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Code Issues Releases Wiki Activity

improved and tested route level insertion

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oblonski 2014-07-02 12:48:25 +02:00
parent b3a186cc62
commit 5dae3ee528
7 changed files with 396 additions and 83 deletions
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158
jsprit-core/src/test/java/jsprit/core/algorithm/recreate/TestRouteLevelActivityInsertionCostEstimator.java Normal file
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package jsprit.core.algorithm.recreate;
import jsprit.core.algorithm.state.StateManager;
import jsprit.core.algorithm.state.UpdateVariableCosts;
import jsprit.core.problem.cost.VehicleRoutingActivityCosts;
import jsprit.core.problem.cost.VehicleRoutingTransportCosts;
import jsprit.core.problem.driver.Driver;
import jsprit.core.problem.job.Job;
import jsprit.core.problem.job.Service;
import jsprit.core.problem.misc.JobInsertionContext;
import jsprit.core.problem.solution.route.VehicleRoute;
import jsprit.core.problem.solution.route.activity.PickupActivity;
import jsprit.core.problem.solution.route.activity.PickupService;
import jsprit.core.problem.solution.route.activity.TimeWindow;
import jsprit.core.problem.solution.route.activity.TourActivity;
import jsprit.core.problem.vehicle.Vehicle;
import jsprit.core.problem.vehicle.VehicleImpl;
import jsprit.core.problem.vehicle.VehicleType;
import jsprit.core.problem.vehicle.VehicleTypeImpl;
import jsprit.core.util.CostFactory;
import org.junit.Before;
import org.junit.Test;
import java.util.Arrays;
import java.util.Collections;
import static org.junit.Assert.assertEquals;
/**
* Created by schroeder on 02.07.14.
*/
public class TestRouteLevelActivityInsertionCostEstimator {
private VehicleRoute route;
private VehicleRoutingTransportCosts routingCosts;
private VehicleRoutingActivityCosts activityCosts;
private StateManager stateManager;
@Before
public void doBefore(){
routingCosts = CostFactory.createEuclideanCosts();
activityCosts = new VehicleRoutingActivityCosts() {
@Override
public double getActivityCost(TourActivity tourAct, double arrivalTime, Driver driver, Vehicle vehicle) {
return Math.max(0.,arrivalTime - tourAct.getTheoreticalLatestOperationStartTime());
}
};
Service s1 = Service.Builder.newInstance("s1").setLocationId("10,0").setTimeWindow(TimeWindow.newInstance(10.,10.)).build();
Service s2 = Service.Builder.newInstance("s2").setLocationId("20,0").setTimeWindow(TimeWindow.newInstance(20.,20.)).build();
Service s3 = Service.Builder.newInstance("s3").setLocationId("30,0").setTimeWindow(TimeWindow.newInstance(30.,30.)).build();
VehicleType type = VehicleTypeImpl.Builder.newInstance("type").build();
Vehicle vehicle = VehicleImpl.Builder.newInstance("vehicle").setStartLocationId("0,0").setType(type).build();
route = VehicleRoute.Builder.newInstance(vehicle).addService(s1).addService(s2).addService(s3).build();
stateManager = new StateManager(routingCosts);
stateManager.addStateUpdater(new UpdateVariableCosts(activityCosts,routingCosts,stateManager));
stateManager.informInsertionStarts(Arrays.asList(route), Collections.<Job>emptyList());
}
@Test
public void whenNewActInBetweenFirstAndSecond_and_forwardLookingIs0_itShouldReturnCorrectCosts(){
Service s4 = Service.Builder.newInstance("s4").setLocationId("5,0").build();
PickupActivity pickupService = new PickupService(s4);
JobInsertionContext context = new JobInsertionContext(route,s4,route.getVehicle(),route.getDriver(),0.);
