org.eclipse.persistence.descriptors.changetracking
Class CollectionChangeEvent

java.lang.Object
  java.util.EventObject
      java.beans.PropertyChangeEvent
          org.eclipse.persistence.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
protected int	changeType INTERNAL: Change type is either add or remove
static int	REMOVE

Fields inherited from class java.util.EventObject

source

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)

Method Summary

int	getChangeType() INTERNAL: Return the change type
void	setChangeType(int changeType) INTERNAL: Set the change type

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

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

Field Detail

ADD

public static int ADD

REMOVE

public static int REMOVE

changeType

protected int changeType

INTERNAL: Change type is either add or 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)

Method Detail

getChangeType

public int getChangeType()

INTERNAL: Return the change type

setChangeType

public void setChangeType(int changeType)

INTERNAL: Set the change type