Java 类org.jfree.chart.renderer.category.IntervalBarRenderer 实例源码

/**
 * Draws the chart with a <code>null</code> info object to make sure that 
 * no exceptions are thrown (particularly by code in the renderer).
 */
public void testDrawWithNullInfo() {
    boolean success = false;
    try {
        double[][] starts = new double[][] {{0.1, 0.2, 0.3}, 
                {0.3, 0.4, 0.5}};
        double[][] ends = new double[][] {{0.5, 0.6, 0.7}, {0.7, 0.8, 0.9}};
        DefaultIntervalCategoryDataset dataset 
            = new DefaultIntervalCategoryDataset(starts, ends);        
        IntervalBarRenderer renderer = new IntervalBarRenderer();
        CategoryPlot plot = new CategoryPlot(dataset, 
                new CategoryAxis("Category"), new NumberAxis("Value"), 
                renderer);
        JFreeChart chart = new JFreeChart(plot);
        /* BufferedImage image = */ chart.createBufferedImage(300, 200, 
                null);
        success = true;
    }
    catch (NullPointerException e) {
        e.printStackTrace();
        success = false;
    }
    assertTrue(success);
}

private static JFreeChart createChart() {
    final CategoryAxis domainAxis = new CategoryAxis("");
    final NumberAxis rangeAxis = new NumberAxis("");
    final IntervalBarRenderer renderer = new IntervalBarRenderer();
    renderer.setBaseToolTipGenerator(new IntervalCategoryToolTipGenerator());
    renderer.setBaseToolTipGenerator((dataset, row, column) -> {
        final IntervalCategoryDataset icd = (IntervalCategoryDataset) dataset;
        return icd.getRowKey(row) + ": " + (icd.getEndValue(row, column).doubleValue() - icd.getStartValue(row, column).doubleValue());
    });

    final CategoryPlot plot = new CategoryPlot(null, domainAxis, rangeAxis, renderer);
    final JFreeChart chart = new JFreeChart("Unternehmenswert", plot);
    plot.setDomainGridlinesVisible(true);
    plot.setRangePannable(true);
    ChartUtilities.applyCurrentTheme(chart);
    return chart;

}

/**
 * Draws the chart with a <code>null</code> info object to make sure that 
 * no exceptions are thrown (particularly by code in the renderer).
 */
public void testDrawWithNullInfo() {
    boolean success = false;
    try {
        double[][] starts = new double[][] {{0.1, 0.2, 0.3}, 
                {0.3, 0.4, 0.5}};
        double[][] ends = new double[][] {{0.5, 0.6, 0.7}, {0.7, 0.8, 0.9}};
        DefaultIntervalCategoryDataset dataset 
            = new DefaultIntervalCategoryDataset(starts, ends);        
        IntervalBarRenderer renderer = new IntervalBarRenderer();
        CategoryPlot plot = new CategoryPlot(dataset, 
                new CategoryAxis("Category"), new NumberAxis("Value"), 
                renderer);
        JFreeChart chart = new JFreeChart(plot);
        /* BufferedImage image = */ chart.createBufferedImage(300, 200, 
                null);
        success = true;
    }
    catch (NullPointerException e) {
        e.printStackTrace();
        success = false;
    }
    assertTrue(success);
}

/**
 * Draws the chart with a <code>null</code> info object to make sure that
 * no exceptions are thrown (particularly by code in the renderer).
 */
public void testDrawWithNullInfo() {
    boolean success = false;
    try {
        double[][] starts = new double[][] {{0.1, 0.2, 0.3},
                {0.3, 0.4, 0.5}};
        double[][] ends = new double[][] {{0.5, 0.6, 0.7}, {0.7, 0.8, 0.9}};
        DefaultIntervalCategoryDataset dataset
            = new DefaultIntervalCategoryDataset(starts, ends);
        IntervalBarRenderer renderer = new IntervalBarRenderer();
        CategoryPlot plot = new CategoryPlot(dataset,
                new CategoryAxis("Category"), new NumberAxis("Value"),
                renderer);
        JFreeChart chart = new JFreeChart(plot);
        /* BufferedImage image = */ chart.createBufferedImage(300, 200,
                null);
        success = true;
    }
    catch (NullPointerException e) {
        e.printStackTrace();
        success = false;
    }
    assertTrue(success);
}

/**
 * Two objects that are equal are required to return the same hashCode. 
 */
public void testHashcode() {
    IntervalBarRenderer r1 = new IntervalBarRenderer();
    IntervalBarRenderer r2 = new IntervalBarRenderer();
    assertTrue(r1.equals(r2));
    int h1 = r1.hashCode();
    int h2 = r2.hashCode();
    assertEquals(h1, h2);
}

/**
 * Two objects that are equal are required to return the same hashCode. 
 */
public void testHashcode() {
    IntervalBarRenderer r1 = new IntervalBarRenderer();
    IntervalBarRenderer r2 = new IntervalBarRenderer();
    assertTrue(r1.equals(r2));
    int h1 = r1.hashCode();
    int h2 = r2.hashCode();
    assertEquals(h1, h2);
}

/**
 * Two objects that are equal are required to return the same hashCode. 
 */
public void testHashcode() {
    IntervalBarRenderer r1 = new IntervalBarRenderer();
    IntervalBarRenderer r2 = new IntervalBarRenderer();
    assertTrue(r1.equals(r2));
    int h1 = r1.hashCode();
    int h2 = r2.hashCode();
    assertEquals(h1, h2);
}

/**
 * Problem that the equals() method distinguishes all fields.
 */
public void testEquals() {
    IntervalBarRenderer r1 = new IntervalBarRenderer();
    IntervalBarRenderer r2 = new IntervalBarRenderer();
    assertEquals(r1, r2);

    // the renderer should not be equal to a BarRenderer
    BarRenderer br = new BarRenderer();
    assertFalse(r1.equals(br));
}

/**
 * Two objects that are equal are required to return the same hashCode.
 */
public void testHashcode() {
    IntervalBarRenderer r1 = new IntervalBarRenderer();
    IntervalBarRenderer r2 = new IntervalBarRenderer();
    assertTrue(r1.equals(r2));
    int h1 = r1.hashCode();
    int h2 = r2.hashCode();
    assertEquals(h1, h2);
}

/**
 * Problem that the equals(...) method distinguishes all fields.
 */
public void testEquals() {
    IntervalBarRenderer r1 = new IntervalBarRenderer();
    IntervalBarRenderer r2 = new IntervalBarRenderer();
    assertEquals(r1, r2);
}

/**
 * Problem that the equals() method distinguishes all fields.
 */
public void testEquals() {
    IntervalBarRenderer r1 = new IntervalBarRenderer();
    IntervalBarRenderer r2 = new IntervalBarRenderer();
    assertEquals(r1, r2);
}

/**
 * Problem that the equals() method distinguishes all fields.
 */
public void testEquals() {
    IntervalBarRenderer r1 = new IntervalBarRenderer();
    IntervalBarRenderer r2 = new IntervalBarRenderer();
    assertEquals(r1, r2);
}

/**
 * Check that this class implements PublicCloneable.
 */
public void testPublicCloneable() {
    IntervalBarRenderer r1 = new IntervalBarRenderer();
    assertTrue(r1 instanceof PublicCloneable);
}