Package org.jfree.data

Examples of org.jfree.data.DefaultKeyedValue

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     *
     * @param key  the key.
     * @param value  the value (<code>null</code> permitted).
     */
    public DefaultKeyedValueDataset(Comparable key, Number value) {
        this(new DefaultKeyedValue(key, value));
    }
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     *
     * @param key  the key.
     * @param value  the value (<code>null</code> permitted).
     */
    public void setValue(Comparable key, Number value) {
        this.data = new DefaultKeyedValue(key, value);
        notifyListeners(new DatasetChangeEvent(this, this));
    }
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    /**
     * Simple checks for the constructor.
     */
    public void testConstructor() {
        DefaultKeyedValue v = new DefaultKeyedValue("A", new Integer(1));
        assertEquals("A", v.getKey());
        assertEquals(new Integer(1), v.getValue());

        // try null key
        boolean pass = false;
        try {
            /*v =*/ new DefaultKeyedValue(null, new Integer(1));
        }
        catch (IllegalArgumentException e) {
            pass = true;
        }
        assertTrue(pass);

        // try a null value
        v = new DefaultKeyedValue("A", null);
        assertNull(v.getValue());
    }
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    /**
     * Confirm that the equals method can distinguish all the required fields.
     */
    public void testEquals() {

        DefaultKeyedValue v1 = new DefaultKeyedValue("Test", new Double(45.5));
        DefaultKeyedValue v2 = new DefaultKeyedValue("Test", new Double(45.5));
        assertTrue(v1.equals(v2));
        assertTrue(v2.equals(v1));

        v1 = new DefaultKeyedValue("Test 1", new Double(45.5));
        v2 = new DefaultKeyedValue("Test 2", new Double(45.5));
        assertFalse(v1.equals(v2));

        v1 = new DefaultKeyedValue("Test", new Double(45.5));
        v2 = new DefaultKeyedValue("Test", new Double(45.6));
        assertFalse(v1.equals(v2));

    }
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    /**
     * Some checks for the clone() method.
     */
    public void testCloning() {
        DefaultKeyedValue v1 = new DefaultKeyedValue("Test", new Double(45.5));
        DefaultKeyedValue v2 = null;
        try {
            v2 = (DefaultKeyedValue) v1.clone();
        }
        catch (CloneNotSupportedException e) {
            System.err.println("Failed to clone.");
        }
        assertTrue(v1 != v2);
        assertTrue(v1.getClass() == v2.getClass());
        assertTrue(v1.equals(v2));

        // confirm that the clone is independent of the original
        v2.setValue(new Double(12.3));
        assertFalse(v1.equals(v2));
    }
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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {

        DefaultKeyedValue v1 = new DefaultKeyedValue("Test", new Double(25.3));
        DefaultKeyedValue v2 = null;

        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(v1);
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    /**
     * Simple checks for the constructor.
     */
    public void testConstructor() {
        DefaultKeyedValue v = new DefaultKeyedValue("A", new Integer(1));
        assertEquals("A", v.getKey());
        assertEquals(new Integer(1), v.getValue());

        // try null key
        boolean pass = false;
        try {
            /*v =*/ new DefaultKeyedValue(null, new Integer(1));
        }
        catch (IllegalArgumentException e) {
            pass = true;
        }
        assertTrue(pass);

        // try a null value
        v = new DefaultKeyedValue("A", null);
        assertNull(v.getValue());
    }
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    /**
     * Confirm that the equals method can distinguish all the required fields.
     */
    public void testEquals() {

        DefaultKeyedValue v1 = new DefaultKeyedValue("Test", new Double(45.5));
        DefaultKeyedValue v2 = new DefaultKeyedValue("Test", new Double(45.5));
        assertTrue(v1.equals(v2));
        assertTrue(v2.equals(v1));

        v1 = new DefaultKeyedValue("Test 1", new Double(45.5));
        v2 = new DefaultKeyedValue("Test 2", new Double(45.5));
        assertFalse(v1.equals(v2));

        v1 = new DefaultKeyedValue("Test", new Double(45.5));
        v2 = new DefaultKeyedValue("Test", new Double(45.6));
        assertFalse(v1.equals(v2));

    }
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    /**
     * Some checks for the clone() method.
     */
    public void testCloning() {
        DefaultKeyedValue v1 = new DefaultKeyedValue("Test", new Double(45.5));
        DefaultKeyedValue v2 = null;
        try {
            v2 = (DefaultKeyedValue) v1.clone();
        }
        catch (CloneNotSupportedException e) {
            System.err.println("Failed to clone.");
        }
        assertTrue(v1 != v2);
        assertTrue(v1.getClass() == v2.getClass());
        assertTrue(v1.equals(v2));

        // confirm that the clone is independent of the original
        v2.setValue(new Double(12.3));
        assertFalse(v1.equals(v2));
    }
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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {

        DefaultKeyedValue v1 = new DefaultKeyedValue("Test", new Double(25.3));
        DefaultKeyedValue v2 = null;

        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(v1);
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Related Classes of org.jfree.data.DefaultKeyedValue

  • org.jfree.data.general.DefaultKeyedValueDataset
  • org.jfree.data.junit.DefaultKeyedValueTests
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