AttributeChangeNotificationpublic class AttributeChangeNotification extends Notification | Provides definitions of the attribute change notifications sent by MBeans.
It's up to the MBean owning the attribute of interest to create and send
attribute change notifications when the attribute change occurs.
So the NotificationBroadcaster interface has to be implemented
by any MBean for which an attribute change is of interest.
Example:
If an MBean called myMbean needs to notify registered listeners
when its attribute:
String myString
is modified, myMbean creates and emits the following notification:
new AttributeChangeNotification(myMbean, sequenceNumber, timeStamp, msg,
"myString", "String", oldValue, newValue);
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| Fields Summary |
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| private static final long | serialVersionUID | | public static final String | ATTRIBUTE_CHANGENotification type which indicates that the observed MBean attribute value has changed.
The value of this type string is jmx.attribute.change. | | private String | attributeName | | private String | attributeType | | private Object | oldValue | | private Object | newValue |
| Constructors Summary |
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public AttributeChangeNotification(Object source, long sequenceNumber, long timeStamp, String msg, String attributeName, String attributeType, Object oldValue, Object newValue)Constructs an attribute change notification object.
In addition to the information common to all notification, the caller must supply the name and type
of the attribute, as well as its old and new values.
super(AttributeChangeNotification.ATTRIBUTE_CHANGE, source, sequenceNumber, timeStamp, msg);
this.attributeName = attributeName;
this.attributeType = attributeType;
this.oldValue = oldValue;
this.newValue = newValue;
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| Methods Summary |
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| public java.lang.String | getAttributeName()Gets the name of the attribute which has changed.
return attributeName;
| | public java.lang.String | getAttributeType()Gets the type of the attribute which has changed.
return attributeType;
| | public java.lang.Object | getNewValue()Gets the new value of the attribute which has changed.
return newValue;
| | public java.lang.Object | getOldValue()Gets the old value of the attribute which has changed.
return oldValue;
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