MapChangeEvent (Oracle Fusion Middleware Java API Reference for Oracle TopLink)

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Oracle Fusion Middleware Java API Reference for Oracle TopLink
11g Release 1 (11.1.1)
B32476-02

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oracle.toplink.descriptors.changetracking
Class MapChangeEvent

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

All Implemented Interfaces:: java.io.Serializable

public class MapChangeEvent

extends CollectionChangeEvent

Purpose: Define a change event for Map types.

Description: For any object that wishes to use either object change tracking or attribute change tracking, its map attributes need to fire MapChangeEvent in the put or remove methods. In the case of a replace (ie key already exists) both a remove for that key and a put using the new value and old key must be fired.

Responsibilities: Create a MapChangeEvent for an object

See Also:: Serialized Form

Field Summary

Fields inherited from class oracle.toplink.descriptors.changetracking.CollectionChangeEvent
`ADD, REMOVE`

Constructor Summary
`MapChangeEvent(java.lang.Object collectionOwner, java.lang.String propertyName, java.lang.Object collectionChanged, java.lang.Object elementKey, java.lang.Object elementValue, int changeType)` Create a MapChangeEvent for an object based on the property name, the updated Map, the new Key and the new Value and change type (add or remove)

Method Summary

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`

Constructor Detail

MapChangeEvent

public MapChangeEvent(java.lang.Object collectionOwner,
                      java.lang.String propertyName,
                      java.lang.Object collectionChanged,
                      java.lang.Object elementKey,
                      java.lang.Object elementValue,
                      int changeType)

Create a MapChangeEvent for an object based on the property name, the updated Map, the new Key and the new Value and change type (add or remove)