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()
    Answers a new instance of the same class as the receiver, whose slots have been filled in with the values in the slots of the receiver.
    boolean
    equals(Object o)
    Compares the argument to the receiver, and answers true if they represent the same object using a class specific comparison.
    protected void
    finalize()
    Deprecated, for removal: This API element is subject to removal in a future version.
    May cause performance issues, deadlocks and hangs.
    final Class<? extends Object>
    getClass()
    Answers the unique instance of java.lang.Class which represents the class of the receiver.
    int
    hashCode()
    Answers an integer hash code for the receiver.
    final void
    notify()
    Causes one thread which is waiting on the receiver to be made ready to run.
    final void
    notifyAll()
    Causes all threads which are waiting on the receiver to be made ready to run.
    String
    toString()
    Answers a string containing a concise, human-readable description of the receiver.
    final void
    wait()
    Causes the thread which sent this message to be made not ready to run pending some change in the receiver (as indicated by notify or notifyAll).
    final void
    wait(long time)
    Causes the thread which sent this message to be made not ready to run either pending some change in the receiver (as indicated by notify or notifyAll) or the expiration of the timeout.
    final void
    wait(long time, int frac)
    Causes the thread which sent this message to be made not ready to run either pending some change in the receiver (as indicated by notify or notifyAll) or the expiration of the timeout.

  • 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.