RouteLevelActivityInsertionCostsEstimator estimator = new RouteLevelActivityInsertionCostsEstimator(routingCosts,activityCosts,stateManager);
estimator.setForwardLooking(0);
ActivityInsertionCostsCalculator.ActivityInsertionCosts iCosts = estimator.getCosts(context, route.getStart(), route.getActivities().get(0), pickupService, 0.);
assertEquals(0.,iCosts.getAdditionalCosts(),0.01);
}
@Test
public void whenNewActWithTWInBetweenFirstAndSecond_and_forwardLookingIs0_itShouldReturnCorrectCosts(){
Service s4 = Service.Builder.newInstance("s4").setLocationId("5,0").setTimeWindow(TimeWindow.newInstance(5.,5.)).build();
PickupActivity pickupService = new PickupService(s4);
JobInsertionContext context = new JobInsertionContext(route,s4,route.getVehicle(),route.getDriver(),0.);
RouteLevelActivityInsertionCostsEstimator estimator = new RouteLevelActivityInsertionCostsEstimator(routingCosts,activityCosts,stateManager);
estimator.setForwardLooking(0);
ActivityInsertionCostsCalculator.ActivityInsertionCosts iCosts = estimator.getCosts(context, route.getStart(), route.getActivities().get(0), pickupService, 0.);
assertEquals(0.,iCosts.getAdditionalCosts(),0.01);
}
@Test
public void whenNewActWithTWAndServiceTimeInBetweenFirstAndSecond_and_forwardLookingIs0_itShouldReturnCorrectCosts(){
Service s4 = Service.Builder.newInstance("s4").setLocationId("5,0").setServiceTime(10.).setTimeWindow(TimeWindow.newInstance(5.,5.)).build();
PickupActivity pickupService = new PickupService(s4);
JobInsertionContext context = new JobInsertionContext(route,s4,route.getVehicle(),route.getDriver(),0.);
RouteLevelActivityInsertionCostsEstimator estimator = new RouteLevelActivityInsertionCostsEstimator(routingCosts,activityCosts,stateManager);
estimator.setForwardLooking(0);
ActivityInsertionCostsCalculator.ActivityInsertionCosts iCosts = estimator.getCosts(context, route.getStart(), route.getActivities().get(0), pickupService, 0.);
double expectedTransportCosts = 0.;
double expectedActivityCosts = 10.;
assertEquals(expectedActivityCosts+expectedTransportCosts,iCosts.getAdditionalCosts(),0.01);
}
@Test
public void whenNewActWithTWAndServiceTimeInBetweenFirstAndSecond_and_forwardLookingIs3_itShouldReturnCorrectCosts(){
Service s4 = Service.Builder.newInstance("s4").setLocationId("5,0").setServiceTime(10.).setTimeWindow(TimeWindow.newInstance(5.,5.)).build();
PickupActivity pickupService = new PickupService(s4);
JobInsertionContext context = new JobInsertionContext(route,s4,route.getVehicle(),route.getDriver(),0.);
RouteLevelActivityInsertionCostsEstimator estimator = new RouteLevelActivityInsertionCostsEstimator(routingCosts,activityCosts,stateManager);
estimator.setForwardLooking(3);
ActivityInsertionCostsCalculator.ActivityInsertionCosts iCosts = estimator.getCosts(context, route.getStart(), route.getActivities().get(0), pickupService, 0.);
double expectedTransportCosts = 0.;
double expectedActivityCosts = 30.;
assertEquals(expectedActivityCosts+expectedTransportCosts,iCosts.getAdditionalCosts(),0.01);
}
@Test
public void whenNewActInBetweenSecondAndThird_and_forwardLookingIs0_itShouldReturnCorrectCosts(){
Service s4 = Service.Builder.newInstance("s4").setLocationId("5,0").build();
PickupActivity pickupService = new PickupService(s4);
JobInsertionContext context = new JobInsertionContext(route,s4,route.getVehicle(),route.getDriver(),0.);
RouteLevelActivityInsertionCostsEstimator estimator = new RouteLevelActivityInsertionCostsEstimator(routingCosts,activityCosts,stateManager);
estimator.setForwardLooking(0);
ActivityInsertionCostsCalculator.ActivityInsertionCosts iCosts =
