javax.management
Class NotificationBroadcasterSupport

java.lang.Object
  |
  +--javax.management.NotificationBroadcasterSupport

All Implemented Interfaces:

NotificationBroadcaster

Direct Known Subclasses:

Monitor, RelationService, Timer

public class NotificationBroadcasterSupport

extends java.lang.Object

implements NotificationBroadcaster

Author:

Young Yang

Constructor Summary

NotificationBroadcasterSupport()

Method Summary

void	addNotificationListener(NotificationListener listener, NotificationFilter filter, java.lang.Object handback) Adds a listener.
MBeanNotificationInfo[]	getNotificationInfo() Returns a NotificationInfo object contaning the name of the Java class of the notification and the notification types sent.
void	removeNotificationListener(NotificationListener listener) Removes a listener.
void	sendNotification(Notification notification) Sends a notification.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NotificationBroadcasterSupport

public NotificationBroadcasterSupport()

Method Detail

addNotificationListener

public void addNotificationListener(NotificationListener listener,
                                    NotificationFilter filter,
                                    java.lang.Object handback)

Adds a listener.

Specified by:

addNotificationListener in interface NotificationBroadcaster

Parameters:

listener - The listener to receive notifications.

filter - The filter object. If filter is null, no filtering will be performed before handling notifications.

handback - An opaque object to be sent back to the listener when a notification is emitted. This object cannot be used by the Notification broadcaster object. It should be resent unchanged with the notification to the listener.

removeNotificationListener

public void removeNotificationListener(NotificationListener listener)
                                throws ListenerNotFoundException

Removes a listener. Note that if the listener has been registered with different handback objects or notification filters, all entries corresponding to the listener will be removed.

Specified by:

removeNotificationListener in interface NotificationBroadcaster

Parameters:

listener - the listener to receive notifications.

Throws:

ListenerNotFoundException

getNotificationInfo

public MBeanNotificationInfo[] getNotificationInfo()

Returns a NotificationInfo object contaning the name of the Java class of the notification and the notification types sent.

Specified by:

getNotificationInfo in interface NotificationBroadcaster

sendNotification

public void sendNotification(Notification notification)

Sends a notification. A listener will be removed if an exception appears when calling the listener's handleNotification method.

Parameters:

notification -