BaseModelMBean.java 文件源码

/**
 * Add an attribute change notification event listener to this MBean.
 *
 * @param listener
 *            Listener that will receive event notifications
 * @param name
 *            Name of the attribute of interest, or <code>null</code> to
 *            indicate interest in all attributes
 * @param handback
 *            Handback object to be sent along with event notifications
 *
 * @exception IllegalArgumentException
 *                if the listener parameter is null
 */
@Override
public void addAttributeChangeNotificationListener(NotificationListener listener, String name, Object handback)
        throws IllegalArgumentException {

    if (listener == null)
        throw new IllegalArgumentException("Listener is null");
    if (attributeBroadcaster == null)
        attributeBroadcaster = new BaseNotificationBroadcaster();

    if (log.isDebugEnabled())
        log.debug("addAttributeNotificationListener " + listener);

    BaseAttributeFilter filter = new BaseAttributeFilter(name);
    attributeBroadcaster.addNotificationListener(listener, filter, handback);

}