mirror of
https://github.com/graphhopper/jsprit.git
synced 2020-01-24 07:45:05 +01:00
irisshainsky
GitHub
commit
ac14f2850c
3 changed files with 545 additions and 15 deletions
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@ -25,6 +25,7 @@ import com.graphhopper.jsprit.core.problem.job.Job;
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import com.graphhopper.jsprit.core.problem.solution.route.VehicleRoute;
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import com.graphhopper.jsprit.core.problem.solution.route.activity.*;
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import com.graphhopper.jsprit.core.problem.vehicle.Vehicle;
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import com.graphhopper.jsprit.core.problem.vehicle.VehicleTypeKey;
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import java.util.*;
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@ -51,7 +52,7 @@ public class UpdateMaxTimeInVehicle implements StateUpdater, ActivityVisitor{
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private Location[] prevActLocations;
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private Collection<Vehicle> vehicles;
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private Map<VehicleTypeKey, Vehicle> allVehicleTypes = new HashMap<>();
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private final TransportTime transportTime;
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@ -80,6 +81,20 @@ public class UpdateMaxTimeInVehicle implements StateUpdater, ActivityVisitor{
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}
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public UpdateMaxTimeInVehicle(StateManager stateManager, StateId slackTimeId, Collection<Vehicle> vehicles, TransportTime transportTime, VehicleRoutingActivityCosts activityCosts, StateId openJobsId) {
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this.stateManager = stateManager;
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this.minSlackId = slackTimeId;
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this.openJobsId = openJobsId;
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this.transportTime = transportTime;
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prevActEndTimes = new double[stateManager.getMaxIndexOfVehicleTypeIdentifiers() + 1];
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prevActLocations = new Location[stateManager.getMaxIndexOfVehicleTypeIdentifiers() + 1];
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this.activityCosts = activityCosts;
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for (Vehicle v : vehicles)
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allVehicleTypes.put(v.getVehicleTypeIdentifier(), v);
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}
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public void setVehiclesToUpdate(UpdateVehicleDependentPracticalTimeWindows.VehiclesToUpdate vehiclesToUpdate) {
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this.vehiclesToUpdate = vehiclesToUpdate;
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}
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@ -90,9 +105,9 @@ public class UpdateMaxTimeInVehicle implements StateUpdater, ActivityVisitor{
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openPickupEndTimesPerVehicle.clear();
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slackTimesPerVehicle.clear();
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actStartTimesPerVehicle.clear();
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vehicles = vehiclesToUpdate.get(route);
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allVehicleTypes.put(route.getVehicle().getVehicleTypeIdentifier(), route.getVehicle());
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this.route = route;
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for(Vehicle v : vehicles){
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for(Vehicle v : allVehicleTypes.values()){
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int vehicleIndex = v.getVehicleTypeIdentifier().getIndex();
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openPickupEndTimesPerVehicle.put(vehicleIndex, new HashMap<Job, Double>());
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slackTimesPerVehicle.put(vehicleIndex, new HashMap<TourActivity, Double>());
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@ -107,7 +122,7 @@ public class UpdateMaxTimeInVehicle implements StateUpdater, ActivityVisitor{
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public void visit(TourActivity activity) {
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double maxTime = getMaxTimeInVehicle(activity);
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for(Vehicle v : vehicles) {
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for(Vehicle v : allVehicleTypes.values()) {
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int vehicleIndex = v.getVehicleTypeIdentifier().getIndex();
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Location prevActLocation = prevActLocations[vehicleIndex];
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double prevActEndTime = prevActEndTimes[v.getVehicleTypeIdentifier().getIndex()];
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@ -150,7 +165,7 @@ public class UpdateMaxTimeInVehicle implements StateUpdater, ActivityVisitor{
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@Override
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public void finish() {
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for(Vehicle v : vehicles) {
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for(Vehicle v : allVehicleTypes.values()) {
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int vehicleIndex = v.getVehicleTypeIdentifier().getIndex();
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//!!! open routes !!!
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@ -193,7 +208,7 @@ public class UpdateMaxTimeInVehicle implements StateUpdater, ActivityVisitor{
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}
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public void finish(List<TourActivity> activities, Job ignore) {
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for (Vehicle v : vehicles) {
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for (Vehicle v : allVehicleTypes.values()) {
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int vehicleIndex = v.getVehicleTypeIdentifier().getIndex();
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//!!! open routes !!!
