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Code Issues Releases Wiki Activity

add editorconfig - #174

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oblonski 2015-09-11 12:49:01 +02:00
parent b9c7dc3324
commit 25e5c096f2
43 changed files with 625 additions and 645 deletions
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56
jsprit-core/src/main/java/jsprit/core/algorithm/recreate/RegretInsertionConcurrent.java
View file

@ -32,16 +32,15 @@ import java.util.List;
import java.util.concurrent.*;
/**
* Insertion based on regret approach.
*
* <p>Basically calculates the insertion cost of the firstBest and the secondBest alternative. The score is then calculated as difference
* between secondBest and firstBest, plus additional scoring variables that can defined in this.ScoringFunction.
* The idea is that if the cost of the secondBest alternative is way higher than the first best, it seems to be important to insert this
* customer immediatedly. If difference is not that high, it might not impact solution if this customer is inserted later.
*
* @author stefan schroeder
*
*/
* Insertion based on regret approach.
* <p/>
* <p>Basically calculates the insertion cost of the firstBest and the secondBest alternative. The score is then calculated as difference
* between secondBest and firstBest, plus additional scoring variables that can defined in this.ScoringFunction.
* The idea is that if the cost of the secondBest alternative is way higher than the first best, it seems to be important to insert this
* customer immediatedly. If difference is not that high, it might not impact solution if this customer is inserted later.
*
* @author stefan schroeder
*/
public class RegretInsertionConcurrent extends AbstractInsertionStrategy {
@ -55,7 +54,7 @@ public class RegretInsertionConcurrent extends AbstractInsertionStrategy {
/**
* Sets the scoring function.
*
* <p/>
* <p>By default, the this.TimeWindowScorer is used.
*
* @param scoringFunction to score
@ -75,17 +74,16 @@ public class RegretInsertionConcurrent extends AbstractInsertionStrategy {
@Override
public String toString() {
return "[name=regretInsertion][additionalScorer="+scoringFunction+"]";
return "[name=regretInsertion][additionalScorer=" + scoringFunction + "]";
}
/**
* Runs insertion.
*
* <p/>
* <p>Before inserting a job, all unassigned jobs are scored according to its best- and secondBest-insertion plus additional scoring variables.
*
* @throws java.lang.RuntimeException if smth went wrong with thread execution
*
*/
@Override
public Collection<Job> insertUnassignedJobs(Collection<VehicleRoute> routes, Collection<Job> unassignedJobs) {
@ -96,14 +94,14 @@ public class RegretInsertionConcurrent extends AbstractInsertionStrategy {
List<Job> unassignedJobList = new ArrayList<Job>(jobs);
List<Job> badJobList = new ArrayList<Job>();
ScoredJob bestScoredJob = nextJob(routes, unassignedJobList, badJobList);
if(bestScoredJob != null){
if(bestScoredJob.isNewRoute()){
if (bestScoredJob != null) {
if (bestScoredJob.isNewRoute()) {
routes.add(bestScoredJob.getRoute());
}
insertJob(bestScoredJob.getJob(),bestScoredJob.getInsertionData(),bestScoredJob.getRoute());
insertJob(bestScoredJob.getJob(), bestScoredJob.getInsertionData(), bestScoredJob.getRoute());
jobs.remove(bestScoredJob.getJob());
}
for(Job j : badJobList) {
for (Job j : badJobList) {
jobs.remove(j);
badJobs.add(j);
}
@ -125,26 +123,23 @@ public class RegretInsertionConcurrent extends AbstractInsertionStrategy {
});
}
try{
for(int i=0; i < unassignedJobList.size(); i++){
try {
for (int i = 0; i < unassignedJobList.size(); i++) {
Future<ScoredJob> fsj = completionService.take();
ScoredJob sJob = fsj.get();
if(sJob instanceof RegretInsertion.BadJob){
if (sJob instanceof RegretInsertion.BadJob) {
badJobList.add(sJob.getJob());
continue;
}
if(bestScoredJob == null){
if (bestScoredJob == null) {
bestScoredJob = sJob;
}
else if(sJob.getScore() > bestScoredJob.getScore()){
} else if (sJob.getScore() > bestScoredJob.getScore()) {
bestScoredJob = sJob;
}
}
}
catch(InterruptedException e){
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
}
catch (ExecutionException e) {
} catch (ExecutionException e) {
throw new RuntimeException(e);
}
@ -152,9 +147,4 @@ public class RegretInsertionConcurrent extends AbstractInsertionStrategy {
}
}

46
jsprit-core/src/main/java/jsprit/core/algorithm/ruin/RuinClusters.java
View file

