Example usage for org.jfree.data DefaultKeyedValue DefaultKeyedValue

Introduction

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

Prototype

public DefaultKeyedValue(Comparable key, Number value) 

Source Link

Document

Creates a new (key, value) item.

Usage

From source file:org.jfree.data.DefaultKeyedValueTest.java

/**
 * Simple checks for the constructor.//  w  w w.  j  a  va2  s .c om
 */
@Test
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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From source file:org.jfree.data.general.DefaultKeyedValueDataset.java

/**
 * Creates a new dataset with the specified initial value.
 *
 * @param key  the key./*from   ww  w . j  a  v a 2s .com*/
 * @param value  the value (<code>null</code> permitted).
 */
public DefaultKeyedValueDataset(Comparable key, Number value) {
    this(new DefaultKeyedValue(key, value));
}

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From source file:org.jfree.data.DefaultKeyedValueTest.java

/**
 * Confirm that the equals method can distinguish all the required fields.
 */// w  w  w. j  ava  2  s.c  om
@Test
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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From source file:org.jfree.data.DefaultKeyedValueTest.java

/**
 * Some checks for the clone() method.//from www  . ja  va 2  s.c  o m
 */
@Test
public void testCloning() throws CloneNotSupportedException {
    DefaultKeyedValue v1 = new DefaultKeyedValue("Test", new Double(45.5));
    DefaultKeyedValue v2 = (DefaultKeyedValue) v1.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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From source file:org.jfree.data.DefaultKeyedValueTest.java

/**
 * Serialize an instance, restore it, and check for equality.
 *//*from w  w  w . j av a2 s.co m*/
@Test
public void testSerialization() {
    DefaultKeyedValue v1 = new DefaultKeyedValue("Test", new Double(25.3));
    DefaultKeyedValue v2 = (DefaultKeyedValue) TestUtilities.serialised(v1);
    assertEquals(v1, v2);
}

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From source file:org.jfree.data.general.DefaultKeyedValueDataset.java

/**
 * Sets the value for the dataset and sends a {@link DatasetChangeEvent} to
 * all registered listeners.//from   ww w  . ja  v a2s .  c o m
 *
 * @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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From source file:org.jfree.data.DefaultKeyedValues.java

/**
 * Sorts the items in the list by key.// w ww.  j  ava  2  s  .  co m
 *
 * @param order  the sort order (<code>null</code> not permitted).
 */
public void sortByKeys(SortOrder order) {
    final int size = this.keys.size();
    final DefaultKeyedValue[] data = new DefaultKeyedValue[size];

    for (int i = 0; i < size; i++) {
        data[i] = new DefaultKeyedValue((Comparable) this.keys.get(i), (Number) this.values.get(i));
    }

    Comparator comparator = new KeyedValueComparator(KeyedValueComparatorType.BY_KEY, order);
    Arrays.sort(data, comparator);
    clear();

    for (int i = 0; i < data.length; i++) {
        final DefaultKeyedValue value = data[i];
        addValue(value.getKey(), value.getValue());
    }
}

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From source file:org.jfree.data.DefaultKeyedValues.java

/**
 * Sorts the items in the list by value.  If the list contains
 * <code>null</code> values, they will sort to the end of the list,
 * irrespective of the sort order.//from   w  ww  . j a v a  2 s.c  o m
 *
 * @param order  the sort order (<code>null</code> not permitted).
 */
public void sortByValues(SortOrder order) {
    final int size = this.keys.size();
    final DefaultKeyedValue[] data = new DefaultKeyedValue[size];
    for (int i = 0; i < size; i++) {
        data[i] = new DefaultKeyedValue((Comparable) this.keys.get(i), (Number) this.values.get(i));
    }

    Comparator comparator = new KeyedValueComparator(KeyedValueComparatorType.BY_VALUE, order);
    Arrays.sort(data, comparator);

    clear();
    for (int i = 0; i < data.length; i++) {
        final DefaultKeyedValue value = data[i];
        addValue(value.getKey(), value.getValue());
    }
}

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