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@ -242,7 +257,7 @@ public class UpdateMaxTimeInVehicle implements StateUpdater, ActivityVisitor{
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private double minSlackTime(Map<Job, Double> openDeliveries) {
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double min = Double.MAX_VALUE;
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for(Double value : openDeliveries.values()){
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if(value < min) min = value;
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if(value < min) min = value;
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}
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return min;
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}
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@ -26,10 +26,7 @@ import com.graphhopper.jsprit.core.problem.cost.VehicleRoutingActivityCosts;
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import com.graphhopper.jsprit.core.problem.job.Job;
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import com.graphhopper.jsprit.core.problem.job.Shipment;
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import com.graphhopper.jsprit.core.problem.misc.JobInsertionContext;
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import com.graphhopper.jsprit.core.problem.solution.route.activity.DeliveryActivity;
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import com.graphhopper.jsprit.core.problem.solution.route.activity.End;
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import com.graphhopper.jsprit.core.problem.solution.route.activity.PickupActivity;
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import com.graphhopper.jsprit.core.problem.solution.route.activity.TourActivity;
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import com.graphhopper.jsprit.core.problem.solution.route.activity.*;
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import java.util.Collections;
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import java.util.Map;
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@ -74,7 +71,10 @@ public class MaxTimeInVehicleConstraint implements HardActivityConstraint {
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double newActStart = Math.max(newActArrival, newAct.getTheoreticalEarliestOperationStartTime());
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double newActDeparture = newActStart + activityCosts.getActivityDuration(prevAct, newAct, newActArrival, iFacts.getNewDriver(), iFacts.getNewVehicle());
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double nextActArrival = newActDeparture + transportTime.getTransportTime(newAct.getLocation(),nextAct.getLocation(),newActDeparture,iFacts.getNewDriver(),iFacts.getNewVehicle());
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double nextActStart = Math.max(nextActArrival,nextAct.getTheoreticalEarliestOperationStartTime());
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double nextActStart = Math.max(nextActArrival, nextAct.getTheoreticalEarliestOperationStartTime());
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if (nextAct instanceof DeliverService && nextActStart - iFacts.getNewVehicle().getEarliestDeparture() > ((TourActivity.JobActivity)nextAct).getJob().getMaxTimeInVehicle()) {
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return ConstraintsStatus.NOT_FULFILLED;
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}
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if(newAct instanceof DeliveryActivity){
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double pickupEnd;
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if(iFacts.getAssociatedActivities().size() == 1){
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@ -107,10 +107,9 @@ public class MaxTimeInVehicleConstraint implements HardActivityConstraint {
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}
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double directArrTimeNextAct = prevActDepTime + transportTime.getTransportTime(prevAct.getLocation(), nextAct.getLocation(), prevActDepTime, iFacts.getNewDriver(), iFacts.getNewVehicle());
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double directNextActStart = Math.max(directArrTimeNextAct, nextAct.getTheoreticalEarliestOperationStartTime());
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double additionalTimeOfNewAct = (nextActStart - prevActDepTime) - (directNextActStart - prevActDepTime);
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double additionalTimeOfNewAct = nextActStart - directNextActStart;
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if (additionalTimeOfNewAct > minSlack) {
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if (newActIsPickup) return ConstraintsStatus.NOT_FULFILLED;
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else return ConstraintsStatus.NOT_FULFILLED;
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return ConstraintsStatus.NOT_FULFILLED;
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}
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if (newActIsDelivery) {
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Map<Job, Double> openJobsAtNext;
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@ -0,0 +1,516 @@
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/*
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* Licensed to GraphHopper GmbH under one or more contributor
