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Code Issues Releases Wiki Activity

added skills

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This commit is contained in:
oblonski 2014-07-29 13:54:11 +02:00
parent b991793aba
commit ea7407d936
12 changed files with 1705 additions and 76 deletions
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13
jsprit-core/src/main/java/jsprit/core/problem/Skills.java
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@ -81,7 +81,20 @@ public class Skills {
return skills.contains(skill.toLowerCase()); return skills.contains(skill.toLowerCase());
} }
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Skills skills1 = (Skills) o;
if (skills != null ? !skills.equals(skills1.skills) : skills1.skills != null) return false;
return true;
}
@Override
public int hashCode() {
return skills != null ? skills.hashCode() : 0;
}
} }

3
jsprit-core/src/main/java/jsprit/core/problem/VehicleRoutingProblem.java
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@ -417,7 +417,7 @@ public class VehicleRoutingProblem {
Set<VehicleTypeKey> vehicleTypeKeys = new HashSet<VehicleTypeKey>(); Set<VehicleTypeKey> vehicleTypeKeys = new HashSet<VehicleTypeKey>();
List<Vehicle> uniqueVehicles = new ArrayList<Vehicle>(); List<Vehicle> uniqueVehicles = new ArrayList<Vehicle>();
for(Vehicle v : this.uniqueVehicles){ for(Vehicle v : this.uniqueVehicles){
VehicleTypeKey key = new VehicleTypeKey(v.getType().getTypeId(),v.getStartLocationId(),v.getEndLocationId(),v.getEarliestDeparture(),v.getLatestArrival()); VehicleTypeKey key = new VehicleTypeKey(v.getType().getTypeId(),v.getStartLocationId(),v.getEndLocationId(),v.getEarliestDeparture(),v.getLatestArrival(), v.getSkills());
if(!vehicleTypeKeys.contains(key)){ if(!vehicleTypeKeys.contains(key)){
uniqueVehicles.add(v); uniqueVehicles.add(v);
vehicleTypeKeys.add(key); vehicleTypeKeys.add(key);
@ -439,6 +439,7 @@ public class VehicleRoutingProblem {
VehicleImpl penVehicle = VehicleImpl.Builder.newInstance(vehicleId).setEarliestStart(v.getEarliestDeparture()) VehicleImpl penVehicle = VehicleImpl.Builder.newInstance(vehicleId).setEarliestStart(v.getEarliestDeparture())
.setLatestArrival(v.getLatestArrival()).setStartLocationCoordinate(v.getStartLocationCoordinate()).setStartLocationId(v.getStartLocationId()) .setLatestArrival(v.getLatestArrival()).setStartLocationCoordinate(v.getStartLocationCoordinate()).setStartLocationId(v.getStartLocationId())
.setEndLocationId(v.getEndLocationId()).setEndLocationCoordinate(v.getEndLocationCoordinate()) .setEndLocationId(v.getEndLocationId()).setEndLocationCoordinate(v.getEndLocationCoordinate())
.addSkills(v.getSkills())
.setReturnToDepot(v.isReturnToDepot()).setType(penType).build(); .setReturnToDepot(v.isReturnToDepot()).setType(penType).build();
addVehicle(penVehicle); addVehicle(penVehicle);
} }

4
jsprit-core/src/main/java/jsprit/core/problem/vehicle/InfiniteVehicles.java
View file

