javax.management
Class AttributeChangeNotificationFilter

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

public class AttributeChangeNotificationFilter
extends java.lang.Object
implements NotificationFilter, java.io.Serializable

This class provides an implementation of the NotificationFilter interface for the AttributeChangeNotifications. The filtering is performed on the name of the observed attribute.

This class 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()
           
 
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()
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.

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.

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.

disableAllAttributes

public void disableAllAttributes()
Disables all the attribute names.

getEnabledAttributes

public java.util.Vector getEnabledAttributes()
Gets all the enabled attribute names for this filter.
Returns:
The list containing all the enabled attribute names.