Example usage for org.jfree.data.general ValueDataset getValue

Introduction

In this page you can find the example usage for org.jfree.data.general ValueDataset getValue.

Prototype

public Number getValue();

Source Link

Document

Returns the value.

Usage

From source file:org.jfree.data.general.DefaultValueDataset.java

/**
 * Tests this dataset for equality with an arbitrary object.
 *
 * @param obj  the object (<code>null</code> permitted).
 *
 * @return A boolean./*from  w  w  w . jav a  2s  . c om*/
 */
@Override
public boolean equals(Object obj) {
    if (obj == this) {
        return true;
    }
    if (obj instanceof ValueDataset) {
        ValueDataset vd = (ValueDataset) obj;
        return ObjectUtils.equal(this.value, vd.getValue());
    }
    return false;
}

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From source file:it.eng.spagobi.engines.chart.bo.charttypes.dialcharts.BulletGraph.java

public JFreeChart createChart(DatasetMap datasets) {

    logger.debug("IN");
    Dataset dataset = (Dataset) datasets.getDatasets().get("1");
    ValueDataset valDataSet = (ValueDataset) dataset;

    Number value = valDataSet.getValue();

    DefaultCategoryDataset datasetC = new DefaultCategoryDataset();
    datasetC.addValue(value, "", "");

    // customize a bar chart 
    JFreeChart chart = ChartFactory.createBarChart(null, null, null, datasetC, PlotOrientation.HORIZONTAL,
            false, false, false);/*from   ww w  . j  a  v  a  2s .co m*/
    chart.setBorderVisible(false);

    chart.setBackgroundPaint(color);

    TextTitle title = setStyleTitle(name, styleTitle);
    chart.setTitle(title);
    if (subName != null && !subName.equals("")) {
        TextTitle subTitle = setStyleTitle(subName, styleSubTitle);
        chart.addSubtitle(subTitle);
    }

    CategoryPlot plot = chart.getCategoryPlot();
    plot.setOutlineVisible(true);
    plot.setOutlinePaint(Color.BLACK);
    plot.setInsets(new RectangleInsets(0.0, 0.0, 0.0, 0.0));
    plot.setBackgroundPaint(null);
    plot.setDomainGridlinesVisible(false);
    plot.setRangeGridlinesVisible(false);
    plot.setRangeCrosshairVisible(false);
    plot.setAnchorValue(value.doubleValue());

    // add the target marker 
    if (target != null) {
        ValueMarker marker = new ValueMarker(target.doubleValue(), Color.BLACK, new BasicStroke(2.0f));
        plot.addRangeMarker(marker, Layer.FOREGROUND);
    }

    //sets different marks
    for (Iterator iterator = intervals.iterator(); iterator.hasNext();) {
        KpiInterval interval = (KpiInterval) iterator.next();
        // add the marks 
        IntervalMarker marker = new IntervalMarker(interval.getMin(), interval.getMax(), interval.getColor());
        plot.addRangeMarker(marker, Layer.BACKGROUND);
        logger.debug("Added new interval to the plot");
    }

    // customize axes 
    CategoryAxis domainAxis = plot.getDomainAxis();
    domainAxis.setVisible(false);

    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setVisible(true);
    // calculate the upper limit 
    //double upperBound = target * upperFactor; 
    rangeAxis.setRange(new Range(lower, upper));
    plot.setRangeAxisLocation(AxisLocation.BOTTOM_OR_LEFT);

    // customize renderer 
    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setMaximumBarWidth(0.18);
    renderer.setSeriesPaint(0, Color.BLACK);

    return chart;
}

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From source file:org.jfree.experimental.chart.plot.dial.DialPlot.java

/**
 * Returns the value from the specified dataset.
 * //from   w w  w .j  a v  a  2  s  . co m
 * @param datasetIndex  the dataset index.
 * 
 * @return The data value.
 */
public double getValue(int datasetIndex) {
    double result = Double.NaN;
    ValueDataset dataset = getDataset(datasetIndex);
    if (dataset != null) {
        Number n = dataset.getValue();
        if (n != null) {
            result = n.doubleValue();
        }
    }
    return result;
}

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