mirror of
https://github.com/graphhopper/jsprit.git
synced 2020-01-24 07:45:05 +01:00
change algorithmReader to allow concurrency
This commit is contained in:
oblonski
parent
cdf4878bf9
commit
277ffdb51a
9 changed files with 317 additions and 208 deletions
|
|
@ -30,10 +30,6 @@ import basics.route.VehicleRoute;
|
|||
|
||||
|
||||
/**
|
||||
* Simplest recreation strategy. All removed customers are inserted where
|
||||
* insertion costs are minimal. I.e. each tour-agent is asked for minimal
|
||||
* marginal insertion costs. The tour-agent offering the lowest marginal
|
||||
* insertion costs gets the customer/shipment.
|
||||
*
|
||||
* @author stefan schroeder
|
||||
*
|
||||
|
|
|
|||
|
|
@ -35,10 +35,6 @@ import basics.route.VehicleRoute;
|
|||
|
||||
|
||||
/**
|
||||
* Simplest recreation strategy. All removed customers are inserted where
|
||||
* insertion costs are minimal. I.e. each tour-agent is asked for minimal
|
||||
* marginal insertion costs. The tour-agent offering the lowest marginal
|
||||
* insertion costs gets the customer/shipment.
|
||||
*
|
||||
* @author stefan schroeder
|
||||
*
|
||||
|
|
@ -46,6 +42,9 @@ import basics.route.VehicleRoute;
|
|||
|
||||
final class BestInsertionConcurrent extends AbstractInsertionStrategy{
|
||||
|
||||
public static BestInsertionConcurrent newInstance(RouteAlgorithm routeAlgorithm, ExecutorService executor, int nuOfThreads){
|
||||
return new BestInsertionConcurrent(routeAlgorithm, executor, nuOfThreads);
|
||||
}
|
||||
|
||||
static class Batch {
|
||||
List<VehicleRoute> routes = new ArrayList<VehicleRoute>();
|
||||
|
|
@ -68,7 +67,7 @@ final class BestInsertionConcurrent extends AbstractInsertionStrategy{
|
|||
this.random = random;
|
||||
}
|
||||
|
||||
public BestInsertionConcurrent(RouteAlgorithm routeAlgorithm, ExecutorService executor, int nuOfThreads) {
|
||||
private BestInsertionConcurrent(RouteAlgorithm routeAlgorithm, ExecutorService executor, int nuOfThreads) {
|
||||
super();
|
||||
this.routeAlgorithm = routeAlgorithm;
|
||||
// this.executor = executor;
|
||||
|
|
@ -87,7 +86,6 @@ final class BestInsertionConcurrent extends AbstractInsertionStrategy{
|
|||
List<Job> unassignedJobList = new ArrayList<Job>(unassignedJobs);
|
||||
Collections.shuffle(unassignedJobList, random);
|
||||
informInsertionStarts(vehicleRoutes,unassignedJobs.size());
|
||||
|
||||
int inserted = 0;
|
||||
for(final Job unassignedJob : unassignedJobList){
|
||||
VehicleRoute insertIn = null;
|
||||
|
|
@ -135,20 +133,20 @@ final class BestInsertionConcurrent extends AbstractInsertionStrategy{
|
|||
routeAlgorithm.insertJob(unassignedJob, bestInsertion.getInsertionData(), bestInsertion.getRoute());
|
||||
}
|
||||
else {
|
||||
VehicleRoute newRoute = VehicleRoute.emptyRoute();
|
||||
InsertionData bestI = routeAlgorithm.calculateBestInsertion(newRoute, unassignedJob, Double.MAX_VALUE);
|
||||
if(bestI instanceof InsertionData.NoInsertionFound)
|
||||
throw new IllegalStateException("given the vehicles, could not create a valid solution.\n\tthe reason might be" +
|
||||
// VehicleRoute newRoute = VehicleRoute.emptyRoute();
|
||||