estimator.getCosts(context, route.getActivities().get(0), route.getActivities().get(1), pickupService, 10.);
double expectedTransportCosts = 10.;
double expectedActivityCosts = 10.;
assertEquals(expectedTransportCosts+expectedActivityCosts,iCosts.getAdditionalCosts(),0.01);
}
@Test
public void whenNewActInBetweenSecondAndThird_and_forwardLookingIs3_itShouldReturnCorrectCosts(){
Service s4 = Service.Builder.newInstance("s4").setLocationId("5,0").build();
PickupActivity pickupService = new PickupService(s4);
JobInsertionContext context = new JobInsertionContext(route,s4,route.getVehicle(),route.getDriver(),0.);
RouteLevelActivityInsertionCostsEstimator estimator = new RouteLevelActivityInsertionCostsEstimator(routingCosts,activityCosts,stateManager);
estimator.setForwardLooking(3);
ActivityInsertionCostsCalculator.ActivityInsertionCosts iCosts =
estimator.getCosts(context, route.getActivities().get(0), route.getActivities().get(1), pickupService, 10.);
double expectedTransportCosts = 10.;
double expectedActivityCosts = 10.+10.;
assertEquals(expectedTransportCosts+expectedActivityCosts,iCosts.getAdditionalCosts(),0.01);
}
@Test
public void whenNewActWithTWInBetweenSecondAndThird_and_forwardLookingIs3_itShouldReturnCorrectCosts(){
Service s4 = Service.Builder.newInstance("s4").setLocationId("5,0").setTimeWindow(TimeWindow.newInstance(5.,5.)).build();
PickupActivity pickupService = new PickupService(s4);
JobInsertionContext context = new JobInsertionContext(route,s4,route.getVehicle(),route.getDriver(),0.);
RouteLevelActivityInsertionCostsEstimator estimator = new RouteLevelActivityInsertionCostsEstimator(routingCosts,activityCosts,stateManager);
estimator.setForwardLooking(3);
ActivityInsertionCostsCalculator.ActivityInsertionCosts iCosts =
estimator.getCosts(context, route.getActivities().get(0), route.getActivities().get(1), pickupService, 10.);
double expectedTransportCosts = 10.;
double expectedActivityCosts = 10.+10.+10.;
assertEquals(expectedTransportCosts+expectedActivityCosts,iCosts.getAdditionalCosts(),0.01);
}
}

155
jsprit-core/src/test/java/jsprit/core/algorithm/recreate/TestRouteLevelServiceInsertionCostEstimator.java Normal file
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package jsprit.core.algorithm.recreate;
import jsprit.core.algorithm.state.StateManager;
import jsprit.core.algorithm.state.UpdateVariableCosts;
import jsprit.core.problem.VehicleRoutingProblem;
import jsprit.core.problem.constraint.ConstraintManager;
import jsprit.core.problem.cost.VehicleRoutingActivityCosts;
import jsprit.core.problem.cost.VehicleRoutingTransportCosts;
import jsprit.core.problem.driver.Driver;
import jsprit.core.problem.job.Job;
import jsprit.core.problem.job.Service;
import jsprit.core.problem.misc.JobInsertionContext;
import jsprit.core.problem.solution.route.VehicleRoute;
import jsprit.core.problem.solution.route.activity.PickupActivity;
import jsprit.core.problem.solution.route.activity.PickupService;
import jsprit.core.problem.solution.route.activity.TimeWindow;
import jsprit.core.problem.solution.route.activity.TourActivity;
import jsprit.core.problem.vehicle.Vehicle;
import jsprit.core.problem.vehicle.VehicleImpl;
import jsprit.core.problem.vehicle.VehicleType;
import jsprit.core.problem.vehicle.VehicleTypeImpl;
import jsprit.core.util.CostFactory;
import org.junit.Before;
import org.junit.Test;
import java.util.Arrays;
import java.util.Collections;
import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
/**
* Created by schroeder on 02.07.14.
