@Override
public jsprit.core.problem.job.Service.Builder createBuilder(
String serviceType, String id, Integer size) {
if (serviceType.equals("pickup")) {
if (size != null) return Pickup.Builder.newInstance(id).addSizeDimension(0, size);
else return Pickup.Builder.newInstance(id);
} else if (serviceType.equals("delivery")) {
if (size != null) return Delivery.Builder.newInstance(id).addSizeDimension(0, size);
else return Delivery.Builder.newInstance(id);
} else {
if (size != null) return Service.Builder.newInstance(id).addSizeDimension(0, size);
else return Service.Builder.newInstance(id);
}
}
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");
}
@Before
public void doBefore() {
Vehicle vehicle = mock(Vehicle.class);
VehicleType type = mock(VehicleType.class);
when(type.getCapacityDimensions())
.thenReturn(Capacity.Builder.newInstance().addDimension(0, 20).build());
when(vehicle.getType()).thenReturn(type);
VehicleRoutingProblem.Builder serviceProblemBuilder =
VehicleRoutingProblem.Builder.newInstance();
Service s1 =
Service.Builder.newInstance("s").addSizeDimension(0, 10).setLocationId("loc").build();
Service s2 =
Service.Builder.newInstance("s2").addSizeDimension(0, 5).setLocationId("loc").build();
serviceProblemBuilder.addJob(s1).addJob(s2);
final VehicleRoutingProblem serviceProblem = serviceProblemBuilder.build();
final VehicleRoutingProblem.Builder pdProblemBuilder =
VehicleRoutingProblem.Builder.newInstance();
Pickup pickup =
(Pickup)
Pickup.Builder.newInstance("pick").addSizeDimension(0, 10).setLocationId("loc").build();
Delivery delivery =
(Delivery)
Delivery.Builder.newInstance("del").addSizeDimension(0, 5).setLocationId("loc").build();
pdProblemBuilder.addJob(pickup).addJob(delivery);
final VehicleRoutingProblem pdProblem = pdProblemBuilder.build();
final VehicleRoutingProblem.Builder shipmentProblemBuilder =
VehicleRoutingProblem.Builder.newInstance();
Shipment shipment1 =
Shipment.Builder.newInstance("s1")
.addSizeDimension(0, 10)
.setPickupLocation("pick")
.setDeliveryLocation("del")
.build();
Shipment shipment2 =
Shipment.Builder.newInstance("s2")
.addSizeDimension(0, 5)
.setPickupLocation("pick")
.setDeliveryLocation("del")
.build();
shipmentProblemBuilder.addJob(shipment1).addJob(shipment2).build();
final VehicleRoutingProblem shipmentProblem = shipmentProblemBuilder.build();
VehicleRoute.Builder serviceRouteBuilder = VehicleRoute.Builder.newInstance(vehicle);
serviceRouteBuilder.setJobActivityFactory(
new JobActivityFactory() {
@Override
public List<AbstractActivity> createActivities(Job job) {
return serviceProblem.copyAndGetActivities(job);
}
});
serviceRoute = serviceRouteBuilder.addService(s1).addService(s2).build();
VehicleRoute.Builder pdRouteBuilder = VehicleRoute.Builder.newInstance(vehicle);
pdRouteBuilder.setJobActivityFactory(
new JobActivityFactory() {
@Override
public List<AbstractActivity> createActivities(Job job) {
return pdProblem.copyAndGetActivities(job);
}
});
pickup_delivery_route = pdRouteBuilder.addService(pickup).addService(delivery).build();
VehicleRoute.Builder shipmentRouteBuilder = VehicleRoute.Builder.newInstance(vehicle);
shipmentRouteBuilder.setJobActivityFactory(
new JobActivityFactory() {
@Override
public List<AbstractActivity> createActivities(Job job) {
return shipmentProblem.copyAndGetActivities(job);
}
});
shipment_route =
shipmentRouteBuilder
.addPickup(shipment1)
.addPickup(shipment2)
.addDelivery(shipment2)
.addDelivery(shipment1)
.build();
stateManager = new StateManager(mock(VehicleRoutingProblem.class));
stateManager.updateLoadStates();
}
public void read(String filename) {
BufferedReader reader = getReader(filename);
String line = null;
boolean firstline = true;
Coordinate depotCoord = null;
int customerCount = 0;
Integer nuOfCustomer = 0;
while ((line = readLine(reader)) != null) {
String trimedLine = line.trim();
if (trimedLine.startsWith("//")) continue;
String[] tokens = trimedLine.split("\\s+");
if (firstline) {
nuOfCustomer = Integer.parseInt(tokens[0]);
customerCount = 0;
firstline = false;
} else if (customerCount <= nuOfCustomer) {
if (customerCount == 0) {
depotCoord =
Coordinate.newInstance(Double.parseDouble(tokens[1]), Double.parseDouble(tokens[2]));
} else {
Service.Builder serviceBuilder =
Service.Builder.newInstance(tokens[0])
.addSizeDimension(0, Integer.parseInt(tokens[3]));
serviceBuilder.setCoord(
Coordinate.newInstance(Double.parseDouble(tokens[1]), Double.parseDouble(tokens[2])));
vrpBuilder.addJob(serviceBuilder.build());
}
customerCount++;