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* license agreements. See the NOTICE file distributed with this work for
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* additional information regarding copyright ownership.
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*
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* GraphHopper GmbH licenses this file to you under the Apache License,
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* Version 2.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.graphhopper.jsprit.core.algorithm;
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import com.graphhopper.jsprit.core.algorithm.box.Jsprit;
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import com.graphhopper.jsprit.core.algorithm.state.StateId;
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import com.graphhopper.jsprit.core.algorithm.state.StateManager;
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import com.graphhopper.jsprit.core.algorithm.state.UpdateMaxTimeInVehicle;
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import com.graphhopper.jsprit.core.problem.Location;
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import com.graphhopper.jsprit.core.problem.VehicleRoutingProblem;
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import com.graphhopper.jsprit.core.problem.constraint.ConstraintManager;
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import com.graphhopper.jsprit.core.problem.constraint.MaxTimeInVehicleConstraint;
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import com.graphhopper.jsprit.core.problem.cost.VehicleRoutingTransportCosts;
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import com.graphhopper.jsprit.core.problem.driver.Driver;
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import com.graphhopper.jsprit.core.problem.job.Delivery;
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import com.graphhopper.jsprit.core.problem.job.Shipment;
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import com.graphhopper.jsprit.core.problem.solution.VehicleRoutingProblemSolution;
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import com.graphhopper.jsprit.core.problem.solution.route.VehicleRoute;
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import com.graphhopper.jsprit.core.problem.solution.route.activity.TimeWindow;
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import com.graphhopper.jsprit.core.problem.solution.route.activity.TourActivity;
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import com.graphhopper.jsprit.core.problem.vehicle.Vehicle;
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import com.graphhopper.jsprit.core.problem.vehicle.VehicleImpl;
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import com.graphhopper.jsprit.core.problem.vehicle.VehicleTypeImpl;
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import com.graphhopper.jsprit.core.reporting.SolutionPrinter;
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import com.graphhopper.jsprit.core.util.Solutions;
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import org.junit.Test;
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import java.util.Iterator;
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import java.util.Random;
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import java.util.UUID;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertFalse;
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import static org.junit.Assert.assertTrue;
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public class MaxTimeInVehicleTest {
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Random RANDOM = new Random();
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@Test
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public void testShipment(){
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Shipment s1 = Shipment.Builder.newInstance("s1").setPickupLocation(Location.newInstance(34.773586,32.079754)).setDeliveryLocation(Location.newInstance(34.781247,38.294571))
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.setDeliveryServiceTime(10)
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.setMaxTimeInVehicle(20)
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.build();
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VehicleImpl v1 = VehicleImpl.Builder.newInstance("v1").setStartLocation(Location.newInstance(34.771200,32.067646)).setEndLocation(Location.newInstance(34.768404,32.081525)).build();
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VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addVehicle(v1).addJob(s1).build();
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StateManager stateManager = new StateManager(vrp);
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StateId id = stateManager.createStateId("max-time");
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StateId openJobsId = stateManager.createStateId("open-jobs-id");
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stateManager.addStateUpdater(new UpdateMaxTimeInVehicle(stateManager, id, vrp.getVehicles(), vrp.getTransportCosts(), vrp.getActivityCosts(), openJobsId));
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ConstraintManager constraintManager = new ConstraintManager(vrp,stateManager);
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constraintManager.addConstraint(new MaxTimeInVehicleConstraint(vrp.getTransportCosts(), vrp.getActivityCosts(), id, stateManager, vrp, openJobsId), ConstraintManager.Priority.CRITICAL);
