EclipseLink 2.2.0, build 'v20110202-r8913' API Reference

org.eclipse.persistence.descriptors.changetracking
Class CollectionChangeEvent

java.lang.Object
  extended by java.util.EventObject
      extended by java.beans.PropertyChangeEvent
          extended by 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
protected  java.lang.Integer index
          INTERNAL: index is the location of the change in the collection
protected  boolean isSet
          INTERNAL: Set operation in IndirectList results in raising two events: removal of the old value and addition of the new one at the same index: oldValue = list.set(i, newValue); raiseRemoveEvent(i, oldValue, true); raiseAddEvent(i, newValue, true); This flag indicates whether the event was raised by set operation on the list.
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)
CollectionChangeEvent(java.lang.Object collectionOwner, java.lang.String propertyName, java.lang.Object collectionChanged, java.lang.Object elementChanged, int changeType, java.lang.Integer index)
          PUBLIC: Create a CollectionChangeEvent for an object based on the property name, old value, new value, change type (add or remove) and the index where the object is/was in the collection (list)
CollectionChangeEvent(java.lang.Object collectionOwner, java.lang.String propertyName, java.lang.Object collectionChanged, java.lang.Object elementChanged, int changeType, java.lang.Integer index, boolean isSet)
          PUBLIC: Create a CollectionChangeEvent for an object based on the property name, old value, new value, change type (add or remove) and the index where the object is/was in the collection (list), flag indicating whether the change (addition or removal) is part of a single set operation on a list.
 
Method Summary
 int getChangeType()
          INTERNAL: Return the change type
 java.lang.Integer getIndex()
          INTERNAL: Return the index of the change in the collection
 boolean isSet()
          INTERNAL: Return whether the event was raised by set operation on the list.
 void setIndex(java.lang.Integer index)
          INTERNAL: Set the index of the change in the collection
 
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


index

protected java.lang.Integer index
INTERNAL: index is the location of the change in the collection


isSet

protected boolean isSet
INTERNAL: Set operation in IndirectList results in raising two events: removal of the old value and addition of the new one at the same index: oldValue = list.set(i, newValue); raiseRemoveEvent(i, oldValue, true); raiseAddEvent(i, newValue, true); This flag indicates whether the event was raised by set operation on the list.

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)


CollectionChangeEvent

public CollectionChangeEvent(java.lang.Object collectionOwner,
                             java.lang.String propertyName,
                             java.lang.Object collectionChanged,
                             java.lang.Object elementChanged,
                             int changeType,
                             java.lang.Integer index)
PUBLIC: Create a CollectionChangeEvent for an object based on the property name, old value, new value, change type (add or remove) and the index where the object is/was in the collection (list)


CollectionChangeEvent

public CollectionChangeEvent(java.lang.Object collectionOwner,
                             java.lang.String propertyName,
                             java.lang.Object collectionChanged,
                             java.lang.Object elementChanged,
                             int changeType,
                             java.lang.Integer index,
                             boolean isSet)
PUBLIC: Create a CollectionChangeEvent for an object based on the property name, old value, new value, change type (add or remove) and the index where the object is/was in the collection (list), flag indicating whether the change (addition or removal) is part of a single set operation on a list.

Method Detail

getChangeType

public int getChangeType()
INTERNAL: Return the change type


isSet

public boolean isSet()
INTERNAL: Return whether the event was raised by set operation on the list.


getIndex

public java.lang.Integer getIndex()
INTERNAL: Return the index of the change in the collection


setIndex

public void setIndex(java.lang.Integer index)
INTERNAL: Set the index of the change in the collection


EclipseLink 2.2.0, build 'v20110202-r8913' API Reference