Package cz.cvut.kbss.jopa.sessions.merge

Class DefaultValueMerger

java.lang.Object

cz.cvut.kbss.jopa.sessions.merge.DefaultValueMerger

All Implemented Interfaces:

ValueMerger

public class DefaultValueMerger
extends Object
implements ValueMerger

Constructor Summary

Constructors

Constructor	Description
DefaultValueMerger()

Method Summary

Modifier and Type	Method	Description
void	mergeValue(FieldSpecification<?,?> att, Object target, Object mergedValue)
void	mergeValue(Object target, ChangeRecord changeRecord, Descriptor attributeDescriptor)	Merges new value specified by the change record into the target object.

Methods inherited from class java.lang.Object

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

Constructor Details

DefaultValueMerger

public DefaultValueMerger()

Method Details

mergeValue

public void mergeValue(FieldSpecification<?,?> att,
 Object target,
 Object mergedValue)

mergeValue

public void mergeValue(Object target,
 ChangeRecord changeRecord,
 Descriptor attributeDescriptor)

Description copied from interface: ValueMerger

Merges new value specified by the change record into the target object.

Note that the change record may be modified during the merge (e.g., in case the new value is a detached instance of a managed type and a corresponding object needs to be loaded from the underlying repository).

Specified by:

mergeValue in interface ValueMerger

Parameters:

target - Target of the merge

changeRecord - Description of the change (including the new value)

attributeDescriptor - Specifies context of the merged attribute