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add VRPHE and VFM example
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oblonski
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73
jsprit-examples/input/algorithmConfigWithSchrimpfAcceptance.xml
Executable file
73
jsprit-examples/input/algorithmConfigWithSchrimpfAcceptance.xml
Executable file
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<?xml version="1.0" encoding="UTF-8"?>
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<!--
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Copyright (C) 2013 Stefan Schroeder
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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Contributors:
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Stefan Schroeder - initial API and implementation
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-->
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<algorithm xmlns="http://www.w3schools.com"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.w3schools.com algorithm_schema.xsd">
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<iterations>2000</iterations>
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<construction>
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<insertion name="bestInsertion"/>
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</construction>
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<strategy>
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<memory>1</memory>
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<searchStrategies>
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<searchStrategy name="radialRuinAndRecreate">
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<selector name="selectBest"/>
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<acceptor name="schrimpfAcceptance">
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<alpha>0.05</alpha>
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<warmup>20</warmup>
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</acceptor>
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<modules>
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<module name="ruin_and_recreate">
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<ruin name="randomRuin">
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<share>0.5</share>
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</ruin>
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<insertion name="bestInsertion"/>
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</module>
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</modules>
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<probability>0.5</probability>
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</searchStrategy>
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<searchStrategy name="radialRuinAndRecreate">
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<selector name="selectBest"/>
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<acceptor name="schrimpfAcceptance"/>
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<modules>
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<module name="ruin_and_recreate">
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<ruin id="1" name="radialRuin">
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<share>0.3</share>
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</ruin>
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<insertion name="bestInsertion"/>
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</module>
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</modules>
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<probability>0.5</probability>
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</searchStrategy>
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</searchStrategies>
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</strategy>
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</algorithm>
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package jsprit.examples;
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public class VFMExample {
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}
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117
jsprit-examples/src/main/java/jsprit/examples/VRPHEExample.java
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117
jsprit-examples/src/main/java/jsprit/examples/VRPHEExample.java
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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.SolutionPrinter;
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import jsprit.analysis.toolbox.SolutionPrinter.Print;
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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.problem.VehicleRoutingProblem;
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import jsprit.core.problem.VehicleRoutingProblem.FleetSize;
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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.vehicle.VehicleImpl;
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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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/**
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* customers (id,x,y,demand)
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* 1 22 22 18
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* 2 36 26 26
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* 3 21 45 11
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* 4 45 35 30
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* 5 55 20 21
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* 6 33 34 19
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* 7 50 50 15
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* 8 55 45 16
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* 9 26 59 29
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* 10 40 66 26
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* 11 55 65 37
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* 12 35 51 16
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* 13 62 35 12
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* 14 62 57 31
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* 15 62 24 8
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* 16 21 36 19
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* 17 33 44 20
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* 18 9 56 13
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* 19 62 48 15
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* 20 66 14 22
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*
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* vehicles (id,cap,fixed costs, perDistance, #vehicles) at location (40,40)
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* 1 120 1000 1.0 2
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* 2 160 1500 1.1 1
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* 3 300 3500 1.4 1
