Package org.jfree.data.xy

Examples of org.jfree.data.xy.XYDataItem

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    /**
     * Some checks for the addOrUpdate() method.
     */
    public void testAddOrUpdate() {
        XYSeries series = new XYSeries("S1", true, false);
        XYDataItem old = series.addOrUpdate(new Long(1), new Long(2));
        assertTrue(old == null);
        assertEquals(1, series.getItemCount());
        assertEquals(new Long(2), series.getY(0));

        old = series.addOrUpdate(new Long(2), new Long(3));
        assertTrue(old == null);
        assertEquals(2, series.getItemCount());
        assertEquals(new Long(3), series.getY(1));

        old = series.addOrUpdate(new Long(1), new Long(99));
        assertEquals(new XYDataItem(new Long(1), new Long(2)), old);
        assertEquals(2, series.getItemCount());
        assertEquals(new Long(99), series.getY(0));
        assertEquals(new Long(3), series.getY(1));
    }
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                List<String> time = new ArrayList<String>();//{name, v1, v2, v3}
                XYSeries s = ((XYSeriesCollection) chart.getXYPlot().getDataset()).getSeries(i);
                max = Math.max(max, s.getItemCount());
                time.add("TIME,");
                for (Object o : s.getItems()) {
                    XYDataItem item = (XYDataItem) o;
                    time.add(item.getX() + ",");
                }
                columns.add(time);
            }
            List<String> values = new ArrayList<String>();//{name, v1, v2, v3}
            XYSeries s = ((XYSeriesCollection) chart.getXYPlot().getDataset()).getSeries(i);
            max = Math.max(max, s.getItemCount());
            values.add(s.getKey().toString() + ",");
            for (Object o : s.getItems()) {
                XYDataItem item = (XYDataItem) o;
                values.add(item.getY() + ",");
            }
            columns.add(values);
        }
        StringBuilder output = new StringBuilder();
        for (int i = 0; i < max; i++) {
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    /**
     * Confirm that the equals method can distinguish all the required fields.
     */
    public void testEquals() {
       
        final XYDataItem i1 = new XYDataItem(1.0, 1.1);
        final XYDataItem i2 = new XYDataItem(1.0, 1.1);
        assertTrue(i1.equals(i2));
        assertTrue(i2.equals(i1));

        i1.setY(new Double(9.9));
        assertFalse(i1.equals(i2));

        i2.setY(new Double(9.9));
        assertTrue(i1.equals(i2));

    }
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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        final XYDataItem i1 = new XYDataItem(1.0, 1.1);
        XYDataItem i2 = null;
        try {
            i2 = (XYDataItem) i1.clone();
        }
        catch (CloneNotSupportedException e) {
            System.err.println("XYDataItemTests.testCloning: failed to clone.");
        }
        assertTrue(i1 != i2);
        assertTrue(i1.getClass() == i2.getClass());
        assertTrue(i1.equals(i2));
    }
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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {

        final XYDataItem i1 = new XYDataItem(1.0, 1.1);
        XYDataItem i2 = null;
       
        try {
            final ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            final ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(i1);
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    /**
     * Confirm that the equals method can distinguish all the required fields.
     */
    public void testEquals() {
       
        XYDataItem i1 = new XYDataItem(1.0, 1.1);
        XYDataItem i2 = new XYDataItem(1.0, 1.1);
        assertTrue(i1.equals(i2));
        assertTrue(i2.equals(i1));

        i1.setY(new Double(9.9));
        assertFalse(i1.equals(i2));

        i2.setY(new Double(9.9));
        assertTrue(i1.equals(i2));

    }
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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        XYDataItem i1 = new XYDataItem(1.0, 1.1);
        XYDataItem i2 = null;
        try {
            i2 = (XYDataItem) i1.clone();
        }
        catch (CloneNotSupportedException e) {
            System.err.println("XYDataItemTests.testCloning: failed to clone.");
        }
        assertTrue(i1 != i2);
        assertTrue(i1.getClass() == i2.getClass());
        assertTrue(i1.equals(i2));
    }
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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {

        XYDataItem i1 = new XYDataItem(1.0, 1.1);
        XYDataItem i2 = null;
       
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(i1);
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    /**
     * Some checks for the addOrUpdate() method.
     */
    public void testAddOrUpdate() {
        XYSeries series = new XYSeries("S1");
        XYDataItem old = series.addOrUpdate(new Long(1), new Long(2));
        assertTrue(old == null);
        assertEquals(1, series.getItemCount());
        assertEquals(new Long(2), series.getY(0));
       
        old = series.addOrUpdate(new Long(2), new Long(3));
        assertTrue(old == null);
        assertEquals(2, series.getItemCount());
        assertEquals(new Long(3), series.getY(1));

        old = series.addOrUpdate(new Long(1), new Long(99));
        assertEquals(new XYDataItem(new Long(1), new Long(2)), old);
        assertEquals(2, series.getItemCount());
        assertEquals(new Long(99), series.getY(0));
        assertEquals(new Long(3), series.getY(1));
    }
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    /**
     * Some checks for the addOrUpdate() method.
     */
    public void testAddOrUpdate() {
        XYSeries series = new XYSeries("S1");
        XYDataItem old = series.addOrUpdate(new Long(1), new Long(2));
        assertTrue(old == null);
        assertEquals(1, series.getItemCount());
        assertEquals(new Long(2), series.getY(0));
       
        old = series.addOrUpdate(new Long(2), new Long(3));
        assertTrue(old == null);
        assertEquals(2, series.getItemCount());
        assertEquals(new Long(3), series.getY(1));

        old = series.addOrUpdate(new Long(1), new Long(99));
        assertEquals(new XYDataItem(new Long(1), new Long(2)), old);
        assertEquals(2, series.getItemCount());
        assertEquals(new Long(99), series.getY(0));
        assertEquals(new Long(3), series.getY(1));
    }
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