/*
* Copyright 2011 Red Hat, Inc. and/or its affiliates.
*
* 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.optaplanner.core.impl.phase.scope;
import java.util.Random;
import org.optaplanner.core.api.domain.solution.PlanningSolution;
import org.optaplanner.core.api.score.Score;
import org.optaplanner.core.impl.score.director.InnerScoreDirector;
/**
* @param <Solution_> the solution type, the class with the {@link PlanningSolution} annotation
*/
public abstract class AbstractStepScope<Solution_> {
protected final int stepIndex;
protected Score score = null;
protected Boolean bestScoreImproved;
// Stays null if there is no need to clone it
protected Solution_ clonedSolution = null;
public abstract AbstractPhaseScope<Solution_> getPhaseScope();
public AbstractStepScope(int stepIndex) {
this.stepIndex = stepIndex;
}
public int getStepIndex() {
return stepIndex;
}
public Score getScore() {
return score;
}
public void setScore(Score score) {
this.score = score;
}
public Boolean getBestScoreImproved() {
return bestScoreImproved;
}
public void setBestScoreImproved(Boolean bestScoreImproved) {
this.bestScoreImproved = bestScoreImproved;
}
public Solution_ getClonedSolution() {
return clonedSolution;
}
public void setClonedSolution(Solution_ clonedSolution) {
this.clonedSolution = clonedSolution;
}
// ************************************************************************
// Calculated methods
// ************************************************************************
public InnerScoreDirector<Solution_> getScoreDirector() {
return getPhaseScope().getScoreDirector();
}
public Solution_ getWorkingSolution() {
return getPhaseScope().getWorkingSolution();
}
public Random getWorkingRandom() {
return getPhaseScope().getWorkingRandom();
}
public Solution_ createOrGetClonedSolution() {
if (clonedSolution == null) {
clonedSolution = getScoreDirector().cloneWorkingSolution();
}
return clonedSolution;
}
@Override
public String toString() {
return getClass().getSimpleName() + "(" + stepIndex + ")";
}
}