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Code Issues Releases Wiki Activity

bugfix issue #23

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This commit is contained in:
oblonski 2013-07-13 19:03:19 +02:00
parent 4dc9385219
commit 13a9122df1
1 changed files with 10 additions and 3 deletions
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11
jsprit-core/src/main/java/basics/algo/VariationCoefficientBreaker.java
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@ -28,12 +28,14 @@ import org.apache.commons.math.stat.descriptive.moment.Mean;
import org.apache.commons.math.stat.descriptive.moment.StandardDeviation; import org.apache.commons.math.stat.descriptive.moment.StandardDeviation;
import org.apache.log4j.Logger; import org.apache.log4j.Logger;
import util.Solutions;
import basics.VehicleRoutingAlgorithm; import basics.VehicleRoutingAlgorithm;
import basics.VehicleRoutingProblem; import basics.VehicleRoutingProblem;
import basics.VehicleRoutingProblemSolution; import basics.VehicleRoutingProblemSolution;
import basics.algo.SearchStrategy.DiscoveredSolution; import basics.algo.SearchStrategy.DiscoveredSolution;
public class VariationCoefficientBreaker implements PrematureAlgorithmBreaker, AlgorithmStartsListener, IterationEndsListener{ public class VariationCoefficientBreaker implements PrematureAlgorithmBreaker, IterationStartsListener, AlgorithmStartsListener, IterationEndsListener{
private static Logger logger = Logger.getLogger(VariationCoefficientBreaker.class); private static Logger logger = Logger.getLogger(VariationCoefficientBreaker.class);
@ -70,7 +72,7 @@ public class VariationCoefficientBreaker implements PrematureAlgorithmBreaker, A
if(lastAccepted != null){ if(lastAccepted != null){
solutionValues[currentIteration]=lastAccepted.getCost(); solutionValues[currentIteration]=lastAccepted.getCost();
} }
else solutionValues[currentIteration]=Double.MAX_VALUE; else solutionValues[currentIteration]=Integer.MAX_VALUE;
} }
if(lastAccepted !=null) { if(lastAccepted !=null) {
// logger.info(lastAccepted.getCost()); // logger.info(lastAccepted.getCost());
@ -107,6 +109,11 @@ public class VariationCoefficientBreaker implements PrematureAlgorithmBreaker, A
} }
} }
@Override
public void informIterationStarts(int i, VehicleRoutingProblem problem, Collection<VehicleRoutingProblemSolution> solutions) {
if(lastAccepted == null) lastAccepted = Solutions.getBest(solutions);
}
} }