// InsertionData bestI = routeAlgorithm.calculateBestInsertion(newRoute, unassignedJob, Double.MAX_VALUE);
|
||||
// if(bestI instanceof InsertionData.NoInsertionFound)
|
||||
throw new IllegalStateException("given the vehicles, could not create a valid solution.\n\tthe reason might be" +
|
||||
" inappropriate vehicle capacity.\n\tthe job that does not fit in any vehicle anymore is \n\t" + unassignedJob);
|
||||
insertIn = newRoute;
|
||||
informBeforeJobInsertion(unassignedJob,bestI,newRoute);
|
||||
routeAlgorithm.insertJob(unassignedJob,bestI,newRoute);
|
||||
vehicleRoutes.add(newRoute);
|
||||
// insertIn = newRoute;
|
||||
// informBeforeJobInsertion(unassignedJob,bestI,newRoute);
|
||||
// routeAlgorithm.insertJob(unassignedJob,bestI,newRoute);
|
||||
// vehicleRoutes.add(newRoute);
|
||||
}
|
||||
inserted++;
|
||||
informJobInserted((unassignedJobList.size()-inserted), unassignedJob, insertIn);
|
||||
}
|
||||
|
||||
informInsertionEndsListeners(vehicleRoutes);
|
||||
}
|
||||
|
||||
private Insertion getBestInsertion(Batch batch, Job unassignedJob) {
|
||||
|
|
@ -168,12 +166,22 @@ final class BestInsertionConcurrent extends AbstractInsertionStrategy{
|
|||
private List<Batch> distributeRoutes(Collection<VehicleRoute> vehicleRoutes, int nuOfBatches) {
|
||||
List<Batch> batches = new ArrayList<Batch>();
|
||||
for(int i=0;i<nuOfBatches;i++) batches.add(new Batch());
|
||||
if(vehicleRoutes.size()<nuOfBatches){
|
||||
int nOfNewRoutes = nuOfBatches-vehicleRoutes.size();
|
||||
for(int i=0;i<nOfNewRoutes;i++){
|
||||
vehicleRoutes.add(VehicleRoute.emptyRoute());
|
||||
}
|
||||
}
|
||||
/*
|
||||
* if route.size < nuOfBatches add as much routes as empty batches are available
|
||||
* else add one empty route anyway
|
||||
*/
|
||||
// if(vehicleRoutes.size()<nuOfBatches){
|
||||
// int nOfNewRoutes = nuOfBatches-vehicleRoutes.size();
|
||||
// for(int i=0;i<nOfNewRoutes;i++){
|
||||
// vehicleRoutes.add(VehicleRoute.emptyRoute());
|
||||
// }
|
||||
// }
|
||||
// else{
|
||||
vehicleRoutes.add(VehicleRoute.emptyRoute());
|
||||
// }
|
||||
/*
|
||||
* distribute routes to batches equally
|
||||
*/
|
||||
int count = 0;
|
||||
for(VehicleRoute route : vehicleRoutes){
|
||||
if(count == nuOfBatches) count=0;
|
||||
|
|
|
|||
|
|
@ -22,6 +22,7 @@ package algorithms;
|
|||
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
import java.util.concurrent.ExecutorService;
|
||||
|
||||
import org.apache.commons.configuration.HierarchicalConfiguration;
|
||||
import org.apache.commons.configuration.XMLConfiguration;
|
||||
|
|
@ -37,8 +38,9 @@ class InsertionFactory {
|
|||
private static Logger log = Logger.getLogger(InsertionFactory.class);
|
||||
|
||||
public static AbstractInsertionStrategy createInsertion(VehicleRoutingProblem vrp, HierarchicalConfiguration config,
|
||||
VehicleFleetManager vehicleFleetManager, RouteStates activityStates, List<PrioritizedVRAListener> algorithmListeners){
|
||||
|
||||
VehicleFleetManager vehicleFleetManager, RouteStates activityStates, List<PrioritizedVRAListener> algorithmListeners, ExecutorService executorService, int nuOfThreads){
|
||||
boolean concurrentInsertion = false;
|
||||
if(executorService != null) concurrentInsertion = true;