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VehicleRoutingAlgorithm vra = Jsprit.Builder.newInstance(vrp).setStateAndConstraintManager(stateManager,constraintManager).buildAlgorithm();
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VehicleRoutingProblemSolution solution = Solutions.bestOf(vra.searchSolutions());
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SolutionPrinter.print(vrp,solution, SolutionPrinter.Print.VERBOSE);
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assertEquals(0,solution.getUnassignedJobs().size());
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assertEquals(1,solution.getRoutes().size());
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}
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@Test
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public void testShipmentUnassigned(){
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Shipment s1 = Shipment.Builder.newInstance("s1").setPickupLocation(Location.newInstance(34.773586,32.079754)).setDeliveryLocation(Location.newInstance(34.781247,38.294571))
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.setDeliveryServiceTime(10)
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.setMaxTimeInVehicle(4)
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.build();
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VehicleImpl v1 = VehicleImpl.Builder.newInstance("v1").setStartLocation(Location.newInstance(34.771200,32.067646)).setEndLocation(Location.newInstance(34.768404,32.081525)).build();
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VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addVehicle(v1).addJob(s1).build();
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StateManager stateManager = new StateManager(vrp);
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StateId id = stateManager.createStateId("max-time");
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StateId openJobsId = stateManager.createStateId("open-jobs-id");
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stateManager.addStateUpdater(new UpdateMaxTimeInVehicle(stateManager, id, vrp.getVehicles(), vrp.getTransportCosts(), vrp.getActivityCosts(), openJobsId));
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ConstraintManager constraintManager = new ConstraintManager(vrp,stateManager);
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constraintManager.addConstraint(new MaxTimeInVehicleConstraint(vrp.getTransportCosts(), vrp.getActivityCosts(), id, stateManager, vrp, openJobsId), ConstraintManager.Priority.CRITICAL);
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VehicleRoutingAlgorithm vra = Jsprit.Builder.newInstance(vrp).setStateAndConstraintManager(stateManager,constraintManager).buildAlgorithm();
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VehicleRoutingProblemSolution solution = Solutions.bestOf(vra.searchSolutions());
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SolutionPrinter.print(vrp,solution, SolutionPrinter.Print.VERBOSE);
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assertEquals(1,solution.getUnassignedJobs().size());
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assertEquals(0,solution.getRoutes().size());
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}
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@Test
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public void testDelivery(){
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Delivery d2 = Delivery.Builder.newInstance("d2")
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.setMaxTimeInVehicle(10)
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.setLocation(Location.newInstance(10, 5)).setServiceTime(2).build();
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VehicleImpl v1 = VehicleImpl.Builder.newInstance("v1").setStartLocation(Location.newInstance(2,3)).setEndLocation(Location.newInstance(0,0)).build();
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VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addVehicle(v1).addJob(d2).build();
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StateManager stateManager = new StateManager(vrp);
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StateId id = stateManager.createStateId("max-time");
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StateId openJobsId = stateManager.createStateId("open-jobs-id");
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stateManager.addStateUpdater(new UpdateMaxTimeInVehicle(stateManager, id, vrp.getVehicles(), vrp.getTransportCosts(), vrp.getActivityCosts(), openJobsId));
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ConstraintManager constraintManager = new ConstraintManager(vrp,stateManager);
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constraintManager.addConstraint(new MaxTimeInVehicleConstraint(vrp.getTransportCosts(), vrp.getActivityCosts(), id, stateManager, vrp, openJobsId), ConstraintManager.Priority.CRITICAL);
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VehicleRoutingAlgorithm vra = Jsprit.Builder.newInstance(vrp).setStateAndConstraintManager(stateManager,constraintManager).buildAlgorithm();
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VehicleRoutingProblemSolution solution = Solutions.bestOf(vra.searchSolutions());
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SolutionPrinter.print(vrp,solution, SolutionPrinter.Print.VERBOSE);
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assertEquals(0,solution.getUnassignedJobs().size());
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assertEquals(1,solution.getRoutes().size());
