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# Conflicts:
#	jsprit-core/src/main/java/jsprit/core/problem/constraint/ServiceLoadActivityLevelConstraint.java
This commit is contained in:
oblonski 2015-09-11 12:47:16 +02:00
commit b9c7dc3324
5 changed files with 90 additions and 43 deletions
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4
jsprit-core/src/main/java/jsprit/core/algorithm/PrettyAlgorithmBuilder.java
View file

@ -136,7 +136,9 @@ public class PrettyAlgorithmBuilder {
vra.addListener(new AlgorithmStartsListener() {
@Override
public void informAlgorithmStarts(VehicleRoutingProblem problem, VehicleRoutingAlgorithm algorithm, Collection<VehicleRoutingProblemSolution> solutions) {
solutions.add(new InsertionInitialSolutionFactory(iniInsertionStrategy, iniObjFunction).createSolution(vrp));
if (solutions.isEmpty()) {
solutions.add(new InsertionInitialSolutionFactory(iniInsertionStrategy, iniObjFunction).createSolution(vrp));
}
}
});
}

2
jsprit-core/src/main/java/jsprit/core/algorithm/recreate/RegretInsertionConcurrent.java
View file

@ -145,8 +145,6 @@ public class RegretInsertionConcurrent extends AbstractInsertionStrategy {
Thread.currentThread().interrupt();
}
catch (ExecutionException e) {
e.printStackTrace();
logger.error("Exception", e);
throw new RuntimeException(e);
}

71
jsprit-core/src/main/java/jsprit/core/problem/constraint/ServiceLoadActivityLevelConstraint.java
View file

@ -25,49 +25,52 @@ import jsprit.core.problem.solution.route.state.RouteAndActivityStateGetter;
/**
* Ensures load constraint for inserting ServiceActivity.
* <p/>
*
* <p>When using this, you need to use<br>
*
*
* @author schroeder
*
*/
class ServiceLoadActivityLevelConstraint implements HardActivityConstraint {
public class ServiceLoadActivityLevelConstraint implements HardActivityConstraint {
private RouteAndActivityStateGetter stateManager;
private RouteAndActivityStateGetter stateManager;
private Capacity defaultValue;
public ServiceLoadActivityLevelConstraint(RouteAndActivityStateGetter stateManager) {
super();
this.stateManager = stateManager;
public ServiceLoadActivityLevelConstraint(RouteAndActivityStateGetter stateManager) {
super();
this.stateManager = stateManager;
defaultValue = Capacity.Builder.newInstance().build();
}
}
@Override
public ConstraintsStatus fulfilled(JobInsertionContext iFacts, TourActivity prevAct, TourActivity newAct, TourActivity nextAct, double prevActDepTime) {
Capacity futureMaxLoad;
Capacity prevMaxLoad;
if (prevAct instanceof Start) {
futureMaxLoad = stateManager.getRouteState(iFacts.getRoute(), InternalStates.MAXLOAD, Capacity.class);
if (futureMaxLoad == null) futureMaxLoad = defaultValue;
prevMaxLoad = stateManager.getRouteState(iFacts.getRoute(), InternalStates.LOAD_AT_BEGINNING, Capacity.class);
if (prevMaxLoad == null) prevMaxLoad = defaultValue;
} else {
futureMaxLoad = stateManager.getActivityState(prevAct, InternalStates.FUTURE_MAXLOAD, Capacity.class);
if (futureMaxLoad == null) futureMaxLoad = defaultValue;
prevMaxLoad = stateManager.getActivityState(prevAct, InternalStates.PAST_MAXLOAD, Capacity.class);
if (prevMaxLoad == null) prevMaxLoad = defaultValue;
@Override
public ConstraintsStatus fulfilled(JobInsertionContext iFacts, TourActivity prevAct, TourActivity newAct, TourActivity nextAct, double prevActDepTime) {
Capacity futureMaxLoad;
Capacity prevMaxLoad;
if(prevAct instanceof Start){
futureMaxLoad = stateManager.getRouteState(iFacts.getRoute(), InternalStates.MAXLOAD, Capacity.class);
if(futureMaxLoad == null) futureMaxLoad = defaultValue;
prevMaxLoad = stateManager.getRouteState(iFacts.getRoute(), InternalStates.LOAD_AT_BEGINNING, Capacity.class);
if(prevMaxLoad == null) prevMaxLoad = defaultValue;
}
else{
futureMaxLoad = stateManager.getActivityState(prevAct, InternalStates.FUTURE_MAXLOAD, Capacity.class);
if(futureMaxLoad == null) futureMaxLoad = defaultValue;
prevMaxLoad = stateManager.getActivityState(prevAct, InternalStates.PAST_MAXLOAD, Capacity.class);
if(prevMaxLoad == null) prevMaxLoad = defaultValue;
}
if (newAct instanceof PickupService || newAct instanceof ServiceActivity) {
if (!Capacity.addup(newAct.getSize(), futureMaxLoad).isLessOrEqual(iFacts.getNewVehicle().getType().getCapacityDimensions())) {
return ConstraintsStatus.NOT_FULFILLED;
}
}
if (newAct instanceof DeliverService) {
if (!Capacity.addup(Capacity.invert(newAct.getSize()), prevMaxLoad).isLessOrEqual(iFacts.getNewVehicle().getType().getCapacityDimensions())) {
return ConstraintsStatus.NOT_FULFILLED_BREAK;
}
}
return ConstraintsStatus.FULFILLED;
}
}
if(newAct instanceof PickupService || newAct instanceof ServiceActivity){
if(!Capacity.addup(newAct.getSize(), futureMaxLoad).isLessOrEqual(iFacts.getNewVehicle().getType().getCapacityDimensions())){
return ConstraintsStatus.NOT_FULFILLED;
}
}
if(newAct instanceof DeliverService){
if(!Capacity.addup(Capacity.invert(newAct.getSize()), prevMaxLoad).isLessOrEqual(iFacts.getNewVehicle().getType().getCapacityDimensions())){
return ConstraintsStatus.NOT_FULFILLED_BREAK;
}
}
return ConstraintsStatus.FULFILLED;
}
}

