/*
* 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.score.buildin.simpledouble;
import java.util.Arrays;
import org.optaplanner.core.api.score.buildin.simpledouble.SimpleDoubleScore;
import org.optaplanner.core.api.score.buildin.simpledouble.SimpleDoubleScoreHolder;
import org.optaplanner.core.config.score.trend.InitializingScoreTrendLevel;
import org.optaplanner.core.impl.score.definition.AbstractScoreDefinition;
import org.optaplanner.core.impl.score.trend.InitializingScoreTrend;
public class SimpleDoubleScoreDefinition extends AbstractScoreDefinition<SimpleDoubleScore> {
public SimpleDoubleScoreDefinition() {
super(new String[]{"score"});
}
// ************************************************************************
// Worker methods
// ************************************************************************
@Override
public int getLevelsSize() {
return 1;
}
@Override
public Class<SimpleDoubleScore> getScoreClass() {
return SimpleDoubleScore.class;
}
@Override
public SimpleDoubleScore getZeroScore() {
return SimpleDoubleScore.ZERO;
}
@Override
public SimpleDoubleScore parseScore(String scoreString) {
return SimpleDoubleScore.parseScore(scoreString);
}
@Override
public SimpleDoubleScore fromLevelNumbers(int initScore, Number[] levelNumbers) {
if (levelNumbers.length != getLevelsSize()) {
throw new IllegalStateException("The levelNumbers (" + Arrays.toString(levelNumbers)
+ ")'s length (" + levelNumbers.length + ") must equal the levelSize (" + getLevelsSize() + ").");
}
return SimpleDoubleScore.valueOfUninitialized(initScore, (Double) levelNumbers[0]);
}
@Override
public SimpleDoubleScoreHolder buildScoreHolder(boolean constraintMatchEnabled) {
return new SimpleDoubleScoreHolder(constraintMatchEnabled);
}
@Override
public SimpleDoubleScore buildOptimisticBound(InitializingScoreTrend initializingScoreTrend, SimpleDoubleScore score) {
InitializingScoreTrendLevel[] trendLevels = initializingScoreTrend.getTrendLevels();
return SimpleDoubleScore.valueOfUninitialized(0,
trendLevels[0] == InitializingScoreTrendLevel.ONLY_DOWN ? score.getScore() : Double.POSITIVE_INFINITY);
}
@Override
public SimpleDoubleScore buildPessimisticBound(InitializingScoreTrend initializingScoreTrend, SimpleDoubleScore score) {
InitializingScoreTrendLevel[] trendLevels = initializingScoreTrend.getTrendLevels();
return SimpleDoubleScore.valueOfUninitialized(0,
trendLevels[0] == InitializingScoreTrendLevel.ONLY_UP ? score.getScore() : Double.NEGATIVE_INFINITY);
}
}