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}
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@Test
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public void testDeliveryUnassigned(){
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Delivery d2 = Delivery.Builder.newInstance("d2")
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.setMaxTimeInVehicle(4)
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.setLocation(Location.newInstance(10, 5)).setServiceTime(2).build();
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VehicleImpl v1 = VehicleImpl.Builder.newInstance("v1").setStartLocation(Location.newInstance(2,3)).setEndLocation(Location.newInstance(0,0)).build();
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VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addVehicle(v1).addJob(d2).build();
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StateManager stateManager = new StateManager(vrp);
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StateId id = stateManager.createStateId("max-time");
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StateId openJobsId = stateManager.createStateId("open-jobs-id");
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stateManager.addStateUpdater(new UpdateMaxTimeInVehicle(stateManager, id, vrp.getVehicles(), vrp.getTransportCosts(), vrp.getActivityCosts(), openJobsId));
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ConstraintManager constraintManager = new ConstraintManager(vrp,stateManager);
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constraintManager.addConstraint(new MaxTimeInVehicleConstraint(vrp.getTransportCosts(), vrp.getActivityCosts(), id, stateManager, vrp, openJobsId), ConstraintManager.Priority.CRITICAL);
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VehicleRoutingAlgorithm vra = Jsprit.Builder.newInstance(vrp).setStateAndConstraintManager(stateManager,constraintManager).buildAlgorithm();
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VehicleRoutingProblemSolution solution = Solutions.bestOf(vra.searchSolutions());
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SolutionPrinter.print(vrp,solution, SolutionPrinter.Print.VERBOSE);
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assertEquals(1,solution.getUnassignedJobs().size());
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assertEquals(0,solution.getRoutes().size());
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}
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@Test
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public void testPickUpDropOffTwoDriversSameLocation(){
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Shipment s1 = Shipment.Builder.newInstance("s1").setPickupLocation(Location.newInstance(34.773586,32.079754))
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.setDeliveryLocation(Location.newInstance(34.781247,38.294571))
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.setDeliveryServiceTime(10)
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.setMaxTimeInVehicle(10)
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.build();
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VehicleImpl v1 = VehicleImpl.Builder.newInstance("v1")
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.setStartLocation(Location.newInstance(34.771200,32.067646))
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.setEndLocation(Location.newInstance(34.768404,32.081525)).build();
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VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2")
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.setStartLocation(Location.newInstance(34.771200,32.067646))
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.setEndLocation(Location.newInstance(34.768404,32.081525)).build();
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VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addVehicle(v1).addVehicle(v2).addJob(s1).build();
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StateManager stateManager = new StateManager(vrp);
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StateId id = stateManager.createStateId("max-time");
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StateId openJobsId = stateManager.createStateId("open-jobs-id");
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stateManager.addStateUpdater(new UpdateMaxTimeInVehicle(stateManager, id, vrp.getVehicles(), vrp.getTransportCosts(), vrp.getActivityCosts(), openJobsId));
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ConstraintManager constraintManager = new ConstraintManager(vrp,stateManager);
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constraintManager.addConstraint(new MaxTimeInVehicleConstraint(vrp.getTransportCosts(), vrp.getActivityCosts(), id, stateManager, vrp, openJobsId), ConstraintManager.Priority.CRITICAL);
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VehicleRoutingAlgorithm vra = Jsprit.Builder.newInstance(vrp).setStateAndConstraintManager(stateManager,constraintManager).buildAlgorithm();
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VehicleRoutingProblemSolution solution = Solutions.bestOf(vra.searchSolutions());
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SolutionPrinter.print(vrp,solution, SolutionPrinter.Print.VERBOSE);
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assertEquals(0,solution.getUnassignedJobs().size());
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}
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@Test