2
jsprit-core/src/main/java/jsprit/core/problem/constraint/ServiceLoadRouteLevelConstraint.java
View file

@ -32,7 +32,7 @@ import jsprit.core.problem.solution.route.state.RouteAndActivityStateGetter;
*
* @author stefan
*/
class ServiceLoadRouteLevelConstraint implements HardRouteConstraint {
public class ServiceLoadRouteLevelConstraint implements HardRouteConstraint {
private RouteAndActivityStateGetter stateManager;

54
jsprit-core/src/test/java/jsprit/core/algorithm/InitialRoutesTest.java
View file

@ -18,12 +18,27 @@
package jsprit.core.algorithm;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import java.util.Collection;
import java.util.List;
import jsprit.core.algorithm.box.GreedySchrimpfFactory;
import jsprit.core.algorithm.box.Jsprit;
import jsprit.core.algorithm.box.Jsprit.Builder;
import jsprit.core.algorithm.box.SchrimpfFactory;
import jsprit.core.algorithm.state.StateManager;
import jsprit.core.algorithm.state.UpdateEndLocationIfRouteIsOpen;
import jsprit.core.algorithm.state.UpdateVariableCosts;
import jsprit.core.problem.AbstractActivity;
import jsprit.core.problem.Location;
import jsprit.core.problem.VehicleRoutingProblem;
import jsprit.core.problem.constraint.ConstraintManager;
import jsprit.core.problem.constraint.ConstraintManager.Priority;
import jsprit.core.problem.constraint.ServiceLoadActivityLevelConstraint;
import jsprit.core.problem.constraint.ServiceLoadRouteLevelConstraint;
import jsprit.core.problem.io.VrpXMLReader;
import jsprit.core.problem.job.Job;
import jsprit.core.problem.job.Service;
@ -38,13 +53,9 @@ import jsprit.core.problem.vehicle.VehicleTypeImpl;
import jsprit.core.reporting.SolutionPrinter;
import jsprit.core.util.Coordinate;
import jsprit.core.util.Solutions;
import org.junit.Test;
import java.util.Collection;
import java.util.List;
import static org.junit.Assert.*;
public class InitialRoutesTest {
@Test
@ -395,4 +406,37 @@ public class InitialRoutesTest {
vra.searchSolutions();
assertTrue(true);
}
@Test
public void buildWithoutTimeConstraints() {
Service s1 = Service.Builder.newInstance("s1").setLocation(Location.newInstance(0,10)).addSizeDimension(0, 10).build();
Service s2 = Service.Builder.newInstance("s2").setLocation(Location.newInstance(10,20)).addSizeDimension(0, 12).build();
VehicleTypeImpl vt = VehicleTypeImpl.Builder.newInstance("vt").addCapacityDimension(0, 15).build();
VehicleImpl v = VehicleImpl.Builder.newInstance("v").setType(vt).setStartLocation(Location.newInstance(0,0)).build();
VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addJob(s1).addJob(s2).addVehicle(v).build();
Builder algBuilder = Jsprit.Builder.newInstance(vrp).addCoreStateAndConstraintStuff(false);
// only required constraints
StateManager stateManager = new StateManager(vrp);
ConstraintManager constraintManager = new ConstraintManager(vrp, stateManager);
constraintManager.addConstraint(new ServiceLoadRouteLevelConstraint(stateManager));
constraintManager.addConstraint(new ServiceLoadActivityLevelConstraint(stateManager), Priority.LOW);
stateManager.updateLoadStates();
stateManager.addStateUpdater(new UpdateEndLocationIfRouteIsOpen());
stateManager.addStateUpdater(new UpdateVariableCosts(vrp.getActivityCosts(), vrp.getTransportCosts(), stateManager));
algBuilder.setStateAndConstraintManager(stateManager, constraintManager);
VehicleRoutingAlgorithm vra = algBuilder.buildAlgorithm();
vra.setMaxIterations(20);
Collection<VehicleRoutingProblemSolution> searchSolutions = vra.searchSolutions();
VehicleRoutingProblemSolution bestOf = Solutions.bestOf(searchSolutions);
//ensure 2 routes
assertEquals(2, bestOf.getRoutes().size());
//ensure no time information in first service of first route
assertEquals(0, bestOf.getRoutes().iterator().next().getActivities().iterator().next().getArrTime(), 0.001);
}
}