javax.management
Class AttributeChangeNotificationFilter

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

public class AttributeChangeNotificationFilter

extends java.lang.Object

implements NotificationFilter, java.io.Serializable

This class implements of the NotificationFilter interface for the attribute change notification. The filtering is performed on the name of the observed attribute.

It manages a list of enabled attribute names. A method allows users to enable/disable as many attribute names as required.

See Also:

Serialized Form

Constructor Summary

AttributeChangeNotificationFilter()
Default no arg constructor

Method Summary

void	disableAllAttributes() Disables all the attribute names.
void	disableAttribute(java.lang.String name) Disables all the notifications whose MBean attribute name equals the specified attribute name to be sent to the listener.
void	enableAttribute(java.lang.String name) Enables all the notifications whose MBean attribute name equals the specified attribute name to be sent to the listener.
java.util.Vector	getEnabledAttributes() Gets all the enabled attribute names for this filter.
boolean	isNotificationEnabled(Notification notification) Invoked before sending the specified notification to the listener.

Methods inherited from class java.lang.Object

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

Constructor Detail

AttributeChangeNotificationFilter

public AttributeChangeNotificationFilter()

Default no arg constructor

Method Detail

isNotificationEnabled

public boolean isNotificationEnabled(Notification notification)

Invoked before sending the specified notification to the listener. This filter compares the attribute name with each enabled attribute name. If the MBean attribute name equals one of the enabled attribute name, the notification has to be sent to the listener and this method returns true.

Specified by:

isNotificationEnabled in interface NotificationFilter

Parameters:

notification - The notification to be sent.

Returns:

True if the notification has to be sent to the listener, false otherwise.

disableAllAttributes

public void disableAllAttributes()

Disables all the attribute names.

disableAttribute

public void disableAttribute(java.lang.String name)

Disables all the notifications whose MBean attribute name equals the specified attribute name to be sent to the listener. If the specified prefix is not in the list of enabled attribute names, this method has no effect.

Parameters:

name - The MBean attribute name.

enableAttribute

public void enableAttribute(java.lang.String name)
                     throws java.lang.IllegalArgumentException

Enables all the notifications whose MBean attribute name equals the specified attribute name to be sent to the listener. If the specified name is already in the list of enabled attribute names, this method has no effect.

Parameters:

name - The MBean attribute name.

Throws:

java.lang.IllegalArgumentException - - The MBean attribute name parameter is null.

getEnabledAttributes

public java.util.Vector getEnabledAttributes()

Gets all the enabled attribute names for this filter.

Returns:

The list containing all the enabled attribute names.