Module org.eclipse.persistence.core

Package org.eclipse.persistence.internal.sessions

Class TransformationMappingChangeRecord

java.lang.Object

org.eclipse.persistence.internal.sessions.ChangeRecord

org.eclipse.persistence.internal.sessions.TransformationMappingChangeRecord

All Implemented Interfaces:

Serializable, ChangeRecord, TransformationMappingChangeRecord

public class TransformationMappingChangeRecord
extends ChangeRecord
implements TransformationMappingChangeRecord

Purpose: To record the changes for attributes that can be represented as Transformation Mapping

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected Object	oldValue
protected AbstractRecord	rowCollection

Fields inherited from class org.eclipse.persistence.internal.sessions.ChangeRecord

attribute, mapping, owner

Constructor Summary

Constructors

Constructor	Description
TransformationMappingChangeRecord()	This default constructor.
TransformationMappingChangeRecord(ObjectChangeSet owner)	This is the basic constructor for this change Record.

Method Summary

Modifier and Type	Method	Description
Object	getOldValue()	ADVANCED: Return the old value of the attribute represented by this ChangeRecord.
DataRecord	getRecord()	ADVANCED: This method is used to access the changes of the fields in a transformation mapping.
void	mergeRecord(ChangeRecord mergeFromRecord, UnitOfWorkChangeSet mergeToChangeSet, UnitOfWorkChangeSet mergeFromChangeSet)	INTERNAL: This method will be used to merge one record into another
void	setOldValue(Object oldValue)	INTERNAL: Set the old value of the attribute represented by this ChangeRecord.
void	setRow(AbstractRecord record)	This method is used to add a changed value to the changeRecord.
void	updateReferences(UnitOfWorkChangeSet mergeToChangeSet, UnitOfWorkChangeSet mergeFromChangeSet)	INTERNAL: This method will be used to update the objectsChangeSets references There is nothing to do for this mapping type as there are no object references

Methods inherited from class org.eclipse.persistence.internal.sessions.ChangeRecord

getAttribute, getMapping, getOwner, prepareForSynchronization, setAttribute, setMapping, setOwner, toString, updateChangeRecordWithNewValue

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.persistence.sessions.changesets.ChangeRecord

getAttribute, getOwner

Field Detail

rowCollection

protected AbstractRecord rowCollection

oldValue

protected transient Object oldValue

Constructor Detail

TransformationMappingChangeRecord

public TransformationMappingChangeRecord()

This default constructor.

TransformationMappingChangeRecord

public TransformationMappingChangeRecord(ObjectChangeSet owner)

This is the basic constructor for this change Record. This change record stores the fields that have changed as that is our current method of comparing changes.

Method Detail

getRecord

public DataRecord getRecord()

ADVANCED: This method is used to access the changes of the fields in a transformation mapping.

Specified by:

getRecord in interface TransformationMappingChangeRecord

Returns:

org.eclipse.persistence.sessions.Record

mergeRecord

public void mergeRecord(ChangeRecord mergeFromRecord,
                        UnitOfWorkChangeSet mergeToChangeSet,
                        UnitOfWorkChangeSet mergeFromChangeSet)

INTERNAL: This method will be used to merge one record into another

Specified by:

mergeRecord in class ChangeRecord

setRow

public void setRow(AbstractRecord record)

This method is used to add a changed value to the changeRecord. The changes in a transformation mapping are recorded on the database field level

Parameters:

record - Record the values from the transformation mapping

updateReferences

public void updateReferences(UnitOfWorkChangeSet mergeToChangeSet,
                             UnitOfWorkChangeSet mergeFromChangeSet)

INTERNAL: This method will be used to update the objectsChangeSets references There is nothing to do for this mapping type as there are no object references

Specified by:

updateReferences in class ChangeRecord

getOldValue

public Object getOldValue()

ADVANCED: Return the old value of the attribute represented by this ChangeRecord.

Specified by:

getOldValue in interface ChangeRecord

setOldValue

public void setOldValue(Object oldValue)

INTERNAL: Set the old value of the attribute represented by this ChangeRecord.