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Java Source Code / Java Documentation » JMX » jfoxmx » javax.management 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   javax.management.NotificationFilterSupport

All known Subclasses:   javax.management.relation.MBeanServerNotificationFilter,
NotificationFilterSupport
public class NotificationFilterSupport implements NotificationFilter,Serializable(Code)
Provides an implementation of the javax.management.NotificationFilter interface. The filtering is performed on the notification type attribute.

Manages a list of enabled notification types. A method allows users to enable/disable as many notification types as required.

Then, before sending a notification to a listener registered with a filter, the notification broadcaster compares this notification type with all notification types enabled by the filter. The notification will be sent to the listener only if its filter enables this notification type.

Example:

 NotificationFilterSupport myFilter = new NotificationFilterSupport();
 myFilter.enableType("my_example.my_type");
 myBroadcaster.addListener(myListener, myFilter, null);
 
The listener myListener will only receive notifications the type of which equals/starts with "my_example.my_type".
See Also:   javax.management.NotificationBroadcaster.addNotificationListener
author:
   Young Yang




Method Summary
public synchronized  voiddisableAllTypes()
     Disables all notification types.
public synchronized  voiddisableType(String prefix)
     Disables all notifications the type of which starts with the specified prefix to be sent to the listener.
public synchronized  voidenableType(String prefix)
     Enables all the notifications the type of which starts with the specified prefix to be sent to the listener.
public synchronized  VectorgetEnabledTypes()
     Gets all the enabled notification types for this filter.
public synchronized  booleanisNotificationEnabled(Notification notification)
     Invoked before sending the specified notification to the listener.
This filter compares the type of the specified notification with each enabled type. If the notification type matches one of the enabled types, the notification should be sent to the listener and this method returns true.
Parameters:
  notification - The notification to be sent.



Method Detail
disableAllTypes
public synchronized void disableAllTypes()(Code)
Disables all notification types.



disableType
public synchronized void disableType(String prefix)(Code)
Disables all notifications the type of which starts with the specified prefix to be sent to the listener.
If the specified prefix is not in the list of enabled notification types, this method has no effect.
Parameters:
  prefix - The prefix.



enableType
public synchronized void enableType(String prefix) throws java.lang.IllegalArgumentException(Code)
Enables all the notifications the type of which starts with the specified prefix to be sent to the listener.
If the specified prefix is already in the list of enabled notification types, this method has no effect.

Example:

 // Enables all notifications the type of which starts with "my_example" to be sent.
 myFilter.enableType("my_example");
 // Enables all notifications the type of which is "my_example.my_type" to be sent.
 myFilter.enableType("my_example.my_type");
 
Note that:
myFilter.enableType("my_example.*");
will no match any notification type.
Parameters:
  prefix - The prefix.
exception:
  java.lang.IllegalArgumentException - The prefix parameter is null.



getEnabledTypes
public synchronized Vector getEnabledTypes()(Code)
Gets all the enabled notification types for this filter. The list containing all the enabled notification types.



isNotificationEnabled
public synchronized boolean isNotificationEnabled(Notification notification)(Code)
Invoked before sending the specified notification to the listener.
This filter compares the type of the specified notification with each enabled type. If the notification type matches one of the enabled types, the notification should be sent to the listener and this method returns true.
Parameters:
  notification - The notification to be sent. true if the notification should be sent to the listener, false otherwise.



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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