java类java.beans.IndexedPropertyChangeEvent的实例源码

public void testFireIndexedPropertyChange() {
    final Object src = new Object();
    PropertyChangeSupport pcs = new PropertyChangeSupport(src);
    pcs.addPropertyChangeListener(new PropertyChangeListener() {
        public void propertyChange(PropertyChangeEvent evt) {
            assertEquals(src, evt.getSource());
            assertEquals(0, ((IndexedPropertyChangeEvent)evt).getIndex());
            assertEquals("one", evt.getOldValue());
            assertEquals("two", evt.getNewValue());
        }
    });

    pcs.fireIndexedPropertyChange("foo", 0, "one", "two");
}

public void propertyChange(PropertyChangeEvent event) {
    Object value = event.getNewValue();
    if (value.equals(event.getOldValue())) {
        throw new Error("new value is equal to old one");
    }
    if (!this.name.equals(event.getPropertyName())) {
        throw new Error("unexpected property name");
    } else if (this.name.equals(COLOR)) {
        if (!value.equals(this.color)) {
            throw new Error("unexpected object value");
        }
    } else if (this.name.equals(BOOLEAN)) {
        if (!value.equals(Boolean.valueOf(this.flag))) {
            throw new Error("unexpected boolean value");
        }
    } else if (this.name.equals(INTEGER)) {
        if (!value.equals(Integer.valueOf(this.value))) {
            throw new Error("unexpected integer value");
        }
    } else {
        throw new Error("unexpected property name");
    }
    if (event instanceof IndexedPropertyChangeEvent) {
        IndexedPropertyChangeEvent ipce = (IndexedPropertyChangeEvent) event;
        if (this.index != ipce.getIndex()) {
            throw new Error("unexpected property index");
        }
    } else {
        throw new Error("unexpected event type");
    }
    System.out.println(this.name + " at " + this.index + " is " + value);

    this.name = null;
    this.index = -1;
}

public void fireIndexedPropertyChange(final String propertyName, final int index, final Object oldValue, final Object newValue)
{
    final IndexedPropertyChangeEvent event = new IndexedPropertyChangeEvent(source, propertyName, oldValue, newValue, index);
    firePropertyChange(event);
}

public void fireIndexedPropertyChange(final String propertyName, final int index, final int oldValue, final int newValue)
{
    final IndexedPropertyChangeEvent event = new IndexedPropertyChangeEvent(source, propertyName, oldValue, newValue, index);
    firePropertyChange(event);
}

public void fireIndexedPropertyChange(final String propertyName, final int index, final boolean oldValue, final boolean newValue)
{
    final IndexedPropertyChangeEvent event = new IndexedPropertyChangeEvent(source, propertyName, oldValue, newValue, index);
    firePropertyChange(event);
}

private void addIndexedPropertyChange(String name, int index, Object oldValue, Object newValue){
    synchronized (eventsLock) {
        IndexedPropertyChangeEvent evt = new IndexedPropertyChangeEvent(this, name, oldValue, newValue, index);
        events.push(evt);
    }
}