org.granite.client.tide.data

Class ChangeMerger

java.lang.Object

org.granite.client.tide.data.ChangeMerger

All Implemented Interfaces:

DataMerger

public class ChangeMerger
extends java.lang.Object
implements DataMerger

Created by william on 10/01/14.

Constructor Summary

Constructors

Constructor and Description
ChangeMerger()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	accepts(java.lang.Object obj) Should return true if this merger is able to handle the specified object
java.lang.Object	merge(MergeContext mergeContext, java.lang.Object changeSet, java.lang.Object previous, java.lang.Object parent, java.lang.String propertyName) Merge an entity coming from the server in the entity manager

Methods inherited from class java.lang.Object

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

Constructor Detail

ChangeMerger

public ChangeMerger()

Method Detail

accepts

public boolean accepts(java.lang.Object obj)

Should return true if this merger is able to handle the specified object

Specified by:

accepts in interface DataMerger

Parameters:

obj - an object

Returns:

true if object can be handled

merge

public java.lang.Object merge(MergeContext mergeContext,
                     java.lang.Object changeSet,
                     java.lang.Object previous,
                     java.lang.Object parent,
                     java.lang.String propertyName)

Merge an entity coming from the server in the entity manager

Specified by:

merge in interface DataMerger

Parameters:

mergeContext - current merge context

changeSet - incoming change/changeSet

previous - previously existing object in the context (null if no existing object)

parent - parent object for collections

propertyName - property name of the collection in the owner object

Returns:

merged entity (=== previous when previous not null)