/**
* Copyright 2010 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.drools.planner.core.localsearch.decider.forager;
import java.util.Comparator;
import org.apache.commons.lang.builder.CompareToBuilder;
import org.drools.planner.core.localsearch.decider.MoveScope;
import org.drools.planner.core.score.Score;
/**
* @author Geoffrey De Smet
*/
public class AcceptedMoveScopeComparator implements Comparator<MoveScope> {
private final Comparator<? extends Score> deciderScoreComparator;
public AcceptedMoveScopeComparator(Comparator<? extends Score> deciderScoreComparator) {
this.deciderScoreComparator = deciderScoreComparator;
}
// ************************************************************************
// Worker methods
// ************************************************************************
public int compare(MoveScope a, MoveScope b) {
CompareToBuilder compareToBuilder = new CompareToBuilder();
compareToBuilder.append(a.getScore(), b.getScore(), deciderScoreComparator);
compareToBuilder.append(a.getAcceptChance(), b.getAcceptChance());
// moves are not compared
return compareToBuilder.toComparison();
}
}