} else if (trimedLine.startsWith("v")) {
VehicleTypeImpl.Builder typeBuilder =
VehicleTypeImpl.Builder.newInstance("type_" + tokens[1])
.addCapacityDimension(0, Integer.parseInt(tokens[2]));
int nuOfVehicles = 1;
if (vrphType.equals(VrphType.FSMF)) {
typeBuilder.setFixedCost(Double.parseDouble(tokens[3]));
} else if (vrphType.equals(VrphType.FSMFD)) {
typeBuilder.setFixedCost(Double.parseDouble(tokens[3]));
if (tokens.length > 4) {
typeBuilder.setCostPerDistance(Double.parseDouble(tokens[4]));
} else
throw new IllegalStateException(
"option " + vrphType + " cannot be applied with this instance");
} else if (vrphType.equals(VrphType.FSMD)) {
if (tokens.length > 4) {
typeBuilder.setCostPerDistance(Double.parseDouble(tokens[4]));
} else
throw new IllegalStateException(
"option " + vrphType + " cannot be applied with this instance");
} else if (vrphType.equals(VrphType.HVRPD)) {
if (tokens.length > 4) {
typeBuilder.setCostPerDistance(Double.parseDouble(tokens[4]));
nuOfVehicles = Integer.parseInt(tokens[5]);
vrpBuilder.setFleetSize(FleetSize.FINITE);
vrpBuilder.addPenaltyVehicles(5.0, 5000);
} else
throw new IllegalStateException(
"option " + vrphType + " cannot be applied with this instance");
} else if (vrphType.equals(VrphType.HVRPFD)) {
if (tokens.length > 4) {
typeBuilder.setFixedCost(Double.parseDouble(tokens[3]));
typeBuilder.setCostPerDistance(Double.parseDouble(tokens[4]));
nuOfVehicles = Integer.parseInt(tokens[5]);
vrpBuilder.setFleetSize(FleetSize.FINITE);
vrpBuilder.addPenaltyVehicles(5.0, 5000);
} else
throw new IllegalStateException(
"option " + vrphType + " cannot be applied with this instance");
}
for (int i = 0; i < nuOfVehicles; i++) {
VehicleTypeImpl type = typeBuilder.build();
Vehicle vehicle =
VehicleImpl.Builder.newInstance("vehicle_" + tokens[1] + "_" + i)
.setStartLocationCoordinate(depotCoord)
.setType(type)
.build();
vrpBuilder.addVehicle(vehicle);
}
}
}
closeReader(reader);
}
public void read(String fileName) {
vrpBuilder.setFleetSize(FleetSize.FINITE);
BufferedReader reader = getReader(fileName);
int vrpType;
int nOfDepots = 0;
int nOfCustomers = 0;
int nOfVehiclesAtEachDepot = 0;
int counter = 0;
String line;
List<List<Builder>> vehiclesAtDepot = new ArrayList<List<Builder>>();
int depotCounter = 0;
while ((line = readLine(reader)) != null) {
line = line.replace("\r", "");
line = line.trim();
String[] tokens = line.split("\\s+");
if (counter == 0) {
vrpType = Integer.parseInt(tokens[0].trim());
if (vrpType != 2)
throw new IllegalStateException("expect vrpType to be equal to 2 and thus to be MDVRP");
nOfVehiclesAtEachDepot = Integer.parseInt(tokens[1].trim());
nOfCustomers = Integer.parseInt(tokens[2].trim());
nOfDepots = Integer.parseInt(tokens[3].trim());
} else if (counter <= nOfDepots) {
String depot = Integer.valueOf(counter).toString();
int duration = Integer.parseInt(tokens[0].trim());
if (duration == 0) duration = 999999;
int capacity = Integer.parseInt(tokens[1].trim());
VehicleTypeImpl vehicleType =
VehicleTypeImpl.Builder.newInstance(counter + "_cordeauType")
.addCapacityDimension(0, capacity)
.setCostPerDistance(1.0)
.setFixedCost(0)
.build();
List<Builder> builders = new ArrayList<VehicleImpl.Builder>();
for (int vehicleCounter = 0; vehicleCounter < nOfVehiclesAtEachDepot; vehicleCounter++) {
Builder vBuilder =
VehicleImpl.Builder.newInstance(
depot + "_" + (vehicleCounter + 1) + "_cordeauVehicle");
vBuilder.setLatestArrival(duration).setType(vehicleType);
builders.add(vBuilder);
}
vehiclesAtDepot.add(builders);
} else if (counter <= (nOfCustomers + nOfDepots)) {
String id = tokens[0].trim();
Coordinate customerCoord = makeCoord(tokens[1].trim(), tokens[2].trim());
double serviceTime = Double.parseDouble(tokens[3].trim());
int demand = Integer.parseInt(tokens[4].trim());
Service service =
Service.Builder.newInstance(id)
.addSizeDimension(0, demand)
.setServiceTime(serviceTime)
.setLocation(
Location.Builder.newInstance().setId(id).setCoordinate(customerCoord).build())
.build();
vrpBuilder.addJob(service);
} else if (counter <= (nOfCustomers + nOfDepots + nOfDepots)) {
Coordinate depotCoord = makeCoord(tokens[1].trim(), tokens[2].trim());
List<Builder> vBuilders = vehiclesAtDepot.get(depotCounter);
for (Builder vBuilder : vBuilders) {
vBuilder.setStartLocation(Location.newInstance(depotCoord.getX(), depotCoord.getY()));
VehicleImpl vehicle = vBuilder.build();
vrpBuilder.addVehicle(vehicle);
}
depotCounter++;
} else {
throw new IllegalStateException("there are more lines than expected in file.");
}
counter++;
}
close(reader);
}