NotificationBroadcasterSupport JDK 1.6)

Description

public class NotificationBroadcasterSupport

Provides an implementation of NotificationEmitter interface.

See also:

Constructors

public NotificationBroadcasterSupport ()

Constructs a NotificationBroadcasterSupport where each listener is invoked by the thread sending the notification.

public NotificationBroadcasterSupport (Executor executor)

Constructs a NotificationBroadcasterSupport where each listener is invoked using the given Executor.

Constructs a NotificationBroadcasterSupport where each listener is invoked using
the given Executor. When sendNotification is called, a listener is selected if it was added with a null
NotificationFilter, or if isNotificationEnabled returns true for the notification being sent. The call to
NotificationFilter.isNotificationEnabled takes place in the thread
that called sendNotification. Then, for each selected listener,
executor.execute is called with a command
that calls the handleNotification method.
This constructor is equivalent to
NotificationBroadcasterSupport(executor, null).
Parameters:
- executor - an executor used by the method sendNotification to send each notification. If it is null, the thread calling sendNotification will invoke the handleNotification method itself.
Since: 1.6

public NotificationBroadcasterSupport (Executor executor, MBeanNotificationInfo info)

Constructs a NotificationBroadcasterSupport with information about the notifications that may be sent, and where each listener is invoked using the given Executor.

When sendNotification is called, a listener is selected if it was added with a null NotificationFilter, or if isNotificationEnabled returns true for the notification being sent. The call to NotificationFilter.isNotificationEnabled takes place in the thread that called sendNotification. Then, for each selected listener, executor.execute is called with a command that calls the handleNotification method.

If the info array is not empty, then it is cloned by the constructor as if by info.clone(), and each call to NotificationBroadcasterSupport.getNotificationInfo() returns a new clone.

Parameters:
- executor - an executor used by the method sendNotification to send each notification. If it is null, the thread calling sendNotification will invoke the handleNotification method itself.
- info - an array indicating, for each notification this MBean may send, the name of the Java class of the notification and the notification type. Can be null, which is equivalent to an empty array.
Since: 1.6

public NotificationBroadcasterSupport (MBeanNotificationInfo info)

Constructs a NotificationBroadcasterSupport with information about the notifications that may be sent.

Methods

Hide/Show inherited methods

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

Adds a listener.

public MBeanNotificationInfo getNotificationInfo ()

protected void handleNotification (NotificationListener listener, Notification notif, Object handback)

This method is called by sendNotification for each listener in order to send the notification to that listener.

This method is called by sendNotification for each listener in order to send the notification to that listener. It can be overridden in subclasses to change the behavior of notification delivery, for instance to deliver the notification in a separate thread.

The default implementation of this method is equivalent to

 listener.handleNotification(notif, handback);

Parameters:
- listener - the listener to which the notification is being delivered.
- notif - the notification being delivered to the listener.
- handback - the handback object that was supplied when the listener was added.

public void removeNotificationListener (NotificationListener listener) throws ListenerNotFoundException

public void removeNotificationListener (NotificationListener listener, NotificationFilter filter, Object handback) throws ListenerNotFoundException [Specified in NotificationEmitter]

public void sendNotification (Notification notification)

Sends a notification.

Sends a notification.

If an Executor was specified in the constructor, it will be given one
task per selected listener to deliver the notification to that listener.
Parameters:
- notification - The notification to send.