|
||||
if(config.containsKey("[@name]")){
|
||||
String insertionName = config.getString("[@name]");
|
||||
if(!insertionName.equals("bestInsertion") && !insertionName.equals("regretInsertion")){
|
||||
|
|
@ -98,7 +100,12 @@ class InsertionFactory {
|
|||
((RouteAlgorithmImpl) routeAlgorithm).setActivityStates(activityStates);
|
||||
|
||||
if(insertionName.equals("bestInsertion")){
|
||||
insertionStrategy = BestInsertion.newInstance(routeAlgorithm);
|
||||
if(concurrentInsertion){
|
||||
insertionStrategy = BestInsertionConcurrent.newInstance(routeAlgorithm,executorService,nuOfThreads);
|
||||
}
|
||||
else{
|
||||
insertionStrategy = BestInsertion.newInstance(routeAlgorithm);
|
||||
}
|
||||
}
|
||||
else if(insertionName.equals("regretInsertion")){
|
||||
insertionStrategy = RegretInsertion.newInstance(routeAlgorithm);
|
||||
|
|
|
|||
|
|
@ -29,6 +29,7 @@ import java.util.HashSet;
|
|||
import java.util.List;
|
||||
import java.util.Map;
|
||||
import java.util.Set;
|
||||
import java.util.concurrent.ExecutorService;
|
||||
|
||||
import org.apache.commons.configuration.HierarchicalConfiguration;
|
||||
import org.apache.commons.configuration.XMLConfiguration;
|
||||
|
|
@ -63,7 +64,6 @@ import basics.algo.VehicleRoutingAlgorithmListeners.PrioritizedVRAListener;
|
|||
import basics.algo.VehicleRoutingAlgorithmListeners.Priority;
|
||||
import basics.io.AlgorithmConfig;
|
||||
import basics.io.AlgorithmConfigXmlReader;
|
||||
import basics.route.VehicleRoute;
|
||||
|
||||
|
||||
|
||||
|
|
@ -367,12 +367,12 @@ public class VehicleRoutingAlgorithms {
|
|||
* @return {@link VehicleRoutingAlgorithm}
|
||||
*/
|
||||
public static VehicleRoutingAlgorithm createAlgorithm(final VehicleRoutingProblem vrp, final AlgorithmConfig algorithmConfig){
|
||||
return createAlgo(vrp,algorithmConfig.getXMLConfiguration());
|
||||
return createAlgo(vrp,algorithmConfig.getXMLConfiguration(),null,0);
|
||||
}
|
||||
|
||||
@Deprecated
|
||||
public static VehicleRoutingAlgorithm readAndCreateAlgorithm(final VehicleRoutingProblem vrp, final XMLConfiguration config){
|
||||
return createAlgo(vrp,config);
|
||||
return createAlgo(vrp,config,null,0);
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -386,7 +386,7 @@ public class VehicleRoutingAlgorithms {
|
|||
AlgorithmConfig algorithmConfig = new AlgorithmConfig();
|
||||
AlgorithmConfigXmlReader xmlReader = new AlgorithmConfigXmlReader(algorithmConfig);
|
||||
xmlReader.read(configURL);
|
||||
return createAlgo(vrp,algorithmConfig.getXMLConfiguration());
|
||||
return createAlgo(vrp,algorithmConfig.getXMLConfiguration(),null,0);
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -400,11 +400,27 @@ public class VehicleRoutingAlgorithms {
|
|||
AlgorithmConfig algorithmConfig = new AlgorithmConfig();
|
||||
AlgorithmConfigXmlReader xmlReader = new AlgorithmConfigXmlReader(algorithmConfig);
|
||||
xmlReader.read(configFileName);
|
||||
return createAlgo(vrp,algorithmConfig.getXMLConfiguration());
|
||||
return createAlgo(vrp,algorithmConfig.getXMLConfiguration(),null, 0);
|
||||
}
|
||||
|
||||
/**
|
||||
* Read and creates {@link VehicleRoutingAlgorithm} from config-file.
