Package com.caplin.management.jmx.relations

Class RelationSetNotification

java.lang.Object

java.util.EventObject

javax.management.Notification

com.caplin.management.jmx.relations.RelationSetNotification

All Implemented Interfaces:

Serializable

public class RelationSetNotification
extends Notification

Represents a change to the state of a RelationSet. A RelationSetNotification with an ELEMENT_ADDED type will be emitted if an element has been added to the RelationSet, whilst an ELEMENT_REMOVED type will be used if an element has been removed. The name of the RelationSet attribute, along with the value and type of the element that has been added or removed, will also be available.

See Also:

• Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	RelationSetNotification.NotificationType	A type safe enumeration representation of the different possible types of RelationSet notifications.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	ELEMENT_ADDED	Notification type which indicates that an element has been added to the observed RelationSet attribute.
static final String	ELEMENT_REMOVED	Notification type which indicates that an element has been removed from the observed RelationSet attribute.

Fields inherited from class javax.management.Notification

source

Constructor Summary

Constructors

Constructor	Description
RelationSetNotification(RelationSetNotification.NotificationType type, Object source, long sequenceNumber, String message, String attributeName, Object elementValue, String elementType)	Constructs the notification with the required arguments.

Method Summary

Modifier and Type	Method	Description
String	getAttributeName()	Gets the name of the attribute that this notification applies to.
String	getElementType()	Gets the fully qualified class name of the object returned by getElementValue().
Object	getElementValue()	Gets the object that represents the element that was added to or removed from the RelationSet.

Methods inherited from class javax.management.Notification

getMessage, getSequenceNumber, getTimeStamp, getType, getUserData, setSequenceNumber, setSource, setTimeStamp, setUserData, toString

Methods inherited from class java.util.EventObject

getSource

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

ELEMENT_ADDED

public static final String ELEMENT_ADDED

Notification type which indicates that an element has been added to the observed RelationSet attribute.

The value of this type string is caplin.relationset.element.added.

See Also:

• Constant Field Values

ELEMENT_REMOVED

public static final String ELEMENT_REMOVED

Notification type which indicates that an element has been removed from the observed RelationSet attribute.

The value of this type string is caplin.relationset.element.removed.

See Also:

• Constant Field Values

Constructor Details

RelationSetNotification

public RelationSetNotification(RelationSetNotification.NotificationType type,
 Object source,
 long sequenceNumber,
 String message,
 String attributeName,
 Object elementValue,
 String elementType)

Constructs the notification with the required arguments.

Parameters:

type - The type of the notification (i.e. element added or removed).

source - The source of the notification. This should be the ObjectName of the MBean that omitted the notification.

sequenceNumber - The notification sequence number within the source object.

message - The detailed message.

attributeName - The name of the attribute that this notification applies to.

elementValue - An object that represents the element that was added to or removed from the RelationSet.

elementType - The fully qualified class name of the object specified for the elementValue argument.

Throws:

IllegalArgumentException - If the type, source, elementName, elementValue or elementType arguments are null.

Method Details

getAttributeName

public String getAttributeName()

Gets the name of the attribute that this notification applies to.

Returns:

The name of the attribute that this notification applies to.

getElementValue

public Object getElementValue()

Gets the object that represents the element that was added to or removed from the RelationSet.

Returns:

The object that represents the element that was added to or removed from the RelationSet.

getElementType

public String getElementType()

Gets the fully qualified class name of the object returned by getElementValue().

Returns:

The fully qualified class name of the object returned by getElementValue().