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:

  • Constructor Summary

    Constructors
    Constructor
    Description
    AttributeChangeNotificationFilter()
    Constructs an 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 Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    Modifier and Type
    Method
    Description
    protected Object
    clone()
    Creates and returns a copy of this object.
    boolean
    equals(Object obj)
    Indicates whether some other object is "equal to" this one.
    protected void
    finalize()
    Deprecated, for removal: This API element is subject to removal in a future version.
    Finalization is deprecated and subject to removal in a future release.
    final Class<?>
    getClass()
    Returns the runtime class of this Object.
    int
    hashCode()
    Returns a hash code value for this object.
    final void
    notify()
    Wakes up a single thread that is waiting on this object's monitor.
    final void
    notifyAll()
    Wakes up all threads that are waiting on this object's monitor.
    String
    toString()
    Returns a string representation of the object.
    final void
    wait()
    Causes the current thread to wait until it is awakened, typically by being notified or interrupted.
    final void
    wait(long timeoutMillis)
    Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
    final void
    wait(long timeoutMillis, int nanos)
    Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

  • Constructor Details

    • AttributeChangeNotificationFilter

      public AttributeChangeNotificationFilter()
      Constructs an AttributeChangeNotificationFilter.

  • Method Details

    • 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(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.