oracle.toplink.essentials.internal.sessions

Class OrderedCollectionChangeRecord

java.lang.Object

oracle.toplink.essentials.internal.sessions.ChangeRecord

oracle.toplink.essentials.internal.sessions.OrderedCollectionChangeRecord

All Implemented Interfaces:

java.io.Serializable, ChangeRecord, OrderedCollectionChangeRecord

Direct Known Subclasses:

OrderedDirectCollectionChangeRecord

public class OrderedCollectionChangeRecord
extends ChangeRecord
implements OrderedCollectionChangeRecord

Purpose: This class holds the record of the changes made to a collection attribute of an object.

Description: Collections must be compared to each other and added and removed objects must be recorded seperately. NOTE: This class and its sub class are currently not used within TopLink and should be removed.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.Vector	addIndexes
protected java.util.Hashtable	addObjectList
protected int	startIndexOfRemove

Fields inherited from class oracle.toplink.essentials.internal.sessions.ChangeRecord

attribute, mapping, owner

Constructor Summary

Constructors

Constructor and Description
OrderedCollectionChangeRecord(ObjectChangeSet owner) This constructor returns a changeRecord representing the DirectCollection mapping

Method Summary

Modifier and Type	Method and Description
void	addAdditionChange(java.util.Hashtable additions, java.util.Vector indexes, UnitOfWorkChangeSet changes, AbstractSession session) This method takes a hastable of primitive objects and adds them to the add list.
java.util.Vector	getAddIndexes() This method returns the collection of indexes in which changes were made to this collection.
java.util.Hashtable	getAddObjectList() This method returns the collection of ChangeSets that were added to the collection.
int	getStartRemoveIndex() This method returns the index from where objects must be removed from the collection
void	mergeRecord(ChangeRecord mergeFromRecord, UnitOfWorkChangeSet mergeToChangeSet, UnitOfWorkChangeSet mergeFromChangeSet) INTERNAL: This method will be used to merge one record into another
void	setStartRemoveIndex(int startRemoveIndex) This method sets the index from where objects must be removed from the collection
void	updateReferences(UnitOfWorkChangeSet mergeToChangeSet, UnitOfWorkChangeSet mergeFromChangeSet) INTERNAL: This method will be used to update the objectsChangeSets references

Methods inherited from class oracle.toplink.essentials.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 oracle.toplink.essentials.changesets.ChangeRecord

getAttribute, getOwner

Field Detail

addObjectList

protected java.util.Hashtable addObjectList

addIndexes

protected java.util.Vector addIndexes

startIndexOfRemove

protected int startIndexOfRemove

Constructor Detail

OrderedCollectionChangeRecord

public OrderedCollectionChangeRecord(ObjectChangeSet owner)

This constructor returns a changeRecord representing the DirectCollection mapping

Parameters:

owner - prototype.changeset.ObjectChangeSet that ObjectChangeSet that uses this record

Method Detail

addAdditionChange

public void addAdditionChange(java.util.Hashtable additions,
                              java.util.Vector indexes,
                              UnitOfWorkChangeSet changes,
                              AbstractSession session)

This method takes a hastable of primitive objects and adds them to the add list.

getAddIndexes

public java.util.Vector getAddIndexes()

This method returns the collection of indexes in which changes were made to this collection.

Specified by:

getAddIndexes in interface OrderedCollectionChangeRecord

Returns:

java.util.Vector

getAddObjectList

public java.util.Hashtable getAddObjectList()

This method returns the collection of ChangeSets that were added to the collection.

Specified by:

getAddObjectList in interface OrderedCollectionChangeRecord

Returns:

java.util.Hashtable

getStartRemoveIndex

public int getStartRemoveIndex()

This method returns the index from where objects must be removed from the collection

Specified by:

getStartRemoveIndex in interface OrderedCollectionChangeRecord

Returns:

int

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

setStartRemoveIndex

public void setStartRemoveIndex(int startRemoveIndex)

This method sets the index from where objects must be removed from the collection

updateReferences

public void updateReferences(UnitOfWorkChangeSet mergeToChangeSet,
                             UnitOfWorkChangeSet mergeFromChangeSet)

INTERNAL: This method will be used to update the objectsChangeSets references

Specified by:

updateReferences in class ChangeRecord