@ -35,7 +35,6 @@ import java.util.*;
* customer are removed randomly from current solution.
*
* @author stefan schroeder
*
*/
public final class RuinClusters extends AbstractRuinStrategy implements IterationStartsListener {
@ -56,10 +55,10 @@ public final class RuinClusters extends AbstractRuinStrategy implements Iteratio
@Override
public double[] getPoint() {
return new double[]{ jobActivity.getLocation().getCoordinate().getX(), jobActivity.getLocation().getCoordinate().getY() };
return new double[]{jobActivity.getLocation().getCoordinate().getX(), jobActivity.getLocation().getCoordinate().getY()};
}
public TourActivity.JobActivity getActivity(){
public TourActivity.JobActivity getActivity() {
return jobActivity;
}
}
@ -96,7 +95,7 @@ public final class RuinClusters extends AbstractRuinStrategy implements Iteratio
/**
* Removes a fraction of jobs from vehicleRoutes.
*
* <p/>
* <p>The number of jobs is calculated as follows: Math.ceil(vrp.getJobs().values().size() * fractionOfAllNodes2beRuined).
*/
@Override
@ -116,36 +115,35 @@ public final class RuinClusters extends AbstractRuinStrategy implements Iteratio
}
private void ruin(Collection<VehicleRoute> vehicleRoutes, int nOfJobs2BeRemoved, List<Job> unassignedJobs) {
if(vrp.getJobs().values().size() == 0) return;
Map<Job,VehicleRoute> mappedRoutes = map(vehicleRoutes);
if (vrp.getJobs().values().size() == 0) return;
Map<Job, VehicleRoute> mappedRoutes = map(vehicleRoutes);
int toRemove = nOfJobs2BeRemoved;
Collection<Job> lastRemoved = new ArrayList<Job>();
Set<VehicleRoute> ruined = new HashSet<VehicleRoute>();
Set<Job> removed = new HashSet<Job>();
Set<VehicleRoute> cycleCandidates = new HashSet<VehicleRoute>();
while(toRemove > 0) {
while (toRemove > 0) {
Job target;
VehicleRoute targetRoute = null;
if(lastRemoved.isEmpty()){
if (lastRemoved.isEmpty()) {
target = RandomUtils.nextJob(vrp.getJobs().values(), random);
targetRoute = mappedRoutes.get(target);
}
else{
} else {
target = RandomUtils.nextJob(lastRemoved, random);
Iterator<Job> neighborIterator = jobNeighborhoods.getNearestNeighborsIterator(nOfJobs2BeRemoved,target);
while(neighborIterator.hasNext()){
Iterator<Job> neighborIterator = jobNeighborhoods.getNearestNeighborsIterator(nOfJobs2BeRemoved, target);
while (neighborIterator.hasNext()) {
Job j = neighborIterator.next();
if(!removed.contains(j) && !ruined.contains(mappedRoutes.get(j))){
if (!removed.contains(j) && !ruined.contains(mappedRoutes.get(j))) {
targetRoute = mappedRoutes.get(j);
break;
}
}
lastRemoved.clear();
}
if(targetRoute == null) break;
if(cycleCandidates.contains(targetRoute)) break;
if(ruined.contains(targetRoute)) {
if (targetRoute == null) break;
if (cycleCandidates.contains(targetRoute)) break;
if (ruined.contains(targetRoute)) {
cycleCandidates.add(targetRoute);
break;
}
@ -154,9 +152,9 @@ public final class RuinClusters extends AbstractRuinStrategy implements Iteratio
dbscan.setMinPts(minPts);
dbscan.setEpsFactor(epsFactor);
List<Job> cluster = dbscan.getRandomCluster(targetRoute);
for(Job j : cluster){
if(toRemove == 0) break;
if(removeJob(j, vehicleRoutes)) {
for (Job j : cluster) {
if (toRemove == 0) break;
if (removeJob(j, vehicleRoutes)) {
lastRemoved.add(j);
unassignedJobs.add(j);
}
@ -168,17 +166,17 @@ public final class RuinClusters extends AbstractRuinStrategy implements Iteratio
private List<JobActivityWrapper> wrap(List<TourActivity> activities) {
List<JobActivityWrapper> wl = new ArrayList<JobActivityWrapper>();
for(TourActivity act : activities){
for (TourActivity act : activities) {
wl.add(new JobActivityWrapper((TourActivity.JobActivity) act));
}
return wl;
}
private Map<Job, VehicleRoute> map(Collection<VehicleRoute> vehicleRoutes) {
Map<Job,VehicleRoute> map = new HashMap<Job, VehicleRoute>(vrp.getJobs().size());
for(VehicleRoute r : vehicleRoutes){
for(Job j : r.getTourActivities().getJobs()){
map.put(j,r);
Map<Job, VehicleRoute> map = new HashMap<Job, VehicleRoute>(vrp.getJobs().size());
for (VehicleRoute r : vehicleRoutes) {
for (Job j : r.getTourActivities().getJobs()) {
map.put(j, r);
}
}
return map;