|
||||
*
|
||||
* @param vrp
|
||||
* @param configFileName
|
||||
* @param nuOfThreads TODO
|
||||
* @param {@link ExecutorService}
|
||||
* @return {@link VehicleRoutingAlgorithm}
|
||||
*/
|
||||
public static VehicleRoutingAlgorithm readAndCreateConcurrentAlgorithm(final VehicleRoutingProblem vrp, final String configFileName, final ExecutorService executorService, int nuOfThreads){
|
||||
AlgorithmConfig algorithmConfig = new AlgorithmConfig();
|
||||
AlgorithmConfigXmlReader xmlReader = new AlgorithmConfigXmlReader(algorithmConfig);
|
||||
xmlReader.read(configFileName);
|
||||
return createAlgo(vrp,algorithmConfig.getXMLConfiguration(), executorService, nuOfThreads);
|
||||
}
|
||||
|
||||
private static VehicleRoutingAlgorithm createAlgo(final VehicleRoutingProblem vrp, XMLConfiguration config){
|
||||
|
||||
private static VehicleRoutingAlgorithm createAlgo(final VehicleRoutingProblem vrp, XMLConfiguration config, ExecutorService executorService, int nuOfThreads){
|
||||
|
||||
//fleetmanager
|
||||
final VehicleFleetManager vehicleFleetManager;
|
||||
if(vrp.getFleetSize().equals(FleetSize.INFINITE)){
|
||||
|
|
@ -433,7 +449,7 @@ public class VehicleRoutingAlgorithms {
|
|||
/*
|
||||
* initial solution - construction
|
||||
*/
|
||||
AlgorithmStartsListener createInitialSolution = createInitialSolution(config,vrp,vehicleFleetManager,routeStates,algorithmListeners,definedClasses);
|
||||
AlgorithmStartsListener createInitialSolution = createInitialSolution(config,vrp,vehicleFleetManager,routeStates,algorithmListeners,definedClasses,executorService,nuOfThreads);
|
||||
if(createInitialSolution != null) algorithmListeners.add(new PrioritizedVRAListener(Priority.MEDIUM, createInitialSolution));
|
||||
|
||||
int solutionMemory = config.getInt("strategy.memory");
|
||||
|
|
@ -447,7 +463,7 @@ public class VehicleRoutingAlgorithms {
|
|||
strategy.setName(name);
|
||||
List<HierarchicalConfiguration> modulesConfig = strategyConfig.configurationsAt("modules.module");
|
||||
for(HierarchicalConfiguration moduleConfig : modulesConfig){
|
||||
SearchStrategyModule module = buildModule(moduleConfig,vrp,vehicleFleetManager,routeStates,algorithmListeners,definedClasses);
|
||||
SearchStrategyModule module = buildModule(moduleConfig,vrp,vehicleFleetManager,routeStates,algorithmListeners,definedClasses,executorService,nuOfThreads);
|
||||
strategy.addModule(module);
|
||||
}
|
||||
searchStratManager.addStrategy(strategy, strategyConfig.getDouble("probability"));
|
||||
|
|
@ -487,7 +503,7 @@ public class VehicleRoutingAlgorithms {
|
|||
metaAlgorithm.getAlgorithmListeners().addAll(algorithmListeners);
|
||||
}
|
||||
|
||||
private static AlgorithmStartsListener createInitialSolution(XMLConfiguration config, final VehicleRoutingProblem vrp, VehicleFleetManager vehicleFleetManager, RouteStates activityStates, Set<PrioritizedVRAListener> algorithmListeners, TypedMap definedClasses) {
|
||||
private static AlgorithmStartsListener createInitialSolution(XMLConfiguration config, final VehicleRoutingProblem vrp, VehicleFleetManager vehicleFleetManager, RouteStates activityStates, Set<PrioritizedVRAListener> algorithmListeners, TypedMap definedClasses, ExecutorService executorService, int nuOfThreads) {
|
||||
List<HierarchicalConfiguration> modConfigs = config.configurationsAt("construction.insertion");
|
||||
if(modConfigs == null) return null;
|
||||
if(modConfigs.isEmpty()) return null;
|
||||
|
|
@ -502,7 +518,7 @@ public class VehicleRoutingAlgorithms {
|
|||
AbstractInsertionStrategy insertionStrategy = definedClasses.get(insertionStrategyKey);
|
||||
if(insertionStrategy == null){
|
||||
List<PrioritizedVRAListener> prioListeners = new ArrayList<PrioritizedVRAListener>();
