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Code Issues Releases Wiki Activity

enable search with different insertion strategies

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This commit is contained in:
oblonski 2014-12-10 21:03:30 +01:00
parent 593cd5e841
commit 51c14afd73
5 changed files with 16 additions and 9 deletions
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6
jsprit-core/src/main/java/jsprit/core/algorithm/PrettyAlgorithmBuilder.java
View file

@ -135,10 +135,14 @@ public class PrettyAlgorithmBuilder {
}
private void searchSchrimpfAndRegister(VehicleRoutingAlgorithm vra) {
boolean schrimpfAdded = false;
for(SearchStrategy strategy : vra.getSearchStrategyManager().getStrategies()){
SolutionAcceptor acceptor = strategy.getSolutionAcceptor();
if(acceptor instanceof SchrimpfAcceptance){
vra.addListener((SchrimpfAcceptance)acceptor);
if(!schrimpfAdded) {
vra.addListener((SchrimpfAcceptance) acceptor);
schrimpfAdded = true;
}
}
}
}

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

@ -70,7 +70,7 @@ public class SearchStrategyManager {
throw new IllegalStateException("strategy is null. make sure adding a valid strategy.");
}
if(id2index.keySet().contains(strategy.getId())){
throw new IllegalStateException("strategyId " + strategy.getId() + " already in use");
throw new IllegalStateException("strategyId " + strategy.getId() + " already in use. replace strateId in your config file or code with a unique strategy id");
}
if(weight < 0.0){
throw new IllegalStateException("weight is lower than zero.");

3
jsprit-core/src/main/java/jsprit/core/algorithm/io/VehicleRoutingAlgorithms.java
View file

@ -612,6 +612,9 @@ public class VehicleRoutingAlgorithms {
if(termination != null) metaAlgorithm.addTerminationCriterion(termination);
}
}
for(PrioritizedVRAListener l : algorithmListeners){
metaAlgorithm.getAlgorithmListeners().add(l);
}
return metaAlgorithm;
}

6
jsprit-examples/input/algorithmConfig.xml
View file

@ -31,7 +31,7 @@
<strategy>
<memory>1</memory>
<searchStrategies>
<searchStrategy name="radialRuinAndRecreate">
<searchStrategy name="randomRR">
<selector name="selectBest"/>
<acceptor name="schrimpfAcceptance">
<alpha>0.2</alpha>
@ -49,7 +49,7 @@
<probability>0.2</probability>
</searchStrategy>
<searchStrategy name="radialRuinAndRecreate">
<searchStrategy name="radialRR">
<selector name="selectBest"/>
<acceptor name="schrimpfAcceptance"/>
@ -65,7 +65,7 @@
<probability>0.2</probability>
</searchStrategy>
<searchStrategy name="radialRuinAndRecreate">
<searchStrategy name="smallRadialRR">
<selector name="selectBest"/>
<acceptor name="schrimpfAcceptance"/>
<modules>

8
jsprit-examples/input/algorithmConfig_greedyWithRegret.xml
View file

@ -32,7 +32,7 @@
<memory>1</memory>
<searchStrategies>
<searchStrategy name="randomRuinAndRecreate">
<searchStrategy name="randomRR">
<selector name="selectBest"/>
<acceptor name="greedyAcceptance"/>
<modules>
@ -40,13 +40,13 @@
<ruin name="randomRuin">
<share>0.5</share>
</ruin>
<insertion name="bestInsertion"/>
<insertion name="regretInsertion"/>
</module>
</modules>
<probability>0.5</probability>
</searchStrategy>
<searchStrategy name="radialRuinAndRecreate">
<searchStrategy name="radialRR">
<selector name="selectBest"/>
<acceptor name="greedyAcceptance"/>
<modules>
@ -54,7 +54,7 @@
<ruin name="radialRuin">
<share>0.3</share>
</ruin>
<insertion name="bestInsertion"/>
<insertion name="regretInsertion"/>
</module>
</modules>
<probability>0.5</probability>