@ -44,7 +44,7 @@ class InfiniteVehicles implements VehicleFleetManager{
private void extractTypes(Collection<Vehicle> vehicles) { private void extractTypes(Collection<Vehicle> vehicles) {
for(Vehicle v : vehicles){ for(Vehicle v : vehicles){
VehicleTypeKey typeKey = new VehicleTypeKey(v.getType().getTypeId(), v.getStartLocationId(),v.getEndLocationId(), v.getEarliestDeparture(), v.getLatestArrival()); VehicleTypeKey typeKey = new VehicleTypeKey(v.getType().getTypeId(), v.getStartLocationId(),v.getEndLocationId(), v.getEarliestDeparture(), v.getLatestArrival(), v.getSkills());
types.put(typeKey,v); types.put(typeKey,v);
sortedTypes.add(typeKey); sortedTypes.add(typeKey);
@ -81,7 +81,7 @@ class InfiniteVehicles implements VehicleFleetManager{
@Override @Override
public Collection<Vehicle> getAvailableVehicles(Vehicle withoutThisType) { public Collection<Vehicle> getAvailableVehicles(Vehicle withoutThisType) {
Collection<Vehicle> vehicles = new ArrayList<Vehicle>(); Collection<Vehicle> vehicles = new ArrayList<Vehicle>();
VehicleTypeKey thisKey = new VehicleTypeKey(withoutThisType.getType().getTypeId(), withoutThisType.getStartLocationId(), withoutThisType.getEndLocationId(), withoutThisType.getEarliestDeparture(), withoutThisType.getLatestArrival()); VehicleTypeKey thisKey = new VehicleTypeKey(withoutThisType.getType().getTypeId(), withoutThisType.getStartLocationId(), withoutThisType.getEndLocationId(), withoutThisType.getEarliestDeparture(), withoutThisType.getLatestArrival(), withoutThisType.getSkills());
for(VehicleTypeKey key : types.keySet()){ for(VehicleTypeKey key : types.keySet()){
if(!key.equals(thisKey)){ if(!key.equals(thisKey)){
vehicles.add(types.get(key)); vehicles.add(types.get(key));

8
jsprit-core/src/main/java/jsprit/core/problem/vehicle/VehicleFleetManagerImpl.java
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@ -122,11 +122,11 @@ class VehicleFleetManagerImpl implements VehicleFleetManager {
} }
String typeId = v.getType().getTypeId(); String typeId = v.getType().getTypeId();
if(v.getType() instanceof PenaltyVehicleType){ if(v.getType() instanceof PenaltyVehicleType){
VehicleTypeKey typeKey = new VehicleTypeKey(typeId, v.getStartLocationId(), v.getEndLocationId(), v.getEarliestDeparture(), v.getLatestArrival()); VehicleTypeKey typeKey = new VehicleTypeKey(typeId, v.getStartLocationId(), v.getEndLocationId(), v.getEarliestDeparture(), v.getLatestArrival(), v.getSkills());
penaltyVehicles.put(typeKey, v); penaltyVehicles.put(typeKey, v);
} }
else{ else{
VehicleTypeKey typeKey = new VehicleTypeKey(v.getType().getTypeId(), v.getStartLocationId(), v.getEndLocationId(), v.getEarliestDeparture(), v.getLatestArrival()); VehicleTypeKey typeKey = new VehicleTypeKey(v.getType().getTypeId(), v.getStartLocationId(), v.getEndLocationId(), v.getEarliestDeparture(), v.getLatestArrival(), v.getSkills());
if(!typeMapOfAvailableVehicles.containsKey(typeKey)){ if(!typeMapOfAvailableVehicles.containsKey(typeKey)){
typeMapOfAvailableVehicles.put(typeKey, new TypeContainer()); typeMapOfAvailableVehicles.put(typeKey, new TypeContainer());
} }
@ -137,7 +137,7 @@ class VehicleFleetManagerImpl implements VehicleFleetManager {
private void removeVehicle(Vehicle v){ private void removeVehicle(Vehicle v){
//it might be better to introduce a class PenaltyVehicle //it might be better to introduce a class PenaltyVehicle
if(!(v.getType() instanceof PenaltyVehicleType)){ if(!(v.getType() instanceof PenaltyVehicleType)){
VehicleTypeKey key = new VehicleTypeKey(v.getType().getTypeId(), v.getStartLocationId(), v.getEndLocationId(), v.getEarliestDeparture(), v.getLatestArrival()); VehicleTypeKey key = new VehicleTypeKey(v.getType().getTypeId(), v.getStartLocationId(), v.getEndLocationId(), v.getEarliestDeparture(), v.getLatestArrival(), v.getSkills());
if(typeMapOfAvailableVehicles.containsKey(key)){ if(typeMapOfAvailableVehicles.containsKey(key)){
typeMapOfAvailableVehicles.get(key).remove(v); typeMapOfAvailableVehicles.get(key).remove(v);
} }
@ -170,7 +170,7 @@ class VehicleFleetManagerImpl implements VehicleFleetManager {
@Override @Override
public Collection<Vehicle> getAvailableVehicles(Vehicle withoutThisType) { public Collection<Vehicle> getAvailableVehicles(Vehicle withoutThisType) {
List<Vehicle> vehicles = new ArrayList<Vehicle>(); List<Vehicle> vehicles = new ArrayList<Vehicle>();
VehicleTypeKey thisKey = new VehicleTypeKey(withoutThisType.getType().getTypeId(), withoutThisType.getStartLocationId(), withoutThisType.getEndLocationId(), withoutThisType.getEarliestDeparture(), withoutThisType.getLatestArrival()); VehicleTypeKey thisKey = new VehicleTypeKey(withoutThisType.getType().getTypeId(), withoutThisType.getStartLocationId(), withoutThisType.getEndLocationId(), withoutThisType.getEarliestDeparture(), withoutThisType.getLatestArrival(), withoutThisType.getSkills());
for(VehicleTypeKey key : typeMapOfAvailableVehicles.keySet()){ for(VehicleTypeKey key : typeMapOfAvailableVehicles.keySet()){
if(key.equals(thisKey)) continue; if(key.equals(thisKey)) continue;
if(!typeMapOfAvailableVehicles.get(key).isEmpty()){ if(!typeMapOfAvailableVehicles.get(key).isEmpty()){

