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oracle.toplink.descriptors.changetracking
Class CollectionChangeEvent

java.lang.Object
java.util.EventObject
java.beans.PropertyChangeEvent
oracle.toplink.descriptors.changetracking.CollectionChangeEvent

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

MapChangeEvent

public class CollectionChangeEvent

extends java.beans.PropertyChangeEvent

Purpose: Define a change event for collection types.

Description: For any object that wishes to use either object change tracking or attribute change tracking, its collection attributes need to fire CollectionChangeEvent in the add or remove methods.

Responsibilities: Create a CollectionChangeEvent for an object

See Also:

Serialized Form

Field Summary

static int	ADD
static int	REMOVE

Constructor Summary

CollectionChangeEvent(java.lang.Object collectionOwner, java.lang.String propertyName, java.lang.Object collectionChanged, java.lang.Object elementChanged, int changeType)
PUBLIC: Create a CollectionChangeEvent for an object based on the property name, old value, new value and change type (add or remove)

Methods inherited from class java.beans.PropertyChangeEvent

getNewValue, getOldValue, getPropagationId, getPropertyName, setPropagationId

Methods inherited from class java.util.EventObject

getSource, toString

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

ADD

public static int ADD

REMOVE

public static int REMOVE

Constructor Detail

CollectionChangeEvent

public CollectionChangeEvent(java.lang.Object collectionOwner,
                             java.lang.String propertyName,
                             java.lang.Object collectionChanged,
                             java.lang.Object elementChanged,
                             int changeType)

PUBLIC: Create a CollectionChangeEvent for an object based on the property name, old value, new value and change type (add or remove)

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