25
jsprit-core/src/main/java/jsprit/core/problem/constraint/ServiceLoadActivityLevelConstraint.java
View file

@ -25,12 +25,10 @@ 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
*
*/
public class ServiceLoadActivityLevelConstraint implements HardActivityConstraint {
@ -48,26 +46,25 @@ public class ServiceLoadActivityLevelConstraint implements HardActivityConstrain
public ConstraintsStatus fulfilled(JobInsertionContext iFacts, TourActivity prevAct, TourActivity newAct, TourActivity nextAct, double prevActDepTime) {
Capacity futureMaxLoad;
Capacity prevMaxLoad;
if(prevAct instanceof Start){
if (prevAct instanceof Start) {
futureMaxLoad = stateManager.getRouteState(iFacts.getRoute(), InternalStates.MAXLOAD, Capacity.class);
if(futureMaxLoad == null) futureMaxLoad = defaultValue;
if (futureMaxLoad == null) futureMaxLoad = defaultValue;
prevMaxLoad = stateManager.getRouteState(iFacts.getRoute(), InternalStates.LOAD_AT_BEGINNING, Capacity.class);
if(prevMaxLoad == null) prevMaxLoad = defaultValue;
}
else{
if (prevMaxLoad == null) prevMaxLoad = defaultValue;
} else {
futureMaxLoad = stateManager.getActivityState(prevAct, InternalStates.FUTURE_MAXLOAD, Capacity.class);
if(futureMaxLoad == null) futureMaxLoad = defaultValue;
if (futureMaxLoad == null) futureMaxLoad = defaultValue;
prevMaxLoad = stateManager.getActivityState(prevAct, InternalStates.PAST_MAXLOAD, Capacity.class);
if(prevMaxLoad == null) prevMaxLoad = defaultValue;
if (prevMaxLoad == null) prevMaxLoad = defaultValue;
}
if(newAct instanceof PickupService || newAct instanceof ServiceActivity){
if(!Capacity.addup(newAct.getSize(), futureMaxLoad).isLessOrEqual(iFacts.getNewVehicle().getType().getCapacityDimensions())){
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())){
if (newAct instanceof DeliverService) {
if (!Capacity.addup(Capacity.invert(newAct.getSize()), prevMaxLoad).isLessOrEqual(iFacts.getNewVehicle().getType().getCapacityDimensions())) {
return ConstraintsStatus.NOT_FULFILLED_BREAK;
}
}

25
jsprit-core/src/test/java/jsprit/core/algorithm/InitialRoutesTest.java
View file

@ -18,13 +18,6 @@
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;
@ -53,9 +46,13 @@ 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
@ -396,9 +393,9 @@ public class InitialRoutesTest {
}
@Test
public void whenAllJobsInInitialRoute_itShouldWork(){
Service s = Service.Builder.newInstance("s").setLocation(Location.newInstance(0,10)).build();
VehicleImpl v = VehicleImpl.Builder.newInstance("v").setStartLocation(Location.newInstance(0,0)).build();
public void whenAllJobsInInitialRoute_itShouldWork() {
Service s = Service.Builder.newInstance("s").setLocation(Location.newInstance(0, 10)).build();
VehicleImpl v = VehicleImpl.Builder.newInstance("v").setStartLocation(Location.newInstance(0, 0)).build();
VehicleRoute iniRoute = VehicleRoute.Builder.newInstance(v).addService(s).build();
VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addInitialVehicleRoute(iniRoute).build();
VehicleRoutingAlgorithm vra = Jsprit.createAlgorithm(vrp);
@ -409,11 +406,11 @@ public class InitialRoutesTest {
@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();
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();
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);

3
jsprit-core/src/test/resources/finiteVrpWithInitialSolutionForWriterTest.xml
View file

@ -1,7 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<problem xmlns="http://www.w3schools.com"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.w3schools.com vrp_xml_schema.xsd">
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.w3schools.com vrp_xml_schema.xsd">
<problemType>
<fleetSize>FINITE</fleetSize>
</problemType>

3
jsprit-core/src/test/resources/infiniteWriterV2Test.xml
View file

@ -1,7 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<problem xmlns="http://www.w3schools.com"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.w3schools.com vrp_xml_schema.xsd">
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.w3schools.com vrp_xml_schema.xsd">
<problemType>
<fleetSize>INFINITE</fleetSize>
</problemType>