|
||||
insertionStrategy = createInsertionStrategy(modConfig, vrp, vehicleFleetManager, activityStates, prioListeners);
|
||||
insertionStrategy = createInsertionStrategy(modConfig, vrp, vehicleFleetManager, activityStates, prioListeners, executorService, nuOfThreads);
|
||||
algorithmListeners.addAll(prioListeners);
|
||||
definedClasses.put(insertionStrategyKey,insertionStrategy);
|
||||
}
|
||||
|
|
@ -584,7 +600,7 @@ public class VehicleRoutingAlgorithms {
|
|||
}
|
||||
|
||||
private static SearchStrategyModule buildModule(HierarchicalConfiguration moduleConfig, VehicleRoutingProblem vrp, VehicleFleetManager vehicleFleetManager,
|
||||
RouteStates activityStates, Set<PrioritizedVRAListener> algorithmListeners, TypedMap definedClasses) {
|
||||
RouteStates activityStates, Set<PrioritizedVRAListener> algorithmListeners, TypedMap definedClasses, ExecutorService executorService, int nuOfThreads) {
|
||||
String moduleName = moduleConfig.getString("[@name]");
|
||||
if(moduleName == null) throw new IllegalStateException("module(-name) is missing.");
|
||||
String moduleId = moduleConfig.getString("[@id]");
|
||||
|
|
@ -633,7 +649,7 @@ public class VehicleRoutingAlgorithms {
|
|||
List<HierarchicalConfiguration> insertionConfigs = moduleConfig.configurationsAt("insertion");
|
||||
if(insertionConfigs.size() != 1) throw new IllegalStateException("this should be 1");
|
||||
List<PrioritizedVRAListener> prioListeners = new ArrayList<PrioritizedVRAListener>();
|
||||
insertion = createInsertionStrategy(insertionConfigs.get(0), vrp, vehicleFleetManager, activityStates, prioListeners);
|
||||
insertion = createInsertionStrategy(insertionConfigs.get(0), vrp, vehicleFleetManager, activityStates, prioListeners, executorService, nuOfThreads);
|
||||
algorithmListeners.addAll(prioListeners);
|
||||
}
|
||||
final AbstractInsertionStrategy final_insertion = insertion;
|
||||
|
|
@ -676,51 +692,6 @@ public class VehicleRoutingAlgorithms {
|
|||
return module;
|
||||
}
|
||||
|
||||
// if(moduleName.equals("bestInsertion") || moduleName.equals("regretInsertion")){
|
||||
// List<PrioritizedVRAListener> prioListeners = new ArrayList<PrioritizedVRAListener>();
|
||||
// AbstractInsertionStrategy insertion = getInsertionStrategy(moduleConfig, vrp, vehicleFleetManager, activityStates,
|
||||
// definedClasses, modKey, prioListeners);
|
||||
// SearchStrategyModule module = getModule(moduleName, insertion, vrp);
|
||||
// definedClasses.put(strategyModuleKey, module);
|
||||
// algorithmListeners.addAll(prioListeners);
|
||||
// return module;
|
||||
// }
|
||||
// if(moduleName.equals("regretInsertion")){
|
||||
// List<PrioritizedVRAListener> prioListeners = new ArrayList<PrioritizedVRAListener>();
|
||||
// AbstractInsertionKey insertionKey = new AbstractInsertionKey(modKey);
|
||||
// AbstractInsertionStrategy regretInsertion = definedClasses.get(insertionKey);
|
||||
// if(regretInsertion == null){
|
||||
// regretInsertion = createInsertionStrategy(moduleConfig,vrp,vehicleFleetManager,activityStates,prioListeners);
|
||||
// }
|
||||
// SearchStrategyModule module = getModule(moduleName, regretInsertion, vrp);
|
||||
// definedClasses.put(strategyModuleKey, module);
|
||||
// algorithmListeners.addAll(prioListeners);
|
||||
// return module;
|
||||
// }
|
||||
// if(moduleName.equals("randomRuin")){
|
||||
// double shareToRuin = moduleConfig.getDouble("share");
|
||||
// RuinStrategy ruin = getRandomRuin(vrp, activityStates,definedClasses, modKey, shareToRuin);
|
||||
// SearchStrategyModule module = getModule(moduleName, ruin);
|
||||
// definedClasses.put(strategyModuleKey, module);
|
||||
// return module;
|
||||
// }
|
||||
// if(moduleName.equals("radialRuin")){
|
||||