6
jsprit-core/src/main/java/jsprit/core/problem/vehicle/VehicleImpl.java
View file

@ -245,6 +245,10 @@ public class VehicleImpl extends AbstractVehicle{
*/ */
public static Builder newInstance(String vehicleId){ return new Builder(vehicleId); } public static Builder newInstance(String vehicleId){ return new Builder(vehicleId); }
public Builder addSkills(Skills skills) {
this.skillBuilder.addAllSkills(skills.values());
return this;
}
} }
/** /**
@ -294,8 +298,8 @@ public class VehicleImpl extends AbstractVehicle{
startLocationCoord = builder.startLocationCoord; startLocationCoord = builder.startLocationCoord;
endLocationId = builder.endLocationId; endLocationId = builder.endLocationId;
endLocationCoord = builder.endLocationCoord; endLocationCoord = builder.endLocationCoord;
setVehicleIdentifier(new VehicleTypeKey(type.getTypeId(),startLocationId,endLocationId,earliestDeparture,latestArrival));
skills = builder.skills; skills = builder.skills;
setVehicleIdentifier(new VehicleTypeKey(type.getTypeId(),startLocationId,endLocationId,earliestDeparture,latestArrival,skills));
} }
/** /**

71
jsprit-core/src/main/java/jsprit/core/problem/vehicle/VehicleTypeKey.java
View file

