javax.management
Class AttributeChangeNotificationFilterjava.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.
- Version:
- 1.14
- Author:
- Cosimo Vampo, Attilio Mattiocco, Chiara Montecchio
- See Also:
- Serialized Form
Constructor Summary
AttributeChangeNotificationFilter()
Method Summary
void disableAllAttributes()
Disables all the attribute names.void disableAttribute(java.lang.String attributeName)
Disables all the attribute change notifications the attribute name of which equals the specified attribute name to be sent to the listener.void enableAttribute(java.lang.String attributeName)
Enables all the attribute change notifications the attribute name of which equals the specified 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 of the specified attribute change notification with each enabled attribute name. If the attribute name equals one of the enabled attribute names, the notification must be sent to the listener and this method returns true.
- Specified by:
- isNotificationEnabled in interface NotificationFilter
Parameters:
- notification - The attribute change 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 attributeName) throws java.lang.IllegalArgumentException
- Enables all the attribute change notifications the attribute name of which equals the specified 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:
- attributeName - The attribute name.
Throws:
- java.lang.IllegalArgumentException - The attribute name parameter is null.
disableAttribute
public void disableAttribute(java.lang.String attributeName)
- Disables all the attribute change notifications the attribute name of which equals the specified attribute name to be sent to the listener. If the specified name is not in the list of enabled attribute names, this method has no effect.
Parameters:
- attributeName - The 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.