// double shareToRuin = moduleConfig.getDouble("share");
|
||||
// String ruin_distance = moduleConfig.getString("distance");
|
||||
// JobDistance jobDistance;
|
||||
// if(ruin_distance == null) jobDistance = new JobDistanceAvgCosts(vrp.getTransportCosts());
|
||||
// else {
|
||||
// if(ruin_distance.equals("euclidean")){
|
||||
// jobDistance = new EuclideanServiceDistance();
|
||||
// }
|
||||
// else throw new IllegalStateException("does not know ruin.distance " + ruin_distance + ". either ommit ruin.distance then the "
|
||||
// + "default is used or use 'euclidean'");
|
||||
// }
|
||||
// RuinStrategy ruin = getRadialRuin(vrp, activityStates,definedClasses, modKey, shareToRuin, jobDistance);
|
||||
// SearchStrategyModule module = getModule(moduleName, ruin);
|
||||
// definedClasses.put(strategyModuleKey, module);
|
||||
// return module;
|
||||
// }
|
||||
if(moduleName.equals("gendreauPostOpt")){
|
||||
int iterations = moduleConfig.getInt("iterations");
|
||||
double share = moduleConfig.getDouble("share");
|
||||
|
|
@ -747,7 +718,7 @@ public class VehicleRoutingAlgorithms {
|
|||
List<HierarchicalConfiguration> insertionConfigs = moduleConfig.configurationsAt("insertion");
|
||||
if(insertionConfigs.size() != 1) throw new IllegalStateException("this should be 1");
|
||||
List<PrioritizedVRAListener> prioListeners = new ArrayList<PrioritizedVRAListener>();
|
||||
insertion = createInsertionStrategy(insertionConfigs.get(0), vrp, vehicleFleetManager, activityStates, prioListeners);
|
||||
insertion = createInsertionStrategy(insertionConfigs.get(0), vrp, vehicleFleetManager, activityStates, prioListeners, executorService, nuOfThreads);
|
||||
algorithmListeners.addAll(prioListeners);
|
||||
}
|
||||
GendreauPostOpt postOpt = new GendreauPostOpt(vrp, ruin, insertion);
|
||||
|
|
@ -766,17 +737,6 @@ public class VehicleRoutingAlgorithms {
|
|||
"\n\tgendreauPostOpt");
|
||||
}
|
||||
|
||||
private static AbstractInsertionStrategy getInsertionStrategy(HierarchicalConfiguration moduleConfig, VehicleRoutingProblem vrp,VehicleFleetManager vehicleFleetManager,
|
||||
RouteStates activityStates, TypedMap definedClasses,
|
||||
ModKey modKey, List<PrioritizedVRAListener> prioListeners) {
|
||||
AbstractInsertionKey insertionKey = new AbstractInsertionKey(modKey);
|
||||
AbstractInsertionStrategy bestInsertion = definedClasses.get(insertionKey);
|
||||
if(bestInsertion == null){
|
||||
bestInsertion = createInsertionStrategy(moduleConfig,vrp,vehicleFleetManager,activityStates,prioListeners);
|
||||
}
|
||||
return bestInsertion;
|
||||
}
|
||||
|
||||
private static RuinStrategy getRadialRuin(VehicleRoutingProblem vrp, RouteStates activityStates, TypedMap definedClasses, ModKey modKey, double shareToRuin, JobDistance jobDistance) {
|
||||
RuinStrategyKey stratKey = new RuinStrategyKey(modKey);
|
||||
RuinStrategy ruin = definedClasses.get(stratKey);
|
||||
|
|
@ -799,115 +759,10 @@ public class VehicleRoutingAlgorithms {
|
|||
return ruin;
|
||||
}
|
||||
|
||||
private static AbstractInsertionStrategy createInsertionStrategy(HierarchicalConfiguration moduleConfig, VehicleRoutingProblem vrp,VehicleFleetManager vehicleFleetManager, RouteStates activityStates, List<PrioritizedVRAListener> algorithmListeners) {
|
||||
AbstractInsertionStrategy insertion = InsertionFactory.createInsertion(vrp, moduleConfig, vehicleFleetManager, activityStates, algorithmListeners);
|
||||
private static AbstractInsertionStrategy createInsertionStrategy(HierarchicalConfiguration moduleConfig, VehicleRoutingProblem vrp,VehicleFleetManager vehicleFleetManager, RouteStates activityStates, List<PrioritizedVRAListener> algorithmListeners, ExecutorService executorService, int nuOfThreads) {
|
||||
