org.optaplanner.benchmark.impl.statistic.movecountperstep.MoveCountPerStepProblemStatistic Maven / Gradle / Ivy
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OptaPlanner solves planning problems.
This lightweight, embeddable planning engine implements powerful and scalable algorithms
to optimize business resource scheduling and planning.
This module contains the benchmarker toolkit.
/*
* 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.benchmark.impl.statistic.movecountperstep;
import java.awt.BasicStroke;
import java.awt.Paint;
import java.io.File;
import java.text.NumberFormat;
import java.util.Collections;
import java.util.List;
import java.util.Locale;
import com.thoughtworks.xstream.annotations.XStreamAlias;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.plot.DefaultDrawingSupplier;
import org.jfree.chart.plot.DrawingSupplier;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYItemRenderer;
import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;
import org.optaplanner.benchmark.config.statistic.ProblemStatisticType;
import org.optaplanner.benchmark.impl.report.BenchmarkReport;
import org.optaplanner.benchmark.impl.result.ProblemBenchmarkResult;
import org.optaplanner.benchmark.impl.result.SingleBenchmarkResult;
import org.optaplanner.benchmark.impl.result.SubSingleBenchmarkResult;
import org.optaplanner.benchmark.impl.statistic.ProblemStatistic;
import org.optaplanner.benchmark.impl.statistic.SubSingleStatistic;
import org.optaplanner.benchmark.impl.statistic.common.MillisecondsSpentNumberFormat;
@XStreamAlias("moveCountPerStepProblemStatistic")
public class MoveCountPerStepProblemStatistic extends ProblemStatistic {
protected File graphFile = null;
public MoveCountPerStepProblemStatistic(ProblemBenchmarkResult problemBenchmarkResult) {
super(problemBenchmarkResult, ProblemStatisticType.MOVE_COUNT_PER_STEP);
}
@Override
public SubSingleStatistic createSubSingleStatistic(SubSingleBenchmarkResult subSingleBenchmarkResult) {
return new MoveCountPerStepSubSingleStatistic(subSingleBenchmarkResult);
}
/**
* @return never null
*/
@Override
public List getGraphFileList() {
return Collections.singletonList(graphFile);
}
// ************************************************************************
// Write methods
// ************************************************************************
@Override
public void writeGraphFiles(BenchmarkReport benchmarkReport) {
Locale locale = benchmarkReport.getLocale();
NumberAxis xAxis = new NumberAxis("Time spent");
xAxis.setNumberFormatOverride(new MillisecondsSpentNumberFormat(locale));
NumberAxis yAxis = new NumberAxis("Accepted/selected moves per step");
yAxis.setNumberFormatOverride(NumberFormat.getInstance(locale));
XYPlot plot = new XYPlot(null, xAxis, yAxis, null);
DrawingSupplier drawingSupplier = new DefaultDrawingSupplier();
plot.setOrientation(PlotOrientation.VERTICAL);
int seriesIndex = 0;
for (SingleBenchmarkResult singleBenchmarkResult : problemBenchmarkResult.getSingleBenchmarkResultList()) {
XYSeries acceptedSeries = new XYSeries(
singleBenchmarkResult.getSolverBenchmarkResult().getNameWithFavoriteSuffix() + " accepted");
XYSeries selectedSeries = new XYSeries(
singleBenchmarkResult.getSolverBenchmarkResult().getNameWithFavoriteSuffix() + " selected");
XYItemRenderer renderer = new XYLineAndShapeRenderer(true, false);
if (singleBenchmarkResult.hasAllSuccess()) {
MoveCountPerStepSubSingleStatistic subSingleStatistic = (MoveCountPerStepSubSingleStatistic)
singleBenchmarkResult.getSubSingleStatistic(problemStatisticType);
for (MoveCountPerStepStatisticPoint point : subSingleStatistic.getPointList()) {
long timeMillisSpent = point.getTimeMillisSpent();
long acceptedMoveCount = point.getMoveCountPerStepMeasurement().getAcceptedMoveCount();
long selectedMoveCount = point.getMoveCountPerStepMeasurement().getSelectedMoveCount();
acceptedSeries.add(timeMillisSpent, acceptedMoveCount);
selectedSeries.add(timeMillisSpent, selectedMoveCount);
}
}
XYSeriesCollection seriesCollection = new XYSeriesCollection();
seriesCollection.addSeries(acceptedSeries);
seriesCollection.addSeries(selectedSeries);
plot.setDataset(seriesIndex, seriesCollection);
if (singleBenchmarkResult.getSolverBenchmarkResult().isFavorite()) {
// Make the favorite more obvious
renderer.setSeriesStroke(0, new BasicStroke(2.0f));
// Dashed line for selected move count
renderer.setSeriesStroke(1, new BasicStroke(
2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1.0f, new float[] {2.0f, 6.0f}, 0.0f));
} else {
// Dashed line for selected move count
renderer.setSeriesStroke(1, new BasicStroke(
1.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1.0f, new float[] {2.0f, 6.0f}, 0.0f));
}
// Render both lines in the same color
Paint linePaint = drawingSupplier.getNextPaint();
renderer.setSeriesPaint(0, linePaint);
renderer.setSeriesPaint(1, linePaint);
plot.setRenderer(seriesIndex, renderer);
seriesIndex++;
}
JFreeChart chart = new JFreeChart(problemBenchmarkResult.getName() + " move count per step statistic",
JFreeChart.DEFAULT_TITLE_FONT, plot, true);
graphFile = writeChartToImageFile(chart, problemBenchmarkResult.getName() + "MoveCountPerStepStatistic");
}
}