCoord(Coordinate.newInstance(15, 14)).setDeliveryCoord(Coordinate.newInstance(14, 16)).build();
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Shipment shipment20 = Shipment.Builder.newInstance("20", 1).setPickupCoord(Coordinate.newInstance(15, 20)).setDeliveryCoord(Coordinate.newInstance(14, 18)).build();
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VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance();
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vrpBuilder.addVehicle(vehicle1).addVehicle(vehicle2);
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// vrpBuilder.addVehicle(vehicle1).addVehicle(vehicle2).addVehicle(vehicle3).addVehicle(vehicle4);
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vrpBuilder.addJob(shipment1).addJob(shipment2).addJob(shipment3).addJob(shipment4);
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vrpBuilder.addJob(shipment5).addJob(shipment6).addJob(shipment7).addJob(shipment8);
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vrpBuilder.addJob(shipment9).addJob(shipment10).addJob(shipment11).addJob(shipment12);
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vrpBuilder.addJob(shipment13).addJob(shipment14).addJob(shipment15).addJob(shipment16);
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vrpBuilder.addJob(shipment17).addJob(shipment18).addJob(shipment19).addJob(shipment20);
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vrpBuilder.setFleetSize(FleetSize.FINITE);
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//vehicle1 cannot go to x>15 and vehicle2 cannot go to x<15
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/*
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* switch off the geoConstraints to show the effects without
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*/
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HardRouteStateLevelConstraint geoClusterConstraint = new HardRouteStateLevelConstraint() {
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@Override
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public boolean fulfilled(JobInsertionContext insertionContext) {
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Shipment shipment2insert = ((Shipment)insertionContext.getJob());
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if(insertionContext.getNewVehicle().getId().equals("v2")){
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if(shipment2insert.getPickupCoord().getX() > 15. || shipment2insert.getDeliveryCoord().getX() > 15.){
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return false;
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}
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}
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if(insertionContext.getNewVehicle().getId().equals("v1")){
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if(shipment2insert.getPickupCoord().getX() < 15. || shipment2insert.getDeliveryCoord().getX() < 15.){
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return false;
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}
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}
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return true;
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}
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};
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vrpBuilder.addConstraint(geoClusterConstraint);
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VehicleRoutingProblem problem = vrpBuilder.build();
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// StateManager stateManager = new StateManager(problem);
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/*
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* get the algorithm out-of-the-box.
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*/
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VehicleRoutingAlgorithm algorithm = VehicleRoutingAlgorithms.readAndCreateAlgorithm(problem, "input/algorithmConfig_noVehicleSwitch.xml");
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// algorithm.setNuOfIterations(30000);
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/*
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* and search a solution
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*/
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Collection<VehicleRoutingProblemSolution> solutions = algorithm.searchSolutions();
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/*
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* get the best
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*/
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VehicleRoutingProblemSolution bestSolution = Solutions.bestOf(solutions);
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/*
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* write out problem and solution to xml-file
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*/
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// new VrpXMLWriter(problem, solutions).write("output/shipment-problem-with-solution.xml");
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/*
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* print nRoutes and totalCosts of bestSolution
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*/
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SolutionPrinter.print(bestSolution);
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/*
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* plot problem without solution
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*/
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// Plotter problemPlotter = new Plotter(problem);
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// problemPlotter.plotShipments(true);
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// problemPlotter.plot("output/enRoutePickupAndDeliveryWithMultipleLocationsExample_problem.png", "en-route pickup and delivery");
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//
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// /*
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// * plot problem with solution
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// */
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// Plotter solutionPlotter = new Plotter(problem,Arrays.asList(Solutions.bestOf(solutions).getRoutes().iterator().next()));
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// solutionPlotter.plotShipments(true);
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// solutionPlotter.plot("output/enRoutePickupAndDeliveryWithMultipleLocationsExample_solution.png", "en-route pickup and delivery");
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new GraphStreamViewer(problem,Solutions.bestOf(solutions)).labelWith(Label.ACTIVITY).setRenderDelay(100).setRenderShipments(true).display();
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}
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}
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