com.graphhopper.jsprit.examples.HVRPExample Maven / Gradle / Ivy
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* additional information regarding copyright ownership.
*
* GraphHopper GmbH licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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package com.graphhopper.jsprit.examples;
import com.graphhopper.jsprit.analysis.toolbox.GraphStreamViewer;
import com.graphhopper.jsprit.core.algorithm.VehicleRoutingAlgorithm;
import com.graphhopper.jsprit.core.algorithm.box.Jsprit;
import com.graphhopper.jsprit.core.problem.Location;
import com.graphhopper.jsprit.core.problem.VehicleRoutingProblem;
import com.graphhopper.jsprit.core.problem.VehicleRoutingProblem.FleetSize;
import com.graphhopper.jsprit.core.problem.job.Service;
import com.graphhopper.jsprit.core.problem.solution.VehicleRoutingProblemSolution;
import com.graphhopper.jsprit.core.problem.vehicle.VehicleImpl;
import com.graphhopper.jsprit.core.problem.vehicle.VehicleType;
import com.graphhopper.jsprit.core.problem.vehicle.VehicleTypeImpl;
import com.graphhopper.jsprit.core.reporting.SolutionPrinter;
import com.graphhopper.jsprit.core.util.Solutions;
import java.util.Collection;
/**
* customers (id,x,y,demand)
* 1 22 22 18
* 2 36 26 26
* 3 21 45 11
* 4 45 35 30
* 5 55 20 21
* 6 33 34 19
* 7 50 50 15
* 8 55 45 16
* 9 26 59 29
* 10 40 66 26
* 11 55 65 37
* 12 35 51 16
* 13 62 35 12
* 14 62 57 31
* 15 62 24 8
* 16 21 36 19
* 17 33 44 20
* 18 9 56 13
* 19 62 48 15
* 20 66 14 22
*
* vehicles (id,cap,fixed costs, perDistance, #vehicles) at location (40,40)
* 1 120 1000 1.0 2
* 2 160 1500 1.1 1
* 3 300 3500 1.4 1
*
* @author schroeder
*/
public class HVRPExample {
public static void main(String[] args) {
VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance();
//add customers
vrpBuilder.addJob(Service.Builder.newInstance("1").addSizeDimension(0, 18).setLocation(Location.newInstance(22, 22)).build());
vrpBuilder.addJob(Service.Builder.newInstance("2").addSizeDimension(0, 26).setLocation(Location.newInstance(36, 26)).build());
vrpBuilder.addJob(Service.Builder.newInstance("3").addSizeDimension(0, 11).setLocation(Location.newInstance(21, 45)).build());
vrpBuilder.addJob(Service.Builder.newInstance("4").addSizeDimension(0, 30).setLocation(Location.newInstance(45, 35)).build());
vrpBuilder.addJob(Service.Builder.newInstance("5").addSizeDimension(0, 21).setLocation(Location.newInstance(55, 20)).build());
vrpBuilder.addJob(Service.Builder.newInstance("6").addSizeDimension(0, 19).setLocation(Location.newInstance(33, 34)).build());
vrpBuilder.addJob(Service.Builder.newInstance("7").addSizeDimension(0, 15).setLocation(Location.newInstance(50, 50)).build());
vrpBuilder.addJob(Service.Builder.newInstance("8").addSizeDimension(0, 16).setLocation(Location.newInstance(55, 45)).build());
vrpBuilder.addJob(Service.Builder.newInstance("9").addSizeDimension(0, 29).setLocation(Location.newInstance(26, 59)).build());
vrpBuilder.addJob(Service.Builder.newInstance("10").addSizeDimension(0, 26).setLocation(Location.newInstance(40, 66)).build());
vrpBuilder.addJob(Service.Builder.newInstance("11").addSizeDimension(0, 37).setLocation(Location.newInstance(55, 56)).build());
vrpBuilder.addJob(Service.Builder.newInstance("12").addSizeDimension(0, 16).setLocation(Location.newInstance(35, 51)).build());
vrpBuilder.addJob(Service.Builder.newInstance("13").addSizeDimension(0, 12).setLocation(Location.newInstance(62, 35)).build());
vrpBuilder.addJob(Service.Builder.newInstance("14").addSizeDimension(0, 31).setLocation(Location.newInstance(62, 57)).build());
vrpBuilder.addJob(Service.Builder.newInstance("15").addSizeDimension(0, 8).setLocation(Location.newInstance(62, 24)).build());
vrpBuilder.addJob(Service.Builder.newInstance("16").addSizeDimension(0, 19).setLocation(Location.newInstance(21, 36)).build());
vrpBuilder.addJob(Service.Builder.newInstance("17").addSizeDimension(0, 20).setLocation(Location.newInstance(33, 44)).build());
vrpBuilder.addJob(Service.Builder.newInstance("18").addSizeDimension(0, 13).setLocation(Location.newInstance(9, 56)).build());
vrpBuilder.addJob(Service.Builder.newInstance("19").addSizeDimension(0, 15).setLocation(Location.newInstance(62, 48)).build());
vrpBuilder.addJob(Service.Builder.newInstance("20").addSizeDimension(0, 22).setLocation(Location.newInstance(66, 14)).build());
//add vehicle - finite fleet
//2xtype1
VehicleType type1 = VehicleTypeImpl.Builder.newInstance("type_1").addCapacityDimension(0, 120).setCostPerDistance(1.0).build();
VehicleImpl vehicle1_1 = VehicleImpl.Builder.newInstance("1_1").setStartLocation(Location.newInstance(40, 40)).setType(type1).build();
vrpBuilder.addVehicle(vehicle1_1);
VehicleImpl vehicle1_2 = VehicleImpl.Builder.newInstance("1_2").setStartLocation(Location.newInstance(40, 40)).setType(type1).build();
vrpBuilder.addVehicle(vehicle1_2);
//1xtype2
VehicleType type2 = VehicleTypeImpl.Builder.newInstance("type_2").addCapacityDimension(0, 160).setCostPerDistance(1.1).build();
VehicleImpl vehicle2_1 = VehicleImpl.Builder.newInstance("2_1").setStartLocation(Location.newInstance(40, 40)).setType(type2).build();
vrpBuilder.addVehicle(vehicle2_1);
//1xtype3
VehicleType type3 = VehicleTypeImpl.Builder.newInstance("type_3").addCapacityDimension(0, 300).setCostPerDistance(1.3).build();
VehicleImpl vehicle3_1 = VehicleImpl.Builder.newInstance("3_1").setStartLocation(Location.newInstance(40, 40)).setType(type3).build();
vrpBuilder.addVehicle(vehicle3_1);
//add penaltyVehicles to allow invalid solutions temporarily
// vrpBuilder.addPenaltyVehicles(5, 1000);
//set fleetsize finite
vrpBuilder.setFleetSize(FleetSize.FINITE);
//build problem
VehicleRoutingProblem vrp = vrpBuilder.build();
VehicleRoutingAlgorithm vra = Jsprit.createAlgorithm(vrp);
Collection solutions = vra.searchSolutions();
VehicleRoutingProblemSolution best = Solutions.bestOf(solutions);
SolutionPrinter.print(vrp, best, SolutionPrinter.Print.VERBOSE);
new GraphStreamViewer(vrp, best).setRenderDelay(100).display();
}
}