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public void testPickUpDropOffTwoDriversDiffrentLocation(){
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Shipment s1 = Shipment.Builder.newInstance("s1").setPickupLocation(Location.newInstance(34.773586,32.079754))
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.setDeliveryLocation(Location.newInstance(34.781247,38.294571))
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.setDeliveryServiceTime(10)
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.setMaxTimeInVehicle(10)
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.build();
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VehicleImpl v1 = VehicleImpl.Builder.newInstance("v1")
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.setStartLocation(Location.newInstance(34.771200,32.067646))
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.setEndLocation(Location.newInstance(34.768404,32.081525)).build();
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VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2")
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.setStartLocation(Location.newInstance(34.771200,32.067646))
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.setEndLocation(Location.newInstance(34.5555,32.081324)).build();
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VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addVehicle(v1).addVehicle(v2).addJob(s1).build();
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StateManager stateManager = new StateManager(vrp);
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StateId id = stateManager.createStateId("max-time");
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StateId openJobsId = stateManager.createStateId("open-jobs-id");
|
||||
stateManager.addStateUpdater(new UpdateMaxTimeInVehicle(stateManager, id, vrp.getVehicles(), vrp.getTransportCosts(), vrp.getActivityCosts(), openJobsId));
|
||||
|
||||
ConstraintManager constraintManager = new ConstraintManager(vrp,stateManager);
|
||||
constraintManager.addConstraint(new MaxTimeInVehicleConstraint(vrp.getTransportCosts(), vrp.getActivityCosts(), id, stateManager, vrp, openJobsId), ConstraintManager.Priority.CRITICAL);
|
||||
|
||||
VehicleRoutingAlgorithm vra = Jsprit.Builder.newInstance(vrp).setStateAndConstraintManager(stateManager,constraintManager).buildAlgorithm();
|
||||
VehicleRoutingProblemSolution solution = Solutions.bestOf(vra.searchSolutions());
|
||||
SolutionPrinter.print(vrp,solution, SolutionPrinter.Print.VERBOSE);
|
||||
|
||||
assertEquals(0,solution.getUnassignedJobs().size());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testRouteTwoDriversDiffrentLocationOneRoute(){
|
||||
Shipment s1 = Shipment.Builder.newInstance("s1").setPickupLocation(Location.newInstance(8,0))
|
||||
.setDeliveryLocation(Location.newInstance(10,0))
|
||||
.setDeliveryServiceTime(2)
|
||||
.setMaxTimeInVehicle(10)
|
||||
.build();
|
||||
|
||||
Delivery d2 = Delivery.Builder.newInstance("d2")
|
||||
.setMaxTimeInVehicle(14)
|
||||
.setLocation(Location.newInstance(10, 5)).setServiceTime(2).build();
|
||||
|
||||
VehicleImpl v1 = VehicleImpl.Builder.newInstance("v1")
|
||||
.setStartLocation(Location.newInstance(8,5)).setReturnToDepot(true).build();
|
||||
|
||||
VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2")
|
||||
.setStartLocation(Location.newInstance(5,0)).setReturnToDepot(true).build();
|
||||
|
||||
VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance()
|
||||
.addVehicle(v1)
|
||||
.addVehicle(v2)
|
||||
.addJob(s1)
|
||||
.addJob(d2)
|
||||
.build();
|
||||
|
||||
StateManager stateManager = new StateManager(vrp);
|
||||
StateId id = stateManager.createStateId("max-time");
|
||||
StateId openJobsId = stateManager.createStateId("open-jobs-id");
|
||||
stateManager.addStateUpdater(new UpdateMaxTimeInVehicle(stateManager, id, vrp.getVehicles(), vrp.getTransportCosts(), vrp.getActivityCosts(), openJobsId));
|
||||
|
||||
ConstraintManager constraintManager = new ConstraintManager(vrp,stateManager);
|
||||
constraintManager.addConstraint(new MaxTimeInVehicleConstraint(vrp.getTransportCosts(), vrp.getActivityCosts(), id, stateManager, vrp, openJobsId), ConstraintManager.Priority.CRITICAL);
|
||||
|
||||
VehicleRoutingAlgorithm vra = Jsprit.Builder.newInstance(vrp).setStateAndConstraintManager(stateManager,constraintManager).buildAlgorithm();
|
||||
VehicleRoutingProblemSolution solution = Solutions.bestOf(vra.searchSolutions());
|
||||
SolutionPrinter.print(vrp,solution, SolutionPrinter.Print.VERBOSE);
|
||||
assertEquals(1,solution.getRoutes().size());
|
||||
assertEquals(0,solution.getUnassignedJobs().size());
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
@Test
|
||||
public void testRouteTwoDriversTwoRouts(){
|
||||
Shipment s1 = Shipment.Builder.newInstance("s1").setPickupLocation(Location.newInstance(8,0))
|
||||
.setDeliveryLocation(Location.newInstance(10,0))
|
||||
.setDeliveryServiceTime(9)
|
||||
.setMaxTimeInVehicle(10)
|
||||
.build();
|
||||
|
||||
Delivery d2 = Delivery.Builder.newInstance("d2")
|
||||
.setMaxTimeInVehicle(3)
|
||||
.setLocation(Location.newInstance(10, 5)).setServiceTime(10).build();
|
||||
|
||||
VehicleImpl v1 = VehicleImpl.Builder.newInstance("v1")
|
||||
.setStartLocation(Location.newInstance(8,5)).setReturnToDepot(true).build();
|
||||
|
||||
VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2")
|
||||
.setStartLocation(Location.newInstance(5,0)).setReturnToDepot(true).build();
|
||||
|
||||
VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance()
|
||||
.addVehicle(v1)
|
||||
.addVehicle(v2)
|
||||
.addJob(s1)
|
||||
.addJob(d2)
|
||||
.build();
|
||||
|
||||
StateManager stateManager = new StateManager(vrp);
|
||||
StateId id = stateManager.createStateId("max-time");
|
||||
StateId openJobsId = stateManager.createStateId("open-jobs-id");
|
||||
stateManager.addStateUpdater(new UpdateMaxTimeInVehicle(stateManager, id, vrp.getVehicles(), vrp.getTransportCosts(), vrp.getActivityCosts(), openJobsId));
|
||||
|
||||
ConstraintManager constraintManager = new ConstraintManager(vrp,stateManager);
|
||||
constraintManager.addConstraint(new MaxTimeInVehicleConstraint(vrp.getTransportCosts(), vrp.getActivityCosts(), id, stateManager, vrp, openJobsId), ConstraintManager.Priority.CRITICAL);
|
||||
|
||||
VehicleRoutingAlgorithm vra = Jsprit.Builder.newInstance(vrp).setStateAndConstraintManager(stateManager,constraintManager).buildAlgorithm();
|
||||
VehicleRoutingProblemSolution solution = Solutions.bestOf(vra.searchSolutions());
|
||||
SolutionPrinter.print(vrp,solution, SolutionPrinter.Print.VERBOSE);
|
||||
assertEquals(2,solution.getRoutes().size());
|
||||
assertEquals(0,solution.getUnassignedJobs().size());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testRouteTwoDriversTwoRouts_NotAllAssigned() {
|
||||
int numJobs = Math.abs(RANDOM.nextInt(100)) + 10,
|
||||
start = Math.abs(RANDOM.nextInt(100)),
|
||||
maxTimeInVehicle = 50 + Math.abs(RANDOM.nextInt(50)),
|
||||
serviceTime = Math.abs(RANDOM.nextInt(10)) + 5,
|
||||
end = start + numJobs * maxTimeInVehicle + numJobs * serviceTime + Math.abs(RANDOM.nextInt(200));
|
||||
|
||||
final VehicleRoutingProblem.Builder builder = VehicleRoutingProblem.Builder.newInstance();
|
||||
for (int i = 0; i < 5; ++i) {
|
||||
builder.addVehicle(VehicleImpl.Builder.newInstance(UUID.randomUUID().toString())
|
||||
.setStartLocation(Location.newInstance(8, 5)).setReturnToDepot(true)
|
||||
.setEarliestStart(start).setLatestArrival(end)
|
||||
.setType(VehicleTypeImpl.Builder.newInstance(UUID.randomUUID().toString()).addCapacityDimension(0, numJobs).setCostPerDistance(1).setFixedCost(100).build())
|
||||
.build());
|
||||
}
|
||||
|
||||
for (int i = 0; i < numJobs; ++i) {
|
||||
builder.addJob(Delivery.Builder.newInstance("d" + i)
|
||||
.setMaxTimeInVehicle(maxTimeInVehicle)
|
||||
.addTimeWindow(TimeWindow.newInstance(start, end))
|
||||
.addSizeDimension(0, 1)
|
||||
.setLocation(Location.newInstance(RANDOM.nextDouble(), RANDOM.nextDouble())).setServiceTime(serviceTime).build());
|
||||
}
|
||||
|
||||
VehicleRoutingProblemSolution solution = getVehicleRoutingProblemSolution(builder, true, 4);
|
||||
|
||||
assertFalse(solution.getRoutes().isEmpty());
|
||||
final Iterator<VehicleRoute> iterator = solution.getRoutes().iterator();
|
||||
while (iterator.hasNext()) {
|
||||
final VehicleRoute route = iterator.next();
|
||||
final TourActivity lastActivity = route.getActivities().get(route.getActivities().size() - 1);
|
||||
assertTrue(lastActivity.getArrTime() - route.getStart().getEndTime() <= maxTimeInVehicle);
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testRouteTwoDriversTwoRoutsAllAssignedToCheapestDrivers() {
|
||||
int numJobs = 100,
|
||||
start = 0,
|
||||
maxTimeInVehicle = 50,
|
||||
serviceTime = 4,
|
||||
end = 360;
|
||||
|
||||
//in route 50/(4+1)=10 tasks
|
||||
|
||||
final VehicleRoutingProblem.Builder builder = VehicleRoutingProblem.Builder.newInstance();
|
||||
final VehicleTypeImpl cheap = VehicleTypeImpl.Builder.newInstance(UUID.randomUUID().toString()).addCapacityDimension(0, numJobs).setCostPerDistance(1).setFixedCost(10).build();
|
||||
for (int i = 0; i < 10; ++i) {
|
||||
builder.addVehicle(VehicleImpl.Builder.newInstance(UUID.randomUUID().toString())
|
||||
.setStartLocation(Location.newInstance(8, 5)).setReturnToDepot(true)
|
||||
.setEarliestStart(start).setLatestArrival(end)
|
||||
.setType(cheap)
|
||||
.build());
|
||||
}
|
||||
|
||||
|
||||
final VehicleTypeImpl expensive = VehicleTypeImpl.Builder.newInstance(UUID.randomUUID().toString()).addCapacityDimension(0, numJobs).setCostPerDistance(1).setFixedCost(100).build();
|
||||
for (int i = 0; i < 10; ++i) {
|
||||
builder.addVehicle(VehicleImpl.Builder.newInstance(UUID.randomUUID().toString())
|
||||
.setStartLocation(Location.newInstance(8, 5)).setReturnToDepot(true)
|
||||
.setEarliestStart(start).setLatestArrival(end)
|
||||
.setType(expensive)
|
||||
.build());
|
||||
}
|
||||
|
||||
for (int i = 0; i < numJobs; ++i) {
|
||||
builder.addJob(Delivery.Builder.newInstance("d" + i)
|
||||
.setMaxTimeInVehicle(maxTimeInVehicle)
|
||||
.addTimeWindow(TimeWindow.newInstance(start, end))
|
||||
.addSizeDimension(0, 1)
|
||||
.setLocation(Location.newInstance(RANDOM.nextDouble(), RANDOM.nextDouble())).setServiceTime(serviceTime).build());
|
||||
}
|
||||
|
||||
VehicleRoutingProblemSolution solution = getVehicleRoutingProblemSolution(builder, true, 4);
|
||||
|
||||
final Iterator<VehicleRoute> iterator = solution.getRoutes().iterator();
|
||||
while (iterator.hasNext()) {
|
||||
final VehicleRoute route = iterator.next();
|
||||
final TourActivity lastActivity = route.getActivities().get(route.getActivities().size() - 1);
|
||||
assertTrue(lastActivity.getArrTime() - route.getStart().getEndTime() <= maxTimeInVehicle);
|
||||
assertEquals(route.getVehicle().getType(), cheap);
|
||||
}
|
||||
|
||||
assertTrue(solution.getUnassignedJobs().isEmpty());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testLowMaxTimeCauseTwoRoutes(){
|
||||