*/
public class TestRouteLevelServiceInsertionCostEstimator {
private VehicleRoute route;
private VehicleRoutingTransportCosts routingCosts;
private VehicleRoutingActivityCosts activityCosts;
private StateManager stateManager;
private ConstraintManager constraintManager;
@Before
public void doBefore(){
routingCosts = CostFactory.createEuclideanCosts();
activityCosts = new VehicleRoutingActivityCosts() {
@Override
public double getActivityCost(TourActivity tourAct, double arrivalTime, Driver driver, Vehicle vehicle) {
return Math.max(0.,arrivalTime - tourAct.getTheoreticalLatestOperationStartTime());
}
};
Service s1 = Service.Builder.newInstance("s1").setLocationId("10,0").setTimeWindow(TimeWindow.newInstance(10.,10.)).build();
Service s2 = Service.Builder.newInstance("s2").setLocationId("20,0").setTimeWindow(TimeWindow.newInstance(20.,20.)).build();
Service s3 = Service.Builder.newInstance("s3").setLocationId("30,0").setTimeWindow(TimeWindow.newInstance(30.,30.)).build();
VehicleType type = VehicleTypeImpl.Builder.newInstance("type").build();
Vehicle vehicle = VehicleImpl.Builder.newInstance("vehicle").setStartLocationId("0,0").setType(type).build();
route = VehicleRoute.Builder.newInstance(vehicle).addService(s1).addService(s2).addService(s3).build();
stateManager = new StateManager(routingCosts);
stateManager.addStateUpdater(new UpdateVariableCosts(activityCosts,routingCosts,stateManager));
stateManager.informInsertionStarts(Arrays.asList(route), Collections.<Job>emptyList());
VehicleRoutingProblem vrp = mock(VehicleRoutingProblem.class);
when(vrp.getTransportCosts()).thenReturn(routingCosts);
constraintManager = new ConstraintManager(vrp,stateManager);
}
@Test
public void whenNewServiceNeedToBeInserted_itShouldReturnCorrectInsertionCosts(){
Service s4 = Service.Builder.newInstance("s4").setLocationId("5,0").setTimeWindow(TimeWindow.newInstance(5.,5.)).build();
// PickupActivity pickupService = new PickupService(s4);
JobInsertionContext context = new JobInsertionContext(route,s4,route.getVehicle(),route.getDriver(),0.);
RouteLevelActivityInsertionCostsEstimator estimator = new RouteLevelActivityInsertionCostsEstimator(routingCosts,activityCosts,stateManager);
estimator.setForwardLooking(0);
ServiceInsertionOnRouteLevelCalculator routeInserter = new ServiceInsertionOnRouteLevelCalculator(routingCosts,
activityCosts,estimator,constraintManager,constraintManager);
routeInserter.setStates(stateManager);
InsertionData iData = routeInserter.getInsertionData(route,s4,route.getVehicle(),route.getDepartureTime(),route.getDriver(),Double.MAX_VALUE);
assertEquals(0.,iData.getInsertionCost(),0.01);
}
@Test
public void whenNewServiceNeedToBeInserted_itShouldReturnCorrectInsertionIndex(){
Service s4 = Service.Builder.newInstance("s4").setLocationId("5,0").setTimeWindow(TimeWindow.newInstance(5.,5.)).build();
// PickupActivity pickupService = new PickupService(s4);
JobInsertionContext context = new JobInsertionContext(route,s4,route.getVehicle(),route.getDriver(),0.);
RouteLevelActivityInsertionCostsEstimator estimator = new RouteLevelActivityInsertionCostsEstimator(routingCosts,activityCosts,stateManager);
estimator.setForwardLooking(0);
ServiceInsertionOnRouteLevelCalculator routeInserter = new ServiceInsertionOnRouteLevelCalculator(routingCosts,
activityCosts,estimator,constraintManager,constraintManager);
routeInserter.setStates(stateManager);
InsertionData iData = routeInserter.getInsertionData(route,s4,route.getVehicle(),route.getDepartureTime(),route.getDriver(),Double.MAX_VALUE);
assertEquals(0,iData.getDeliveryInsertionIndex(),0.01);
}
@Test
public void whenNewServiceWithServiceTimeNeedToBeInserted_itShouldReturnCorrectInsertionData(){
Service s4 = Service.Builder.newInstance("s4").setServiceTime(10.).setLocationId("5,0").setTimeWindow(TimeWindow.newInstance(5.,5.)).build();
// PickupActivity pickupService = new PickupService(s4);
