/*
* Copyright 2010 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.benchmark.impl.statistic.bestscore;
import java.util.List;
import org.optaplanner.benchmark.config.statistic.ProblemStatisticType;
import org.optaplanner.benchmark.impl.result.SubSingleBenchmarkResult;
import org.optaplanner.benchmark.impl.statistic.ProblemBasedSubSingleStatistic;
import org.optaplanner.core.api.solver.Solver;
import org.optaplanner.core.api.solver.event.BestSolutionChangedEvent;
import org.optaplanner.core.api.solver.event.SolverEventListener;
import org.optaplanner.core.impl.score.definition.ScoreDefinition;
public class BestScoreSubSingleStatistic<Solution_>
extends ProblemBasedSubSingleStatistic<Solution_, BestScoreStatisticPoint> {
private final BestScoreSubSingleStatisticListener listener;
public BestScoreSubSingleStatistic(SubSingleBenchmarkResult subSingleBenchmarkResult) {
super(subSingleBenchmarkResult, ProblemStatisticType.BEST_SCORE);
listener = new BestScoreSubSingleStatisticListener();
}
// ************************************************************************
// Lifecycle methods
// ************************************************************************
@Override
public void open(Solver<Solution_> solver) {
solver.addEventListener(listener);
}
@Override
public void close(Solver<Solution_> solver) {
solver.removeEventListener(listener);
}
private class BestScoreSubSingleStatisticListener implements SolverEventListener<Solution_> {
@Override
public void bestSolutionChanged(BestSolutionChangedEvent<Solution_> event) {
pointList.add(new BestScoreStatisticPoint(event.getTimeMillisSpent(), event.getNewBestScore()));
}
}
// ************************************************************************
// CSV methods
// ************************************************************************
@Override
protected String getCsvHeader() {
return BestScoreStatisticPoint.buildCsvLine("timeMillisSpent", "score");
}
@Override
protected BestScoreStatisticPoint createPointFromCsvLine(ScoreDefinition scoreDefinition,
List<String> csvLine) {
return new BestScoreStatisticPoint(Long.parseLong(csvLine.get(0)),
scoreDefinition.parseScore(csvLine.get(1)));
}
}