de.aristaflow.adept2.model.common.changetracking

Class SimilarChangeCombiner

java.lang.Object

de.aristaflow.adept2.model.common.changetracking.SimilarChangeCombiner

All Implemented Interfaces:

ChangeCombiner, java.io.Serializable

public class SimilarChangeCombiner
extends java.lang.Object
implements ChangeCombiner

Combines similar changes, for instance the changes refer to the same property value. For instance for such a property value adding and removing is a no-op but removing and adding is a change.

Author:

Ulrich Kreher

See Also:

Serialized Form

Field Summary

Fields inherited from interface de.aristaflow.adept2.model.common.changetracking.ChangeCombiner

DIFFERENT_CHANGES, EQUAL_CHANGES, SIMILAR_CHANGES

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	SimilarChangeCombiner() Creates a new combiner for similar changes.

Method Summary

Modifier and Type	Method and Description
ChangeType	combineChanges(ChangeType type1, ChangeType type2) Combines two changes, for a property.

Methods inherited from class java.lang.Object

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

Constructor Detail

SimilarChangeCombiner

protected SimilarChangeCombiner()

Creates a new combiner for similar changes.

Method Detail

combineChanges

public ChangeType combineChanges(ChangeType type1,
                                 ChangeType type2)

Description copied from interface: ChangeCombiner

Combines two changes, for a property.

Specified by:

combineChanges in interface ChangeCombiner

Parameters:

type1 - The first change to combine. null is treated as NONE.

type2 - The second change to combine. null is treated as NONE.

Returns:

The combination of the two changes relative to a property.