JobInsertionContext context = new JobInsertionContext(route,s4,route.getVehicle(),route.getDriver(),0.);
RouteLevelActivityInsertionCostsEstimator estimator = new RouteLevelActivityInsertionCostsEstimator(routingCosts,activityCosts,stateManager);
estimator.setForwardLooking(0);
ServiceInsertionOnRouteLevelCalculator routeInserter = new ServiceInsertionOnRouteLevelCalculator(routingCosts,
activityCosts,estimator,constraintManager,constraintManager);
routeInserter.setStates(stateManager);
InsertionData iData = routeInserter.getInsertionData(route,s4,route.getVehicle(),route.getDepartureTime(),route.getDriver(),Double.MAX_VALUE);
assertEquals(0,iData.getDeliveryInsertionIndex(),0.01);
assertEquals(30.,iData.getInsertionCost(),0.01);
}
@Test
public void whenNewServiceWithServiceTimeNeedToBeInsertedAndRouteIsEmpty_itShouldReturnCorrectInsertionData(){
Service s4 = Service.Builder.newInstance("s4").setServiceTime(10.).setLocationId("5,0").setTimeWindow(TimeWindow.newInstance(5.,5.)).build();
// PickupActivity pickupService = new PickupService(s4);
VehicleRoute emptyroute = VehicleRoute.emptyRoute();
JobInsertionContext context = new JobInsertionContext(emptyroute,s4,route.getVehicle(),route.getDriver(),0.);
RouteLevelActivityInsertionCostsEstimator estimator = new RouteLevelActivityInsertionCostsEstimator(routingCosts,activityCosts,stateManager);
estimator.setForwardLooking(0);
ServiceInsertionOnRouteLevelCalculator routeInserter = new ServiceInsertionOnRouteLevelCalculator(routingCosts,
activityCosts,estimator,constraintManager,constraintManager);
routeInserter.setStates(stateManager);
InsertionData iData = routeInserter.getInsertionData(emptyroute,s4,route.getVehicle(),route.getDepartureTime(),route.getDriver(),Double.MAX_VALUE);
assertEquals(0,iData.getDeliveryInsertionIndex(),0.01);
assertEquals(10.,iData.getInsertionCost(),0.01);
}
@Test
public void whenNewServiceWithServiceTimeAndTWNeedToBeInsertedAndRouteIsEmpty_itShouldReturnCorrectInsertionData(){
Service s4 = Service.Builder.newInstance("s4").setServiceTime(10.).setLocationId("5,0").setTimeWindow(TimeWindow.newInstance(3.,3.)).build();
// PickupActivity pickupService = new PickupService(s4);
VehicleRoute emptyroute = VehicleRoute.emptyRoute();
JobInsertionContext context = new JobInsertionContext(emptyroute,s4,route.getVehicle(),route.getDriver(),0.);
RouteLevelActivityInsertionCostsEstimator estimator = new RouteLevelActivityInsertionCostsEstimator(routingCosts,activityCosts,stateManager);
estimator.setForwardLooking(0);
ServiceInsertionOnRouteLevelCalculator routeInserter = new ServiceInsertionOnRouteLevelCalculator(routingCosts,
activityCosts,estimator,constraintManager,constraintManager);
routeInserter.setStates(stateManager);
InsertionData iData = routeInserter.getInsertionData(emptyroute,s4,route.getVehicle(),route.getDepartureTime(),route.getDriver(),Double.MAX_VALUE);
assertEquals(0,iData.getDeliveryInsertionIndex(),0.01);
assertEquals(10.+2.,iData.getInsertionCost(),0.01);
}
}

20
jsprit-core/src/test/java/jsprit/core/util/CostFactory.java
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@ -3,7 +3,15 @@ package jsprit.core.util;
import jsprit.core.problem.cost.VehicleRoutingTransportCosts;
public class CostFactory {
/**
* Return manhattanCosts.
* <p>
* This retrieves coordinates from locationIds. LocationId has to be locId="{x},{y}". For example,
* locId="10,10" is interpreted such that x=10 and y=10.
*
* @return manhattanCosts
*/
public static VehicleRoutingTransportCosts createManhattanCosts(){
Locations locations = new Locations(){
@ -18,7 +26,15 @@ public class CostFactory {
};
return new ManhattanCosts(locations);
}
/**
* Return euclideanCosts.
* <p>
* This retrieves coordinates from locationIds. LocationId has to be locId="{x},{y}". For example,
* locId="10,10" is interpreted such that x=10 and y=10.
*
* @return euclidean
*/
public static VehicleRoutingTransportCosts createEuclideanCosts(){
Locations locations = new Locations(){