AbstractInsertionStrategy insertion = InsertionFactory.createInsertion(vrp, moduleConfig, vehicleFleetManager, activityStates, algorithmListeners, executorService, nuOfThreads);
|
||||
return insertion;
|
||||
}
|
||||
|
||||
private static SearchStrategyModule getModule(final String moduleName, final AbstractInsertionStrategy insertion, final VehicleRoutingProblem vrp){
|
||||
|
||||
return new SearchStrategyModule() {
|
||||
|
||||
private Logger logger = Logger.getLogger(SearchStrategyModule.class);
|
||||
|
||||
@Override
|
||||
public VehicleRoutingProblemSolution runAndGetSolution(VehicleRoutingProblemSolution vrpSolution) {
|
||||
List<Job> unassignedJobs = getUnassignedJobs(vrpSolution,vrp);
|
||||
// logger.info("unassigned: " + unassignedJobs.size());
|
||||
insertion.run(vrpSolution.getRoutes(), unassignedJobs, Double.MAX_VALUE);
|
||||
int jobsInSolution = countJobs(vrpSolution);
|
||||
double penalty = 0.0;
|
||||
if(jobsInSolution != vrp.getJobs().values().size()){
|
||||
throw new IllegalStateException("solution not valid\n" + "#jobsInSolution=" + jobsInSolution + " #jobsInVrp=" + vrp.getJobs().values().size());
|
||||
}
|
||||
double totalCost = RouteUtils.getTotalCost(vrpSolution.getRoutes());
|
||||
vrpSolution.setCost(totalCost + penalty);
|
||||
return vrpSolution;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return "[name="+insertion+"]";
|
||||
}
|
||||
|
||||
private int countJobs(VehicleRoutingProblemSolution vrpSolution) {
|
||||
int counter = 0;
|
||||
for(VehicleRoute route : vrpSolution.getRoutes()){
|
||||
counter += route.getTourActivities().jobSize();
|
||||
}
|
||||
return counter;
|
||||
}
|
||||
|
||||
private List<Job> getUnassignedJobs(VehicleRoutingProblemSolution vrpSolution,VehicleRoutingProblem vrp) {
|
||||
List<Job> unassignedJobs = new ArrayList<Job>();
|
||||
for(Job j : vrp.getJobs().values()){
|
||||
boolean notAssigned = true;
|
||||
for(VehicleRoute r : vrpSolution.getRoutes()){
|
||||
if(r.getTourActivities().servesJob(j)){
|
||||
notAssigned = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if(notAssigned){
|
||||
unassignedJobs.add(j);
|
||||
}
|
||||
}
|
||||
return unassignedJobs;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getName() {
|
||||
return moduleName;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void addModuleListener(SearchStrategyModuleListener moduleListener) {
|
||||
if(moduleListener instanceof InsertionListener){
|
||||
InsertionListener iListener = (InsertionListener) moduleListener;
|
||||
if(!insertion.getListener().contains(iListener)){
|
||||
logger.info("register moduleListener " + moduleListener);
|
||||
insertion.addListener(iListener);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
// private static SearchStrategyModule getModule(final String moduleName, final RuinStrategy ruin) {
|
||||
//
|
||||
//
|
||||
// return new SearchStrategyModule() {
|
||||
//
|
||||
// private Logger logger = Logger.getLogger(SearchStrategyModule.class);
|
||||
//
|
||||
// @Override
|
||||
// public VehicleRoutingProblemSolution runAndGetSolution(VehicleRoutingProblemSolution vrpSolution) {
|
||||
// ruin.ruin(vrpSolution.getRoutes());
|
||||
// return vrpSolution;
|
||||
// }
|
||||
//
|
||||
// @Override
|
||||
// public String toString() {
|
||||
// return "[name="+ruin+"]";
|
||||
// }
|
||||
//
|
||||
// @Override
|
||||
// public String getName() {
|
||||
// return moduleName;
|
||||
// }
|
||||
//
|
||||
// @Override
|
||||
// public void addModuleListener(SearchStrategyModuleListener moduleListener) {
|
||||
// // TODO Auto-generated method stub
|
||||
//
|
||||
// }
|
||||
//
|
||||
// };
|
||||
// }
|
||||
|
||||
|
||||
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue