summaryrefslogtreecommitdiff
path: root/java/perftests/visualisation-jfc/src/main/java/org/apache/qpid/disttest/charting/chartbuilder/XYDataSetBasedChartBuilder.java
blob: 87d61ca2ee4e319627f1cec1ab87daa07d42e7a1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.qpid.disttest.charting.chartbuilder;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.apache.qpid.disttest.charting.definition.ChartingDefinition;
import org.apache.qpid.disttest.charting.definition.SeriesDefinition;
import org.apache.qpid.disttest.charting.seriesbuilder.SeriesBuilderCallback;
import org.apache.qpid.disttest.charting.seriesbuilder.SeriesBuilder;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.CategoryLabelPositions;
import org.jfree.data.xy.DefaultXYDataset;


public abstract class XYDataSetBasedChartBuilder extends BaseChartBuilder
{
    private final SeriesBuilder _seriesBuilder;

    public XYDataSetBasedChartBuilder(SeriesBuilder seriesBuilder)
    {
        this._seriesBuilder = seriesBuilder;
    }

    @Override
    public JFreeChart buildChart(ChartingDefinition chartingDefinition)
    {
        String title = chartingDefinition.getChartTitle();
        String xAxisTitle = chartingDefinition.getXAxisTitle();
        String yAxisTitle = chartingDefinition.getYAxisTitle();

        final DefaultXYDataset dataset = new DefaultXYDataset();
        _seriesBuilder.setSeriesBuilderCallback(new SeriesBuilderCallback()
        {
            private List<Double[]> _xyPairs = null;

            @Override
            public void beginSeries(SeriesDefinition seriesDefinition)
            {
                _xyPairs = new ArrayList<Double[]>();
            }

            @Override
            public void addDataPointToSeries(SeriesDefinition seriesDefinition,
                    Object[] row)
            {
                double x = Double.parseDouble(row[0].toString());
                double y = Double.parseDouble(row[1].toString());
                _xyPairs.add(new Double[] {x, y});
            }


            @Override
            public void endSeries(SeriesDefinition seriesDefinition)
            {
                double[][] seriesData = listToSeriesDataArray();
                dataset.addSeries(seriesDefinition.getSeriesLegend(), seriesData);
            }

            private double[][] listToSeriesDataArray()
            {
                double[][] seriesData = new double[2][_xyPairs.size()];
                int i = 0;
                for (Iterator<Double[]> iterator = _xyPairs.iterator(); iterator.hasNext();)
                {
                    Double[] xyPair = iterator.next();
                    seriesData[0][i] = xyPair[0];
                    seriesData[1][i] = xyPair[1];
                    i++;
                 }
                return seriesData;
            }
        });

        _seriesBuilder.build(chartingDefinition.getSeries());

        JFreeChart chart = createChartImpl(title, xAxisTitle, yAxisTitle,
                dataset, PLOT_ORIENTATION, SHOW_LEGEND, SHOW_TOOL_TIPS, SHOW_URLS);

        addCommonChartAttributes(chart, chartingDefinition);

        return chart;
    }
}