@ -19,6 +19,7 @@
package jsprit.core.problem.vehicle; package jsprit.core.problem.vehicle;
import jsprit.core.problem.AbstractVehicle; import jsprit.core.problem.AbstractVehicle;
import jsprit.core.problem.Skills;
/** /**
* Key to identify similar vehicles * Key to identify similar vehicles
@ -35,66 +36,50 @@ public class VehicleTypeKey extends AbstractVehicle.AbstractTypeKey{
public final String endLocationId; public final String endLocationId;
public final double earliestStart; public final double earliestStart;
public final double latestEnd; public final double latestEnd;
public final Skills skills;
public VehicleTypeKey(String typeId, String startLocationId, String endLocationId, double earliestStart, double latestEnd) { public VehicleTypeKey(String typeId, String startLocationId, String endLocationId, double earliestStart, double latestEnd, Skills skills) {
super(); super();
this.type = typeId; this.type = typeId;
this.startLocationId = startLocationId; this.startLocationId = startLocationId;
this.endLocationId = endLocationId; this.endLocationId = endLocationId;
this.earliestStart = earliestStart; this.earliestStart = earliestStart;
this.latestEnd = latestEnd; this.latestEnd = latestEnd;
this.skills = skills;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof VehicleTypeKey)) return false;
VehicleTypeKey that = (VehicleTypeKey) o;
if (Double.compare(that.earliestStart, earliestStart) != 0) return false;
if (Double.compare(that.latestEnd, latestEnd) != 0) return false;
if (!endLocationId.equals(that.endLocationId)) return false;
if (!skills.equals(that.skills)) return false;
if (!startLocationId.equals(that.startLocationId)) return false;
if (!type.equals(that.type)) return false;
return true;
} }
@Override @Override
public int hashCode() { public int hashCode() {
final int prime = 31; int result;
int result = 1;
long temp; long temp;
result = type.hashCode();
result = 31 * result + startLocationId.hashCode();
result = 31 * result + endLocationId.hashCode();
temp = Double.doubleToLongBits(earliestStart); temp = Double.doubleToLongBits(earliestStart);
result = prime * result + (int) (temp ^ (temp >>> 32)); result = 31 * result + (int) (temp ^ (temp >>> 32));
result = prime * result
+ ((endLocationId == null) ? 0 : endLocationId.hashCode());
temp = Double.doubleToLongBits(latestEnd); temp = Double.doubleToLongBits(latestEnd);
result = prime * result + (int) (temp ^ (temp >>> 32)); result = 31 * result + (int) (temp ^ (temp >>> 32));
result = prime * result result = 31 * result + skills.hashCode();
+ ((startLocationId == null) ? 0 : startLocationId.hashCode());
result = prime * result + ((type == null) ? 0 : type.hashCode());
return result; return result;
} }
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
VehicleTypeKey other = (VehicleTypeKey) obj;
if (Double.doubleToLongBits(earliestStart) != Double
.doubleToLongBits(other.earliestStart))
return false;
if (endLocationId == null) {
if (other.endLocationId != null)
return false;
} else if (!endLocationId.equals(other.endLocationId))
return false;
if (Double.doubleToLongBits(latestEnd) != Double
.doubleToLongBits(other.latestEnd))
return false;
if (startLocationId == null) {
if (other.startLocationId != null)
return false;
} else if (!startLocationId.equals(other.startLocationId))
return false;
if (type == null) {
if (other.type != null)
return false;
} else if (!type.equals(other.type))
return false;
return true;
}
@Override @Override
public String toString() { public String toString() {
StringBuilder stringBuilder = new StringBuilder(); StringBuilder stringBuilder = new StringBuilder();

12
jsprit-core/src/test/java/jsprit/core/algorithm/recreate/TestCalculatesServiceInsertionOnRouteLevel.java
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@ -19,7 +19,10 @@ package jsprit.core.algorithm.recreate;
import jsprit.core.algorithm.ExampleActivityCostFunction; import jsprit.core.algorithm.ExampleActivityCostFunction;
import jsprit.core.algorithm.state.StateManager; import jsprit.core.algorithm.state.StateManager;
import jsprit.core.algorithm.state.UpdateVariableCosts; import jsprit.core.algorithm.state.UpdateVariableCosts;
import jsprit.core.problem.*; import jsprit.core.problem.AbstractActivity;
import jsprit.core.problem.AbstractVehicle;
import jsprit.core.problem.JobActivityFactory;
import jsprit.core.problem.VehicleRoutingProblem;
import jsprit.core.problem.constraint.ConstraintManager; import jsprit.core.problem.constraint.ConstraintManager;
import jsprit.core.problem.cost.AbstractForwardVehicleRoutingTransportCosts; import jsprit.core.problem.cost.AbstractForwardVehicleRoutingTransportCosts;
import jsprit.core.problem.cost.VehicleRoutingTransportCosts; import jsprit.core.problem.cost.VehicleRoutingTransportCosts;
@ -33,6 +36,7 @@ import jsprit.core.problem.solution.route.activity.TimeWindow;
import jsprit.core.problem.vehicle.Vehicle; import jsprit.core.problem.vehicle.Vehicle;
import jsprit.core.problem.vehicle.VehicleImpl; import jsprit.core.problem.vehicle.VehicleImpl;
import jsprit.core.problem.vehicle.VehicleType; import jsprit.core.problem.vehicle.VehicleType;
import jsprit.core.problem.vehicle.VehicleTypeImpl;
import jsprit.core.util.CostFactory; import jsprit.core.util.CostFactory;
import org.junit.Before; import org.junit.Before;
import org.junit.Test; import org.junit.Test;
@ -44,7 +48,6 @@ import java.util.List;
import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.mock; import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
@ -76,11 +79,8 @@ public class TestCalculatesServiceInsertionOnRouteLevel {
costs = mock(VehicleRoutingTransportCosts.class); costs = mock(VehicleRoutingTransportCosts.class);
vehicle = mock(AbstractVehicle.class);
VehicleType type = mock(VehicleType.class);
when(type.getCapacityDimensions()).thenReturn(Capacity.Builder.newInstance().addDimension(0, 1000).build());
VehicleType type = VehicleTypeImpl.Builder.newInstance("t").addCapacityDimension(0,1000).build();
vehicle = VehicleImpl.Builder.newInstance("v1").setType(type).setStartLocationId("0,0").setLatestArrival(100.).build(); vehicle = VehicleImpl.Builder.newInstance("v1").setType(type).setStartLocationId("0,0").setLatestArrival(100.).build();
newVehicle = VehicleImpl.Builder.newInstance("v2").setType(type).setStartLocationId("0,0").setLatestArrival(100.).build(); newVehicle = VehicleImpl.Builder.newInstance("v2").setType(type).setStartLocationId("0,0").setLatestArrival(100.).build();
driver = DriverImpl.noDriver(); driver = DriverImpl.noDriver();

98
jsprit-core/src/test/java/jsprit/core/algorithm/state/SolomonSkills_IT.java Normal file
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@ -0,0 +1,98 @@
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.addSkill("skill2");
else skillServiceBuilder.addSkill("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);
}
}
}

4
jsprit-core/src/test/java/jsprit/core/problem/VehicleRoutingProblemTest.java
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@ -94,8 +94,8 @@ public class VehicleRoutingProblemTest {
public void whenBuildingWithFourVehiclesAndTwoTypes_vrpShouldContainTheCorrectNuOfTypes(){ public void whenBuildingWithFourVehiclesAndTwoTypes_vrpShouldContainTheCorrectNuOfTypes(){
VehicleRoutingProblem.Builder builder = VehicleRoutingProblem.Builder.newInstance(); VehicleRoutingProblem.Builder builder = VehicleRoutingProblem.Builder.newInstance();
VehicleTypeImpl type1 = mock(VehicleTypeImpl.class); VehicleTypeImpl type1 = VehicleTypeImpl.Builder.newInstance("type1").build();
VehicleTypeImpl type2 = mock(VehicleTypeImpl.class); VehicleTypeImpl type2 = VehicleTypeImpl.Builder.newInstance("type2").build();
VehicleImpl v1 = VehicleImpl.Builder.newInstance("v1").setStartLocationId("yo").setType(type1).build(); VehicleImpl v1 = VehicleImpl.Builder.newInstance("v1").setStartLocationId("yo").setType(type1).build();
VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2").setStartLocationId("yo").setType(type1).build(); VehicleImpl v2 = VehicleImpl.Builder.newInstance("v2").setStartLocationId("yo").setType(type1).build();