Shipment s1 = Shipment.Builder.newInstance("s1").setPickupLocation(Location.newInstance(8,0))
|
||||
.setDeliveryLocation(Location.newInstance(10,0))
|
||||
.setDeliveryServiceTime(2)
|
||||
.setMaxTimeInVehicle(10)
|
||||
.build();
|
||||
|
||||
Delivery d2 = Delivery.Builder.newInstance("d2")
|
||||
.setMaxTimeInVehicle(13)
|
||||
.setLocation(Location.newInstance(10, 5)).setServiceTime(2).build();
|
||||
|
||||
VehicleImpl v1 = VehicleImpl.Builder.newInstance("v1")
|
||||
.setStartLocation(Location.newInstance(8,5)).setReturnToDepot(true).build();
|
||||
|
||||
VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2")
|
||||
.setStartLocation(Location.newInstance(5,0)).setReturnToDepot(true).build();
|
||||
|
||||
|
||||
final VehicleRoutingProblemSolution solution = getVehicleRoutingProblemSolution(VehicleRoutingProblem.Builder.newInstance()
|
||||
.addVehicle(v1)
|
||||
.addVehicle(v2)
|
||||
.addJob(s1)
|
||||
.addJob(d2), false, 4);
|
||||
assertEquals(2, solution.getRoutes().size());
|
||||
assertEquals(0, solution.getUnassignedJobs().size());
|
||||
|
||||
}
|
||||
|
||||
private VehicleRoutingProblemSolution getVehicleRoutingProblemSolution(VehicleRoutingProblem.Builder builder, boolean routeCost, int numThreads) {
|
||||
if (routeCost) {
|
||||
builder.setRoutingCost(new VehicleRoutingTransportCosts() {
|
||||
@Override
|
||||
public double getBackwardTransportCost(Location location, Location location1, double v, Driver driver, Vehicle vehicle) {
|
||||
return 1;
|
||||
}
|
||||
|
||||
@Override
|
||||
public double getBackwardTransportTime(Location location, Location location1, double v, Driver driver, Vehicle vehicle) {
|
||||
return 1;
|
||||
}
|
||||
|
||||
@Override
|
||||
public double getTransportCost(Location location, Location location1, double v, Driver driver, Vehicle vehicle) {
|
||||
return 1;
|
||||
}
|
||||
|
||||
@Override
|
||||
public double getTransportTime(Location location, Location location1, double v, Driver driver, Vehicle vehicle) {
|
||||
return 1;
|
||||
}
|
||||
|
||||
@Override
|
||||
public double getDistance(Location location, Location location1, double v, Vehicle vehicle) {
|
||||
return 1;
|
||||
}
|
||||
});
|
||||
}
|
||||
VehicleRoutingProblem vrp = builder
|
||||
.setFleetSize(VehicleRoutingProblem.FleetSize.FINITE)
|
||||
.build();
|
||||
|
||||
StateManager stateManager = new StateManager(vrp);
|
||||
StateId id = stateManager.createStateId("max-time");
|
||||
StateId openJobsId = stateManager.createStateId("open-jobs-id");
|
||||
stateManager.addStateUpdater(new UpdateMaxTimeInVehicle(stateManager, id, vrp.getVehicles(), vrp.getTransportCosts(), vrp.getActivityCosts(), openJobsId));
|
||||
|
||||
ConstraintManager constraintManager = new ConstraintManager(vrp,stateManager);
|
||||
constraintManager.addConstraint(new MaxTimeInVehicleConstraint(vrp.getTransportCosts(), vrp.getActivityCosts(), id, stateManager, vrp, openJobsId), ConstraintManager.Priority.CRITICAL);
|
||||
|
||||
VehicleRoutingAlgorithm vra = Jsprit.Builder.newInstance(vrp).setStateAndConstraintManager(stateManager,constraintManager).setProperty(Jsprit.Parameter.THREADS, String.valueOf(numThreads)).buildAlgorithm();
|
||||
vra.setMaxIterations(100);
|
||||
VehicleRoutingProblemSolution solution = Solutions.bestOf(vra.searchSolutions());
|
||||
SolutionPrinter.print(vrp,solution, SolutionPrinter.Print.VERBOSE);
|
||||
return solution;
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testRoute(){
|
||||
Shipment s1 = Shipment.Builder.newInstance("s1").setPickupLocation(Location.newInstance(5,0))
|
||||
.setDeliveryLocation(Location.newInstance(10,0))
|
||||
.setMaxTimeInVehicle(5)
|
||||
.build();
|
||||
|
||||
Shipment s2 = Shipment.Builder.newInstance("s2").setPickupLocation(Location.newInstance(6,5))
|
||||
.setDeliveryLocation(Location.newInstance(12,0))
|
||||
.setMaxTimeInVehicle(10)
|
||||
.build();
|
||||
|
||||
Shipment s3 = Shipment.Builder.newInstance("s3").setPickupLocation(Location.newInstance(3,2))
|
||||
.setDeliveryLocation(Location.newInstance(3,5))
|
||||
.setMaxTimeInVehicle(10)
|
||||
.build();
|
||||
|
||||
|
||||
VehicleImpl v1 = VehicleImpl.Builder.newInstance("v1")
|
||||
.setStartLocation(Location.newInstance(0,0)).setReturnToDepot(true).build();
|
||||
|
||||
VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance()
|
||||
.addVehicle(v1)
|
||||
.addJob(s1)
|
||||
.addJob(s2)
|
||||
.addJob(s3)
|
||||
.build();
|
||||
|
||||
StateManager stateManager = new StateManager(vrp);
|
||||
StateId id = stateManager.createStateId("max-time");
|
||||
StateId openJobsId = stateManager.createStateId("open-jobs-id");
|
||||
stateManager.addStateUpdater(new UpdateMaxTimeInVehicle(stateManager, id, vrp.getVehicles(), vrp.getTransportCosts(), vrp.getActivityCosts(), openJobsId));
|
||||
|
||||
ConstraintManager constraintManager = new ConstraintManager(vrp,stateManager);
|
||||
constraintManager.addConstraint(new MaxTimeInVehicleConstraint(vrp.getTransportCosts(), vrp.getActivityCosts(), id, stateManager, vrp, openJobsId), ConstraintManager.Priority.CRITICAL);
|
||||
|
||||
VehicleRoutingAlgorithm vra = Jsprit.Builder.newInstance(vrp).setStateAndConstraintManager(stateManager,constraintManager).buildAlgorithm();
|
||||
VehicleRoutingProblemSolution solution = Solutions.bestOf(vra.searchSolutions());
|
||||
SolutionPrinter.print(vrp,solution, SolutionPrinter.Print.VERBOSE);
|
||||
|
||||
assertEquals(1,solution.getRoutes().size());
|
||||
assertEquals(0,solution.getUnassignedJobs().size());
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue