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org.eclipse.persistence.eis
Class EISOrderedCollectionChangeRecord

java.lang.Object
org.eclipse.persistence.internal.sessions.ChangeRecord
org.eclipse.persistence.internal.sessions.DeferrableChangeRecord
org.eclipse.persistence.internal.sessions.CollectionChangeRecord
org.eclipse.persistence.eis.EISOrderedCollectionChangeRecord

All Implemented Interfaces:

java.io.Serializable, ChangeRecord, CollectionChangeRecord, EISOrderedCollectionChangeRecord

public class EISOrderedCollectionChangeRecord

extends org.eclipse.persistence.internal.sessions.CollectionChangeRecord

implements EISOrderedCollectionChangeRecord

INTERNAL: Capture the changes for an ordered collection where the entire collection is simply replaced if it has changed.

See Also:

Serialized Form

Field Summary

private int[]	addIndexes The indexes into the new collection of the elements that were added.
private java.util.Vector	adds The added stuff.
private int[][]	moveIndexPairs The index pairs of the elements that were moved (before and after indexes).
private java.util.Vector	moves The moved stuff.
private int[]	removeIndexes The indexes into the old collection of the elements that were removed.
private java.util.Vector	removes The removed stuff.

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

addObjectList, addOverFlow, orderedAddObjectIndices, orderedAddObjects, orderedChangeObjectList, orderedRemoveObjectIndices, orderedRemoveObjects, orderHasBeenRepaired, removeObjectList

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

EISOrderedCollectionChangeRecord(org.eclipse.persistence.internal.sessions.ObjectChangeSet owner, java.lang.String attributeName, DatabaseMapping mapping)
Construct a ChangeRecord that can be used to represent the changes to an ordered collection.

Method Summary

void	addAddedChangeSet(java.lang.Object changeSet, int index) Add an added change set.
void	addMovedChangeSet(java.lang.Object changeSet, int oldIndex, int newIndex) Add an moved change set.
void	addRemovedChangeSet(java.lang.Object changeSet, int index) Add an removed change set.
private int[][]	addTo(int[] newInts, int[][] oldArray) Add the int[] to the end of the array.
private int[]	addTo(int newInt, int[] oldArray) Add the int to the end of the array.
private void	cancelAddedChangeSet(java.lang.Object changeSet) The specified change set was added earlier; cancel it out.
private java.lang.Object	getAdd(int index) Return the specified add.
int[]	getAddIndexes() ADVANCED: Return the indexes into the new collection of the elements that were added.
java.util.Vector	getAdds() ADVANCED: Return the entries for all the elements added to the new collection.
private int	getAddsIndexOf(java.lang.Object changeSet) Return the index in the adds of the specified change set, without triggering the instantiation of the collection.
private int	getAddsSize() Return the number of adds, without triggering the instantiation of the collection.
private int	getBeforeMoveIndex(int index) Return the specified "before" move index.
private java.lang.Object	getMove(int index) Return the specified move.
int[][]	getMoveIndexPairs() ADVANCED: Return the indexes of the elements that were simply moved within the collection.
java.util.Vector	getMoves() ADVANCED: Return the entries for all the elements that were simply shuffled within the collection.
private int	getMovesIndexOf(java.lang.Object changeSet) Return the index in the moves of the specified change set, without triggering the instantiation of the collection.
private int	getMovesSize() Return the number of moves, without triggering the instantiation of the collection.
java.util.Vector	getNewCollection() ADVANCED: Return the entries for all the elements in the new collection.
private int	getNewCollectionSize() Return the number of elements in the new collection, without triggering the instantiation of the collections.
private int	getRemoveIndex(int index) Return the specified remove index.
int[]	getRemoveIndexes() ADVANCED: Return the indexes into the old collection of the elements that were removed.
java.util.Vector	getRemoves() ADVANCED: Return the entries for all the elements removed from the old collection.
private int	getRemovesIndexOf(java.lang.Object changeSet) Return the index in the removes of the specified change set, without triggering the instantiation of the collection.
private boolean	hasAdds() Return whether any adds have been recorded with the change record.
boolean	hasChanges() Return whether any changes have been recorded with the change record.
private boolean	hasMoves() Return whether any moves have been recorded with the change record.
private boolean	hasRemoves() Return whether any removes have been recorded with the change record.
private int[]	removeFrom(int removeIndex, int[] oldArray) Remove the specified slot from the array.
private int[][]	removeFrom(int removeIndex, int[][] oldArray) Remove the specified slot from the array.
private boolean	removeMovedChangeSet(java.lang.Object changeSet) Attempt to remove the specified change set from the collection of moved change sets.
private boolean	restoreRemovedChangeSet(java.lang.Object changeSet) Attempt to restore the specified change set.
private void	setAddIndexes(int[] addIndexes) Set the indexes into the new collection of the elements that were added.
private void	setMoveIndexPairs(int[][] moveIndexPairs) Set the indexes of the elements that were moved.
private void	setRemoveIndexes(int[] removeIndexes) Set the indexes into the old collection of the elements that were removed.
void	simpleAddChangeSet(java.lang.Object changeSet) Add a change set after it has been applied.
void	simpleRemoveChangeSet(java.lang.Object changeSet) Remove a change set after it has been applied.

