Example usage for org.jfree.data PieDataset getItemCount

Introduction

In this page you can find the example usage for org.jfree.data PieDataset getItemCount.

Prototype

public int getItemCount();

Source Link

Document

Returns the number of items (values) in the collection.

Usage

From source file:com.sixrr.metrics.ui.charts.PieChartDialog.java

private JFreeChart createChart(PieDataset dataset) {
    final String title = getTitle();
    final PiePlot plot = new PiePlot(dataset);
    plot.setInsets(new Insets(0, 5, 5, 5));
    final int numItems = dataset.getItemCount();
    int total = 0;
    for (int i = 0; i < numItems; i++) {
        final Number value = dataset.getValue(i);
        total += value.intValue();//  ww  w. j  av a2  s. co m
    }
    final PieItemLabelGenerator tooltipGenerator = new PieChartTooltipGenerator(total);
    plot.setItemLabelGenerator(tooltipGenerator);
    plot.setURLGenerator(null);
    return new JFreeChart(title, JFreeChartConstants.DEFAULT_TITLE_FONT, plot, false);
}

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