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This commit is contained in:
oblonski 2014-08-06 22:34:17 +02:00
commit 80b77f1a42
3 changed files with 81 additions and 3 deletions

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@ -746,7 +746,7 @@ public class VehicleRoutingAlgorithms {
private static SolutionSelector getSelector(HierarchicalConfiguration strategyConfig, VehicleRoutingProblem vrp, Set<PrioritizedVRAListener> algorithmListeners, TypedMap definedSelectors) {
String selectorName = strategyConfig.getString("selector[@name]");
if(selectorName == null) throw new IllegalStateException("no solutionSelector defined. define either \"selectRandom\" or \"selectBest\"");
if(selectorName == null) throw new IllegalStateException("no solutionSelector defined. define either \"selectRandomly\" or \"selectBest\"");
String selectorId = strategyConfig.getString("selector[@id]");
if(selectorId == null) selectorId="noId";
ModKey modKey = makeKey(selectorName,selectorId);
@ -755,7 +755,7 @@ public class VehicleRoutingAlgorithms {
if(definedSelector != null) {
return definedSelector;
}
if(selectorName.equals("selectRandom")){
if(selectorName.equals("selectRandomly")){
SelectRandomly selector = SelectRandomly.getInstance();
definedSelectors.put(selectorKey, selector);
return selector;
@ -765,7 +765,7 @@ public class VehicleRoutingAlgorithms {
definedSelectors.put(selectorKey, selector);
return selector;
}
throw new IllegalStateException("solutionSelector is not know. Currently, it only knows \"selectRandom\" and \"selectBest\"");
throw new IllegalStateException("solutionSelector is not know. Currently, it only knows \"selectRandomly\" and \"selectBest\"");
}
private static ModKey makeKey(String name, String id){

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@ -0,0 +1,24 @@
package jsprit.core.algorithm;
import jsprit.core.algorithm.io.VehicleRoutingAlgorithms;
import jsprit.core.problem.VehicleRoutingProblem;
import jsprit.core.problem.io.VrpXMLReader;
import org.junit.Test;
import static org.junit.Assert.fail;
public class SelectRandomlyTest {
@Test
public void loadAnAlgorithmWithSelectRandomly() {
VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance();
new VrpXMLReader(vrpBuilder).read("src/test/resources/simpleProblem.xml");
VehicleRoutingProblem vrp = vrpBuilder.build();
try {
VehicleRoutingAlgorithms.readAndCreateAlgorithm(vrp, "src/test/resources/algorithmConfig_selectRandomly.xml");
} catch (Exception e) {
e.printStackTrace();
fail("Should be able to load an algorithm that uses <selector name=\"selectRandomly\"/>: " + e.getMessage());
}
}
}

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@ -0,0 +1,54 @@
<?xml version="1.0" encoding="UTF-8"?>
<!--
Copyright (C) 2013 Stefan Schroeder
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
Contributors:
Stefan Schroeder - initial API and implementation
-->
<algorithm xmlns="http://www.w3schools.com"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.w3schools.com algorithm_schema.xsd">
<iterations>2000</iterations>
<construction>
<insertion name="bestInsertion"/>
</construction>
<strategy>
<memory>1</memory>
<searchStrategies>
<searchStrategy name="selectRandomlyRandomRuinAndRecreate">
<selector name="selectRandomly"/>
<acceptor name="acceptNewRemoveWorst"/>
<modules>
<module name="ruin_and_recreate">
<ruin name="randomRuin">
<share>0.5</share>
</ruin>
<insertion name="bestInsertion"/>
</module>
</modules>
<probability>1</probability>
</searchStrategy>
</searchStrategies>
</strategy>
</algorithm>