Package org.jfree.data

Examples of org.jfree.data.DefaultKeyedValues

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     *
     * @param root  the root handler.
     */
    public CategorySeriesHandler(RootHandler root) {
        this.root = root;
        this.values = new DefaultKeyedValues();
    }
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    /**
     * Constructs a new dataset, initially empty.
     */
    public DefaultPieDataset() {
        this.data = new DefaultKeyedValues();
    }
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     */
    public DefaultPieDataset(KeyedValues data) {
        if (data == null) {
            throw new IllegalArgumentException("Null 'data' argument.");
        }
        this.data = new DefaultKeyedValues();
        for (int i = 0; i < data.getItemCount(); i++) {
            this.data.addValue(data.getKey(i), data.getValue(i));
        }
    }
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     *
     * @param root  the root handler.
     */
    public CategorySeriesHandler(RootHandler root) {
        this.root = root;
        this.values = new DefaultKeyedValues();
    }
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    /**
     * Constructs a new dataset, initially empty.
     */
    public DefaultPieDataset() {
        this.data = new DefaultKeyedValues();
    }
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     *
     * @param data  the data (<code>null</code> not permitted).
     */
    public DefaultPieDataset(KeyedValues data) {
        ParamChecks.nullNotPermitted(data, "data");
        this.data = new DefaultKeyedValues();
        for (int i = 0; i < data.getItemCount(); i++) {
            this.data.addValue(data.getKey(i), data.getValue(i));
        }
    }
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    /**
     * Checks that a new instance is empty.
     */
    public void testConstructor() {
        DefaultKeyedValues d = new DefaultKeyedValues();
        assertEquals(0, d.getItemCount());
    }
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    /**
     * Some checks for the getItemCount() method.
     */
    public void testGetItemCount() {
        DefaultKeyedValues d = new DefaultKeyedValues();
        assertEquals(0, d.getItemCount());
        d.addValue("A", 1.0);
        assertEquals(1, d.getItemCount());
        d.addValue("B", 2.0);
        assertEquals(2, d.getItemCount());
        d.clear();
        assertEquals(0, d.getItemCount());
    }
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    /**
     * Some checks for the getKeys() method.
     */
    public void testGetKeys() {
        DefaultKeyedValues d = new DefaultKeyedValues();
        List keys = d.getKeys();
        assertTrue(keys.isEmpty());
        d.addValue("A", 1.0);
        keys = d.getKeys();
        assertEquals(1, keys.size());
        assertTrue(keys.contains("A"));
        d.addValue("B", 2.0);
        keys = d.getKeys();
        assertEquals(2, keys.size());
        assertTrue(keys.contains("A"));
        assertTrue(keys.contains("B"));
        d.clear();
        keys = d.getKeys();
        assertEquals(0, keys.size());
    }
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    /**
     * A simple test for the clear() method.
     */
    public void testClear() {
        DefaultKeyedValues v1 = new DefaultKeyedValues();
        v1.addValue("A", 1.0);
        v1.addValue("B", 2.0);
        assertEquals(2, v1.getItemCount());
        v1.clear();
        assertEquals(0, v1.getItemCount());
    }
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  • org.jfree.data.general.DefaultPieDataset
  • org.jfree.data.junit.DefaultKeyedValuesTests
  • org.jfree.data.xml.CategorySeriesHandler
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  • java.util.List
  • java.util.ArrayList
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