package jsprit.core.algorithm.state;
import jsprit.core.algorithm.VehicleRoutingAlgorithm;
import jsprit.core.algorithm.VehicleRoutingAlgorithmBuilder;
import jsprit.core.algorithm.recreate.NoSolutionFoundException;
import jsprit.core.problem.Skills;
import jsprit.core.problem.VehicleRoutingProblem;
import jsprit.core.problem.constraint.ConstraintManager;
import jsprit.core.problem.io.VrpXMLReader;
import jsprit.core.problem.job.Job;
import jsprit.core.problem.job.Service;
import jsprit.core.problem.solution.VehicleRoutingProblemSolution;
import jsprit.core.problem.solution.route.VehicleRoute;
import jsprit.core.problem.vehicle.Vehicle;
import jsprit.core.problem.vehicle.VehicleImpl;
import jsprit.core.problem.vehicle.VehicleType;
import jsprit.core.util.Solutions;
import org.junit.Test;
import java.util.Collection;
import static org.junit.Assert.*;
/**
* to test skills with penalty vehicles
*/
public class SolomonSkills_IT {
@Test
public void itShouldMakeCorrectAssignmentAccordingToSkills(){
VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance();
new VrpXMLReader(vrpBuilder).read("src/test/resources/solomon_c101.xml");
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<6;i++) {
VehicleImpl skill1Vehicle = VehicleImpl.Builder.newInstance("skill1_vehicle_"+i).addSkill("skill1")
.setStartLocationCoordinate(solomonVehicle.getStartLocationCoordinate()).setStartLocationId(solomonVehicle.getStartLocationId())
.setEarliestStart(solomonVehicle.getEarliestDeparture())
.setType(newType).build();
VehicleImpl skill2Vehicle = VehicleImpl.Builder.newInstance("skill2_vehicle_"+i).addSkill("skill2")
.setStartLocationCoordinate(solomonVehicle.getStartLocationCoordinate()).setStartLocationId(solomonVehicle.getStartLocationId())
.setEarliestStart(solomonVehicle.getEarliestDeparture())
.setType(newType).build();
skillProblemBuilder.addVehicle(skill1Vehicle).addVehicle(skill2Vehicle);
}
for(Job job : vrp.getJobs().values()){
Service service = (Service) job;
Service.Builder skillServiceBuilder = Service.Builder.newInstance(service.getId()).setServiceTime(service.getServiceDuration())
.setCoord(service.getCoord()).setLocationId(service.getLocationId()).setTimeWindow(service.getTimeWindow())
.addSizeDimension(0,service.getSize().get(0));
if(service.getCoord().getY()<50) skillServiceBuilder.addRequiredSkill("skill2");
else skillServiceBuilder.addRequiredSkill("skill1");
skillProblemBuilder.addJob(skillServiceBuilder.build());
}
skillProblemBuilder.addPenaltyVehicles(3.);
skillProblemBuilder.setFleetSize(VehicleRoutingProblem.FleetSize.FINITE);
VehicleRoutingProblem skillProblem = skillProblemBuilder.build();
VehicleRoutingAlgorithmBuilder vraBuilder = new VehicleRoutingAlgorithmBuilder(skillProblem,"src/test/resources/algorithmConfig.xml");
vraBuilder.addCoreConstraints();
vraBuilder.addDefaultCostCalculators();
StateManager stateManager = new StateManager(skillProblem);
stateManager.updateSkillStates();
ConstraintManager constraintManager = new ConstraintManager(skillProblem,stateManager);
constraintManager.addSkillsConstraint();
VehicleRoutingAlgorithm vra = vraBuilder.build();
vra.setNuOfIterations(500);
try {
Collection<VehicleRoutingProblemSolution> solutions = vra.searchSolutions();
VehicleRoutingProblemSolution solution = Solutions.bestOf(solutions);
assertEquals(828.94, solution.getCost(), 0.01);
for(VehicleRoute route : solution.getRoutes()){
Skills vehicleSkill = route.getVehicle().getSkills();
for(Job job : route.getTourActivities().getJobs()){
for(String skill : job.getRequiredSkills().values()){
if(!vehicleSkill.containsSkill(skill)){
assertFalse(true);
}
}
}
}
assertTrue(true);
}
catch (NoSolutionFoundException e){
System.out.println(e.toString());
assertFalse(true);
}
}
}