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rename packages to com.graphhopper.* - #215

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oblonski 2016-02-03 14:31:36 +01:00
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jsprit-examples/src/main/java/com/graphhopper/jsprit/examples/SolomonWithSkillsExample.java Normal file
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/*******************************************************************************
* Copyright (C) 2014 Stefan Schroeder
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3.0 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
******************************************************************************/
package com.graphhopper.jsprit.examples;
import com.graphhopper.jsprit.analysis.toolbox.Plotter;
import com.graphhopper.jsprit.core.algorithm.VehicleRoutingAlgorithm;
import com.graphhopper.jsprit.core.algorithm.VehicleRoutingAlgorithmBuilder;
import com.graphhopper.jsprit.core.algorithm.box.Jsprit;
import com.graphhopper.jsprit.core.algorithm.state.StateManager;
import com.graphhopper.jsprit.core.problem.Location;
import com.graphhopper.jsprit.core.problem.VehicleRoutingProblem;
import com.graphhopper.jsprit.core.problem.constraint.ConstraintManager;
import com.graphhopper.jsprit.core.problem.io.VrpXMLWriter;
import com.graphhopper.jsprit.core.problem.job.Job;
import com.graphhopper.jsprit.core.problem.job.Service;
import com.graphhopper.jsprit.core.problem.solution.VehicleRoutingProblemSolution;
import com.graphhopper.jsprit.core.problem.vehicle.Vehicle;
import com.graphhopper.jsprit.core.problem.vehicle.VehicleImpl;
import com.graphhopper.jsprit.core.problem.vehicle.VehicleType;
import com.graphhopper.jsprit.core.reporting.SolutionPrinter;
import com.graphhopper.jsprit.core.util.Solutions;
import com.graphhopper.jsprit.instance.reader.SolomonReader;
import java.util.Collection;
public class SolomonWithSkillsExample {
public static void main(String[] args) {
VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance();
new SolomonReader(vrpBuilder).read("input/C101_solomon.txt");
VehicleRoutingProblem vrp = vrpBuilder.build();
//y >= 50 skill1 otherwise skill2
//two vehicles: v1 - skill1 #5; v2 - skill2 #6
Vehicle solomonVehicle = vrp.getVehicles().iterator().next();
VehicleType newType = solomonVehicle.getType();
VehicleRoutingProblem.Builder skillProblemBuilder = VehicleRoutingProblem.Builder.newInstance();
for (int i = 0; i < 5; i++) {
VehicleImpl skill1Vehicle = VehicleImpl.Builder.newInstance("skill1_vehicle_" + i).addSkill("skill1")
.setStartLocation(Location.Builder.newInstance().setId(solomonVehicle.getStartLocation().getId()).setCoordinate(solomonVehicle.getStartLocation().getCoordinate()).build())
.setEarliestStart(solomonVehicle.getEarliestDeparture())
.setType(newType).build();
VehicleImpl skill2Vehicle = VehicleImpl.Builder.newInstance("skill2_vehicle_" + i).addSkill("skill2")
.setStartLocation(Location.Builder.newInstance().setId(solomonVehicle.getStartLocation().getId())
.setCoordinate(solomonVehicle.getStartLocation().getCoordinate()).build())
.setEarliestStart(solomonVehicle.getEarliestDeparture())
.setType(newType).build();
skillProblemBuilder.addVehicle(skill1Vehicle).addVehicle(skill2Vehicle);
}
for (Job job : vrp.getJobs().values()) {
Service service = (Service) job;
Service.Builder skillServiceBuilder;
if (service.getLocation().getCoordinate().getY() < 50.) {
skillServiceBuilder = Service.Builder.newInstance(service.getId() + "_skill2").setServiceTime(service.getServiceDuration())
.setLocation(Location.Builder.newInstance().setId(service.getLocation().getId())
.setCoordinate(service.getLocation().getCoordinate()).build()).setTimeWindow(service.getTimeWindow())
.addSizeDimension(0, service.getSize().get(0));
skillServiceBuilder.addRequiredSkill("skill2");
} else {
skillServiceBuilder = Service.Builder.newInstance(service.getId() + "_skill1").setServiceTime(service.getServiceDuration())
.setLocation(
Location.Builder.newInstance().setId(service.getLocation().getId())
.setCoordinate(service.getLocation().getCoordinate()).build()
).setTimeWindow(service.getTimeWindow())
.addSizeDimension(0, service.getSize().get(0));
skillServiceBuilder.addRequiredSkill("skill1");
}
skillProblemBuilder.addJob(skillServiceBuilder.build());
}
skillProblemBuilder.setFleetSize(VehicleRoutingProblem.FleetSize.FINITE);
VehicleRoutingProblem skillProblem = skillProblemBuilder.build();
VehicleRoutingAlgorithmBuilder vraBuilder = new VehicleRoutingAlgorithmBuilder(skillProblem, "input/algorithmConfig_solomon.xml");
vraBuilder.addCoreConstraints();
vraBuilder.addDefaultCostCalculators();
StateManager stateManager = new StateManager(skillProblem);
stateManager.updateSkillStates();
ConstraintManager constraintManager = new ConstraintManager(skillProblem, stateManager);
constraintManager.addSkillsConstraint();
VehicleRoutingAlgorithm vra = Jsprit.Builder.newInstance(skillProblem).setStateAndConstraintManager(stateManager, constraintManager).buildAlgorithm();
Collection<VehicleRoutingProblemSolution> solutions = vra.searchSolutions();
VehicleRoutingProblemSolution solution = Solutions.bestOf(solutions);
SolutionPrinter.print(skillProblem, solution, SolutionPrinter.Print.VERBOSE);
new Plotter(skillProblem, solution).plot("output/skill_solution", "solomon_with_skills");
new VrpXMLWriter(skillProblem, solutions).write("output/solomon_with_skills");
}
}