Module org.eclipse.persistence.core

Package org.eclipse.persistence.internal.sessions

Class DirectMapChangeRecord

java.lang.Object

org.eclipse.persistence.internal.sessions.ChangeRecord

org.eclipse.persistence.internal.sessions.DeferrableChangeRecord

org.eclipse.persistence.internal.sessions.DirectMapChangeRecord

All Implemented Interfaces:

Serializable, ChangeRecord

public class DirectMapChangeRecord
extends DeferrableChangeRecord

Change record used by DirectMapMapping. Only needs to track unique keys added/removed.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected HashMap	addObjectsList
protected HashMap	removeObjectsList

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

isDeferred, latestCollection, originalCollection

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

attribute, mapping, owner

Constructor Summary

Constructors

Constructor	Description
DirectMapChangeRecord()
DirectMapChangeRecord(ObjectChangeSet owner)

Method Summary

Modifier and Type	Method	Description
void	addAdditionChange(Object key, Object value)	Adds the items that were added to the collection.
void	addAdditionChange(HashMap additions)	Adds the items that were added to the collection.
void	addRemoveChange(Object key, Object value)	Adds the items that were removed from the collection.
void	addRemoveChange(HashMap subtractions)	Adds the items that were removed from the collection.
void	clearChanges()	Clears info about added / removed objects set by change tracker.
HashMap	getAddObjects()	Returns the added items list.
HashMap	getRemoveObjects()	Returns the removed items list.
boolean	hasChanges()	Returns true if the change set has changes.
void	internalRecreateOriginalCollection(Object currentMap, AbstractSession session)	Recreates the original state of the collection.
void	mergeRecord(ChangeRecord mergeFromRecord, UnitOfWorkChangeSet mergeToChangeSet, UnitOfWorkChangeSet mergeFromChangeSet)	This method will be used to merge one record into another.
void	setAddObjects(HashMap addObjects)	Sets the added items list.
void	setRemoveObjects(HashMap removeObjects)	Sets the removed items list.
void	updateReferences(UnitOfWorkChangeSet mergeToChangeSet, UnitOfWorkChangeSet mergeFromChangeSet)	This method will be used to update the objectsChangeSets references.

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

getLatestCollection, getOldValue, getOldValue, getOriginalCollection, isDeferred, recreateOriginalCollection, setIsDeferred, setLatestCollection, setOriginalCollection

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

Field Details

addObjectsList

protected HashMap addObjectsList

removeObjectsList

protected HashMap removeObjectsList

Constructor Details

DirectMapChangeRecord

public DirectMapChangeRecord()

DirectMapChangeRecord

public DirectMapChangeRecord(ObjectChangeSet owner)

Method Details

hasChanges

public boolean hasChanges()

Returns true if the change set has changes.

mergeRecord

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

This method will be used to merge one record into another.

Specified by:

mergeRecord in class ChangeRecord

addAdditionChange

public void addAdditionChange(HashMap additions)

Adds the items that were added to the collection.

addRemoveChange

public void addRemoveChange(HashMap subtractions)

Adds the items that were removed from the collection.

addAdditionChange

public void addAdditionChange(Object key,
 Object value)

Adds the items that were added to the collection.

addRemoveChange

public void addRemoveChange(Object key,
 Object value)

Adds the items that were removed from the collection.

setAddObjects

public void setAddObjects(HashMap addObjects)

Sets the added items list.

getAddObjects

public HashMap getAddObjects()

Returns the added items list.

setRemoveObjects

public void setRemoveObjects(HashMap removeObjects)

Sets the removed items list.

getRemoveObjects

public HashMap getRemoveObjects()

Returns the removed items list.

updateReferences

public void updateReferences(UnitOfWorkChangeSet mergeToChangeSet,
 UnitOfWorkChangeSet mergeFromChangeSet)

This method will be used to update the objectsChangeSets references.

Specified by:

updateReferences in class ChangeRecord

internalRecreateOriginalCollection

public void internalRecreateOriginalCollection(Object currentMap,
 AbstractSession session)

Recreates the original state of the collection.

Specified by:

internalRecreateOriginalCollection in class DeferrableChangeRecord

clearChanges

public void clearChanges()

Clears info about added / removed objects set by change tracker.

Specified by:

clearChanges in class DeferrableChangeRecord