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

addAdditionChange, addOrderedAdditionChange, addOrderedRemoveChange, addRemoveChange, clearChanges, getAddObjectList, getAddOverFlow, getCurrentIndexesOfOriginalObjects, getOrderedAddObjectIndex, getOrderedAddObjectIndices, getOrderedAddObjects, getOrderedChangeObjectList, getOrderedRemoveObject, getOrderedRemoveObjectIndices, getOrderedRemoveObjects, getRemoveObjectList, internalRecreateOriginalCollection, mergeRecord, orderHasBeenRepaired, setAddObjectList, setOrderedAddObjectIndices, setOrderedAddObjects, setOrderedChangeObjectList, setOrderedRemoveObjects, setOrderHasBeenRepaired, setRemoveObjectList, updateReferences

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

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

getAttribute, getOldValue, getOwner

Field Detail

adds

private java.util.Vector adds

The added stuff.

addIndexes

private int[] addIndexes

The indexes into the new collection of the elements that were added.

moves

private java.util.Vector moves

The moved stuff.

moveIndexPairs

private int[][] moveIndexPairs

The index pairs of the elements that were moved (before and after indexes).

removes

private java.util.Vector removes

The removed stuff.

removeIndexes

private int[] removeIndexes

The indexes into the old collection of the elements that were removed.

Constructor Detail

EISOrderedCollectionChangeRecord

public EISOrderedCollectionChangeRecord(org.eclipse.persistence.internal.sessions.ObjectChangeSet owner,
                                        java.lang.String attributeName,
                                        DatabaseMapping mapping)

Construct a ChangeRecord that can be used to represent the changes to an ordered collection.

Method Detail

addAddedChangeSet

public void addAddedChangeSet(java.lang.Object changeSet,
                              int index)

Add an added change set.

addMovedChangeSet

public void addMovedChangeSet(java.lang.Object changeSet,
                              int oldIndex,
                              int newIndex)

Add an moved change set.

addRemovedChangeSet

public void addRemovedChangeSet(java.lang.Object changeSet,
                                int index)

Add an removed change set.

addTo

private int[] addTo(int newInt,
                    int[] oldArray)

Add the int to the end of the array. Return the new array.

addTo

private int[][] addTo(int[] newInts,
                      int[][] oldArray)

Add the int[] to the end of the array. Return the new array.

getAdd

private java.lang.Object getAdd(int index)

Return the specified add.

getAddIndexes

public int[] getAddIndexes()

ADVANCED: Return the indexes into the new collection of the elements that were added.

Specified by:

getAddIndexes in interface EISOrderedCollectionChangeRecord

getAdds

public java.util.Vector getAdds()

ADVANCED: Return the entries for all the elements added to the new collection. The contents of this collection is determined by the mapping that populated it

Specified by:

getAdds in interface EISOrderedCollectionChangeRecord

getAddsIndexOf

private int getAddsIndexOf(java.lang.Object changeSet)

Return the index in the adds of the specified change set, without triggering the instantiation of the collection.

getAddsSize

private int getAddsSize()

Return the number of adds, without triggering the instantiation of the collection.

getMove

private java.lang.Object getMove(int index)

Return the specified move.

getBeforeMoveIndex

private int getBeforeMoveIndex(int index)

Return the specified "before" move index.

getMoveIndexPairs

public int[][] getMoveIndexPairs()

ADVANCED: Return the indexes of the elements that were simply moved within the collection. Each element in the outer array is another two-element array where the first entry [0] is the index of the object in the old collection and the second entry [1] is the index of the object in the new collection. These two indexes can be equal.

