javax.management
Class AttributeChangeNotification

java.lang.Object
  java.util.EventObject
      javax.management.Notification (src) 
          javax.management.AttributeChangeNotification

All Implemented Interfaces:

java.io.Serializable

public class AttributeChangeNotification

extends Notification (src)

This is the mandated object for sending notifications of attribute changes. The MBean may also send other types of notifications. The MBean must implement the NotificationBroadcaster (src) interface to send this notification.

The following information is provided in addition to the that provided by Notification (src) . The attribute's name, type, old value and new value.

The notification type is "jmx.attribute.change", defined in the static string ATTRIBUTE_CHANGE.

See Also:

AttributeChangeNotificationFilter (src) , Serialized Form

ATTRIBUTE_CHANGE

public static final java.lang.String ATTRIBUTE_CHANGE

The AttributeChangeNotification notification type. It is "jmx.attribute.change".

See Also:

Constant Field Values (src)

AttributeChangeNotification

public AttributeChangeNotification(java.lang.Object source,
                                   long sequenceNumber,
                                   long timeStamp,
                                   java.lang.String msg,
                                   java.lang.String attributeName,
                                   java.lang.String attributeType,
                                   java.lang.Object oldValue,
                                   java.lang.Object newValue)

Contruct a new attribute change notification.

Parameters:

source - the source of the notification.

sequenceNumber - the instance of this notification.

timeStamp - the time the notification was generated.

msg - a human readable form of the change.

attributeName - the name of the attribute.

attributeType - the type of the attribute.

oldValue - the old value of the attribute.

newValue - the new value of the attribute.

getAttributeName

public java.lang.String getAttributeName()

Retrieves the name of the attribute.

Returns:

the name of the attribute.

getAttributeType

public java.lang.String getAttributeType()

Retrieves the type of the attribute.

Returns:

the type of the attribute.

getOldValue

public java.lang.Object getOldValue()

Retrieves the old value of the attribute.

Returns:

the old value of the attribute.

getNewValue

public java.lang.Object getNewValue()

Retrieves the new value of the attribute.

Returns:

the new value of the attribute.

toString

public java.lang.String toString()

Overrides:

toString in class Notification (src)

Returns:

human readable string.