org.neo4j.bench.chart.JFreeStackedBarChart.java Source code

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Here is the source code for org.neo4j.bench.chart.JFreeStackedBarChart.java

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/**
 * Copyright (c) 2002-2011 "Neo Technology,"
 * Network Engine for Objects in Lund AB [http://neotechnology.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
package org.neo4j.bench.chart;

import java.util.Map;
import java.util.regex.Pattern;

import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.CategoryLabelPositions;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.renderer.AbstractRenderer;
import org.neo4j.bench.RunUtil;

public class JFreeStackedBarChart extends AbstractJFreeChart<ChartData> implements ChartDestination<JFreeChart> {
    @Override
    protected void addValue(ChartData dataset, Map<String, String> header, double value, int numberOfIterations,
            String benchCase, String timer) {
        String[] subTokens = timer.split(Pattern.quote("."));
        dataset.add(benchCase, header.get(RunUtil.KEY_NEO_VERSION), subTokens[0], value);
    }

    @Override
    protected ChartData instantiateDataset() {
        return new ChartData("Performance chart", "Bench case", "Time(ms)");
    }

    @Override
    protected JFreeChart createChart(ChartData dataset) {
        return dataset.render(this);
    }

    public JFreeChart render(String title, CategoryPlot plot, AbstractRenderer renderer) {
        plot.getDomainAxis()
                .setCategoryLabelPositions(CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 4.0));
        return new JFreeChart(title, plot);
    }
}