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*
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* @author schroeder
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*
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*/
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public class VRPHEExample {
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public static void main(String[] args) {
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VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance();
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//add customers
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vrpBuilder.addJob(Service.Builder.newInstance("1", 18).setCoord(Coordinate.newInstance(22, 22)).build());
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vrpBuilder.addJob(Service.Builder.newInstance("2", 26).setCoord(Coordinate.newInstance(36, 26)).build());
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vrpBuilder.addJob(Service.Builder.newInstance("3", 11).setCoord(Coordinate.newInstance(21, 45)).build());
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vrpBuilder.addJob(Service.Builder.newInstance("4", 30).setCoord(Coordinate.newInstance(45, 35)).build());
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vrpBuilder.addJob(Service.Builder.newInstance("5", 21).setCoord(Coordinate.newInstance(55, 20)).build());
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vrpBuilder.addJob(Service.Builder.newInstance("6", 19).setCoord(Coordinate.newInstance(33, 34)).build());
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vrpBuilder.addJob(Service.Builder.newInstance("7", 15).setCoord(Coordinate.newInstance(50, 50)).build());
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vrpBuilder.addJob(Service.Builder.newInstance("8", 16).setCoord(Coordinate.newInstance(55, 45)).build());
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vrpBuilder.addJob(Service.Builder.newInstance("9", 29).setCoord(Coordinate.newInstance(26, 59)).build());
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vrpBuilder.addJob(Service.Builder.newInstance("10", 26).setCoord(Coordinate.newInstance(40, 66)).build());
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vrpBuilder.addJob(Service.Builder.newInstance("11", 37).setCoord(Coordinate.newInstance(55, 56)).build());
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vrpBuilder.addJob(Service.Builder.newInstance("12", 16).setCoord(Coordinate.newInstance(35, 51)).build());
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vrpBuilder.addJob(Service.Builder.newInstance("13", 12).setCoord(Coordinate.newInstance(62, 35)).build());
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vrpBuilder.addJob(Service.Builder.newInstance("14", 31).setCoord(Coordinate.newInstance(62, 57)).build());
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vrpBuilder.addJob(Service.Builder.newInstance("15", 8).setCoord(Coordinate.newInstance(62, 24)).build());
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vrpBuilder.addJob(Service.Builder.newInstance("16", 19).setCoord(Coordinate.newInstance(21, 36)).build());
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vrpBuilder.addJob(Service.Builder.newInstance("17", 20).setCoord(Coordinate.newInstance(33, 44)).build());
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vrpBuilder.addJob(Service.Builder.newInstance("18", 13).setCoord(Coordinate.newInstance(9, 56)).build());
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vrpBuilder.addJob(Service.Builder.newInstance("19", 15).setCoord(Coordinate.newInstance(62, 48)).build());
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vrpBuilder.addJob(Service.Builder.newInstance("20", 22).setCoord(Coordinate.newInstance(66, 14)).build());
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//add vehicle - finite fleet
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//2xtype1
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VehicleType type1 = VehicleTypeImpl.Builder.newInstance("type_1", 120).setCostPerDistance(1.0).build();
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VehicleImpl vehicle1_1 = VehicleImpl.Builder.newInstance("1_1").setLocationCoord(Coordinate.newInstance(40, 40)).setType(type1).build();
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vrpBuilder.addVehicle(vehicle1_1);
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VehicleImpl vehicle1_2 = VehicleImpl.Builder.newInstance("1_2").setLocationCoord(Coordinate.newInstance(40, 40)).setType(type1).build();
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vrpBuilder.addVehicle(vehicle1_2);
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//1xtype2
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VehicleType type2 = VehicleTypeImpl.Builder.newInstance("type_2", 160).setCostPerDistance(1.1).build();
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VehicleImpl vehicle2_1 = VehicleImpl.Builder.newInstance("2_1").setLocationCoord(Coordinate.newInstance(40, 40)).setType(type2).build();
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vrpBuilder.addVehicle(vehicle2_1);
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//1xtype3
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VehicleType type3 = VehicleTypeImpl.Builder.newInstance("type_3", 300).setCostPerDistance(1.3).build();
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VehicleImpl vehicle3_1 = VehicleImpl.Builder.newInstance("3_1").setLocationCoord(Coordinate.newInstance(40, 40)).setType(type3).build();
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vrpBuilder.addVehicle(vehicle3_1);
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//add penaltyVehicles to allow invalid solutions temporarily
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vrpBuilder.addPenaltyVehicles(5, 1000);
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//set fleetsize finite
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vrpBuilder.setFleetSize(FleetSize.FINITE);
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//build problem
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VehicleRoutingProblem vrp = vrpBuilder.build();
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VehicleRoutingAlgorithm vra = VehicleRoutingAlgorithms.readAndCreateAlgorithm(vrp, "input/algorithmConfigWithSchrimpfAcceptance.xml");
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Collection<VehicleRoutingProblemSolution> solutions = vra.searchSolutions();
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VehicleRoutingProblemSolution best = Solutions.bestOf(solutions);
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SolutionPrinter.print(vrp, best, Print.VERBOSE);
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new GraphStreamViewer(vrp, best).setRenderDelay(100).display();
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}
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}
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