14
jsprit-core/src/test/java/jsprit/core/problem/constraint/VehicleDependentTimeWindowTest.java
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@ -22,7 +22,6 @@ import org.junit.Test;
import java.util.*; import java.util.*;
import static org.junit.Assert.*; import static org.junit.Assert.*;
import static org.mockito.Mockito.mock;
/** /**
* unit tests to test vehicle dependent time-windows * unit tests to test vehicle dependent time-windows
@ -52,22 +51,23 @@ public class VehicleDependentTimeWindowTest {
routingCosts = CostFactory.createEuclideanCosts(); routingCosts = CostFactory.createEuclideanCosts();
vrpBuilder.setRoutingCost(routingCosts); vrpBuilder.setRoutingCost(routingCosts);
vehicle = VehicleImpl.Builder.newInstance("v").setType(mock(VehicleType.class)).setStartLocationId("0,0") VehicleType type = VehicleTypeImpl.Builder.newInstance("type").build();
vehicle = VehicleImpl.Builder.newInstance("v").setType(type).setStartLocationId("0,0")
.setEarliestStart(0.).setLatestArrival(100.).build(); .setEarliestStart(0.).setLatestArrival(100.).build();
v2 = VehicleImpl.Builder.newInstance("v2").setType(mock(VehicleType.class)).setStartLocationId("0,0") v2 = VehicleImpl.Builder.newInstance("v2").setType(type).setStartLocationId("0,0")
.setEarliestStart(0.).setLatestArrival(60.).build(); .setEarliestStart(0.).setLatestArrival(60.).build();
v3 = VehicleImpl.Builder.newInstance("v3").setType(mock(VehicleType.class)).setStartLocationId("0,0") v3 = VehicleImpl.Builder.newInstance("v3").setType(type).setStartLocationId("0,0")
.setEarliestStart(0.).setLatestArrival(50.).build(); .setEarliestStart(0.).setLatestArrival(50.).build();
v4 = VehicleImpl.Builder.newInstance("v4").setType(mock(VehicleType.class)).setStartLocationId("0,0") v4 = VehicleImpl.Builder.newInstance("v4").setType(type).setStartLocationId("0,0")
.setEarliestStart(0.).setLatestArrival(10.).build(); .setEarliestStart(0.).setLatestArrival(10.).build();
v5 = VehicleImpl.Builder.newInstance("v5").setType(mock(VehicleType.class)).setStartLocationId("0,0") v5 = VehicleImpl.Builder.newInstance("v5").setType(type).setStartLocationId("0,0")
.setEarliestStart(60.).setLatestArrival(100.).build(); .setEarliestStart(60.).setLatestArrival(100.).build();
v6 = VehicleImpl.Builder.newInstance("v6").setType(mock(VehicleType.class)).setStartLocationId("0,0") v6 = VehicleImpl.Builder.newInstance("v6").setType(type).setStartLocationId("0,0")
.setEndLocationId("40,0").setEarliestStart(0.).setLatestArrival(40.).build(); .setEndLocationId("40,0").setEarliestStart(0.).setLatestArrival(40.).build();
vrpBuilder.addVehicle(vehicle).addVehicle(v2).addVehicle(v3).addVehicle(v4).addVehicle(v5).addVehicle(v6); vrpBuilder.addVehicle(vehicle).addVehicle(v2).addVehicle(v3).addVehicle(v4).addVehicle(v5).addVehicle(v6);

1441
jsprit-core/src/test/resources/solomon_c101.xml Normal file
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87
jsprit-examples/src/main/java/jsprit/examples/SolomonWithSkillsExample.java Normal file
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@ -0,0 +1,87 @@
package jsprit.examples;
import jsprit.analysis.toolbox.Plotter;
import jsprit.analysis.toolbox.SolutionPrinter;
import jsprit.core.algorithm.VehicleRoutingAlgorithm;
import jsprit.core.algorithm.VehicleRoutingAlgorithmBuilder;
import jsprit.core.algorithm.state.StateManager;
import jsprit.core.problem.VehicleRoutingProblem;
import jsprit.core.problem.constraint.ConstraintManager;
import jsprit.core.problem.job.Job;
import jsprit.core.problem.job.Service;
import jsprit.core.problem.solution.VehicleRoutingProblemSolution;
import jsprit.core.problem.vehicle.Vehicle;
import jsprit.core.problem.vehicle.VehicleImpl;
import jsprit.core.problem.vehicle.VehicleType;
import jsprit.core.util.Solutions;
import jsprit.instance.reader.SolomonReader;
import java.util.Collection;
public class SolomonWithSkillsExample {
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")
.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;
if(service.getCoord().getY()<50.){
skillServiceBuilder = Service.Builder.newInstance(service.getId()+"_skill2").setServiceTime(service.getServiceDuration())
.setCoord(service.getCoord()).setLocationId(service.getLocationId()).setTimeWindow(service.getTimeWindow())
.addSizeDimension(0,service.getSize().get(0));
skillServiceBuilder.addSkill("skill2");
}
else {
skillServiceBuilder = Service.Builder.newInstance(service.getId()+"_skill1").setServiceTime(service.getServiceDuration())
.setCoord(service.getCoord()).setLocationId(service.getLocationId()).setTimeWindow(service.getTimeWindow())
.addSizeDimension(0,service.getSize().get(0));
skillServiceBuilder.addSkill("skill1");
}
skillProblemBuilder.addJob(skillServiceBuilder.build());
}
skillProblemBuilder.addPenaltyVehicles(3.,100.);
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 = vraBuilder.build();
// vra.setNuOfIterations(500);
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");
}
}