Specified by:

getMoveIndexPairs in interface EISOrderedCollectionChangeRecord

getMoves

public java.util.Vector getMoves()

ADVANCED: Return the entries for all the elements that were simply shuffled within the collection. The contents of this collection is determined by the mapping that populated it

Specified by:

getMoves in interface EISOrderedCollectionChangeRecord

getMovesIndexOf

private int getMovesIndexOf(java.lang.Object changeSet)

Return the index in the moves of the specified change set, without triggering the instantiation of the collection.

getMovesSize

private int getMovesSize()

Return the number of moves, without triggering the instantiation of the collection.

getNewCollection

public java.util.Vector getNewCollection()

ADVANCED: Return the entries for all the elements in the new collection. The contents of this collection is determined by the mapping that populated it

Specified by:

getNewCollection in interface EISOrderedCollectionChangeRecord

getNewCollectionSize

private int getNewCollectionSize()

Return the number of elements in the new collection, without triggering the instantiation of the collections.

getRemoveIndex

private int getRemoveIndex(int index)

Return the specified remove index.

getRemoveIndexes

public int[] getRemoveIndexes()

ADVANCED: Return the indexes into the old collection of the elements that were removed.

Specified by:

getRemoveIndexes in interface EISOrderedCollectionChangeRecord

getRemoves

public java.util.Vector getRemoves()

ADVANCED: Return the entries for all the elements removed from the old collection. The contents of this collection is determined by the mapping that populated it

Specified by:

getRemoves in interface EISOrderedCollectionChangeRecord

getRemovesIndexOf

private int getRemovesIndexOf(java.lang.Object changeSet)

Return the index in the removes of the specified change set, without triggering the instantiation of the collection.

hasAdds

private boolean hasAdds()

Return whether any adds have been recorded with the change record. Directly reference the instance variable, so as to not trigger the lazy instantiation.

hasChanges

public boolean hasChanges()

Return whether any changes have been recorded with the change record.

Specified by:

hasChanges in interface CollectionChangeRecord

Specified by:

hasChanges in interface EISOrderedCollectionChangeRecord

Overrides:

hasChanges in class org.eclipse.persistence.internal.sessions.CollectionChangeRecord

Returns:

boolean

hasMoves

private boolean hasMoves()

Return whether any moves have been recorded with the change record. Directly reference the instance variable, so as to not trigger the lazy instantiation.

hasRemoves

private boolean hasRemoves()

Return whether any removes have been recorded with the change record. Directly reference the instance variable, so as to not trigger the lazy instantiation.

removeFrom

private int[] removeFrom(int removeIndex,
                         int[] oldArray)

Remove the specified slot from the array. Return the new array.

removeFrom

private int[][] removeFrom(int removeIndex,
                           int[][] oldArray)

Remove the specified slot from the array. Return the new array.

cancelAddedChangeSet

private void cancelAddedChangeSet(java.lang.Object changeSet)

The specified change set was added earlier; cancel it out.

removeMovedChangeSet

private boolean removeMovedChangeSet(java.lang.Object changeSet)

Attempt to remove the specified change set from the collection of moved change sets. Return true if the change set was moved earlier and was successfully removed.

restoreRemovedChangeSet

private boolean restoreRemovedChangeSet(java.lang.Object changeSet)

Attempt to restore the specified change set. Return true if the change set was removed earlier and was successfully restored to the end of the collection.

setAddIndexes

private void setAddIndexes(int[] addIndexes)

Set the indexes into the new collection of the elements that were added.

setMoveIndexPairs

private void setMoveIndexPairs(int[][] moveIndexPairs)

Set the indexes of the elements that were moved.

setRemoveIndexes

private void setRemoveIndexes(int[] removeIndexes)

Set the indexes into the old collection of the elements that were removed.

simpleAddChangeSet

public void simpleAddChangeSet(java.lang.Object changeSet)

Add a change set after it has been applied.

simpleRemoveChangeSet

public void simpleRemoveChangeSet(java.lang.Object changeSet)

Remove a change set after it has been applied.

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