Class AttributeChangeNotificationFilter
- java.lang.Object
-
- javax.management.AttributeChangeNotificationFilter
- All Implemented Interfaces:
-
Serializable
,NotificationFilter
public class AttributeChangeNotificationFilter extends Object implements NotificationFilter
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.
- Since:
- 1.5
- See Also:
- Serialized Form
Constructor Summary
Constructor | Description |
---|---|
AttributeChangeNotificationFilter() |
Method Summary
Modifier and Type | Method | Description |
---|---|---|
void | disableAllAttributes() | Disables all the attribute names. |
void | disableAttribute(String name) | Disables all the attribute change notifications the attribute name of which equals the specified attribute name to be sent to the listener. |
void | enableAttribute(String name) | Enables all the attribute change notifications the attribute name of which equals the specified name to be sent to the listener. |
Vector<String> | getEnabledAttributes() | Gets all the enabled attribute names for this filter. |
boolean | isNotificationEnabled(Notification notification) | Invoked before sending the specified notification to the listener. |
Methods declared in 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 interfaceNotificationFilter
- 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(String name) throws 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:
-
name
- The attribute name. - Throws:
-
IllegalArgumentException
- The attribute name parameter is null.
disableAttribute
public void disableAttribute(String name)
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:
-
name
- The attribute name.
disableAllAttributes
public void disableAllAttributes()
Disables all the attribute names.
getEnabledAttributes
public Vector<String> getEnabledAttributes()
Gets all the enabled attribute names for this filter.
- Returns:
- The list containing all the enabled attribute names.