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EclipseLink 2.2.0, build 'v20110202-r8913' API Reference | ||||||||
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public interface ObjectChangePolicy
INTERNAL: Implementers of ObjectChangePolicy implement the code which computes changes sets for the UnitOfWork commit process. An ObjectChangePolicy is stored on an Object's descriptor.
DeferredChangeDetectionPolicy
,
ObjectChangeTrackingPolicy
,
AttributeChangeTrackingPolicy
Method Summary | |
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java.lang.Object |
buildBackupClone(java.lang.Object clone,
org.eclipse.persistence.internal.descriptors.ObjectBuilder builder,
org.eclipse.persistence.internal.sessions.UnitOfWorkImpl uow)
INTERNAL: Build back up clone. |
org.eclipse.persistence.internal.sessions.ObjectChangeSet |
calculateChanges(java.lang.Object clone,
java.lang.Object backupClone,
boolean isNew,
org.eclipse.persistence.internal.sessions.UnitOfWorkChangeSet changes,
org.eclipse.persistence.internal.sessions.UnitOfWorkImpl unitOfWork,
ClassDescriptor descriptor,
boolean shouldRaiseEvent)
INTERNAL: CalculateChanges creates a change set for an existing object. |
org.eclipse.persistence.internal.sessions.ObjectChangeSet |
calculateChangesForExistingObject(java.lang.Object clone,
org.eclipse.persistence.internal.sessions.UnitOfWorkChangeSet changes,
org.eclipse.persistence.internal.sessions.UnitOfWorkImpl unitOfWork,
ClassDescriptor descriptor,
boolean shouldRaiseEvent)
INTERNAL: CalculateChanges creates a change set for an existing object. |
org.eclipse.persistence.internal.sessions.ObjectChangeSet |
calculateChangesForNewObject(java.lang.Object clone,
org.eclipse.persistence.internal.sessions.UnitOfWorkChangeSet changes,
org.eclipse.persistence.internal.sessions.UnitOfWorkImpl unitOfWork,
ClassDescriptor descriptor,
boolean shouldRaiseEvent)
INTERNAL: CalculateChanges creates a change set for a new object. |
void |
clearChanges(java.lang.Object object,
org.eclipse.persistence.internal.sessions.UnitOfWorkImpl uow,
ClassDescriptor descriptor,
boolean forRefresh)
INTERNAL: This is a place holder for reseting the listener on one of the subclasses |
org.eclipse.persistence.internal.sessions.ObjectChangeSet |
createObjectChangeSetThroughComparison(java.lang.Object clone,
java.lang.Object backUp,
org.eclipse.persistence.internal.sessions.UnitOfWorkChangeSet changeSet,
boolean isNew,
org.eclipse.persistence.internal.sessions.AbstractSession session,
ClassDescriptor descriptor)
INTERNAL: Create ObjectChangeSet through comparison. |
void |
dissableEventProcessing(java.lang.Object changeTracker)
INTERNAL: This method is used to disable changetracking temporarily |
void |
enableEventProcessing(java.lang.Object changeTracker)
INTERNAL: This method is used to enable changetracking temporarily |
void |
initialize(org.eclipse.persistence.internal.sessions.AbstractSession session,
ClassDescriptor descriptor)
INTERNAL: initialize the Policy |
boolean |
isAttributeChangeTrackingPolicy()
Used to track instances of the change policies without doing an instance of check |
boolean |
isDeferredChangeDetectionPolicy()
Used to track instances of the change policies without doing an instance of check |
boolean |
isObjectChangeTrackingPolicy()
Used to track instances of the change policies without doing an instance of check |
void |
raiseInternalPropertyChangeEvent(java.lang.Object source,
java.lang.String propertyName,
java.lang.Object oldValue,
java.lang.Object newValue)
INTERNAL: This may cause a property change event to be raised to a listener in the case that a listener exists. |
void |
revertChanges(java.lang.Object clone,
ClassDescriptor descriptor,
org.eclipse.persistence.internal.sessions.UnitOfWorkImpl uow,
java.util.Map cloneMapping,
boolean forRefresh)
INTERNAL: This method is used to revert an object within the unit of work |
void |
setAggregateChangeListener(java.lang.Object parent,
java.lang.Object aggregate,
org.eclipse.persistence.internal.sessions.UnitOfWorkImpl uow,
ClassDescriptor descriptor,
java.lang.String mappingAttribute)
INTERNAL: Assign Changelistener to an aggregate object |
java.beans.PropertyChangeListener |
setChangeListener(java.lang.Object clone,
org.eclipse.persistence.internal.sessions.UnitOfWorkImpl uow,
ClassDescriptor descriptor)
INTERNAL: Assign appropriate ChangeListener to PropertyChangeListener based on the policy. |
void |
setChangeSetOnListener(org.eclipse.persistence.internal.sessions.ObjectChangeSet objectChangeSet,
java.lang.Object clone)
INTERNAL: Set the ObjectChangeSet on the Listener, initially used for aggregate support |
boolean |
shouldCompareExistingObjectForChange(java.lang.Object object,
org.eclipse.persistence.internal.sessions.UnitOfWorkImpl unitOfWork,
ClassDescriptor descriptor)
INTERNAL: Return true if the Object should be compared, false otherwise. |
void |
updateWithChanges(java.lang.Object clone,
org.eclipse.persistence.internal.sessions.ObjectChangeSet objectChangeSet,
org.eclipse.persistence.internal.sessions.UnitOfWorkImpl uow,
ClassDescriptor descriptor)
INTERNAL: This method is used internally to rest the policies back to original state This is used when the clones are to be reused. |
Method Detail |
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org.eclipse.persistence.internal.sessions.ObjectChangeSet calculateChangesForNewObject(java.lang.Object clone, org.eclipse.persistence.internal.sessions.UnitOfWorkChangeSet changes, org.eclipse.persistence.internal.sessions.UnitOfWorkImpl unitOfWork, ClassDescriptor descriptor, boolean shouldRaiseEvent)
clone
- the Object to compute a change set forchanges
- the change set to add changes tosession
- the current sessiondescriptor
- the descriptor for this objectshouldRaiseEvent
- indicates whether PreUpdate event should be risen (usually true)
org.eclipse.persistence.internal.sessions.ObjectChangeSet calculateChangesForExistingObject(java.lang.Object clone, org.eclipse.persistence.internal.sessions.UnitOfWorkChangeSet changes, org.eclipse.persistence.internal.sessions.UnitOfWorkImpl unitOfWork, ClassDescriptor descriptor, boolean shouldRaiseEvent)
clone
- the Object to compute a change set forchanges
- the change set to add changes tosession
- the current sessiondescriptor
- the descriptor for this objectshouldRaiseEvent
- indicates whether PreUpdate event should be risen (usually true)
org.eclipse.persistence.internal.sessions.ObjectChangeSet calculateChanges(java.lang.Object clone, java.lang.Object backupClone, boolean isNew, org.eclipse.persistence.internal.sessions.UnitOfWorkChangeSet changes, org.eclipse.persistence.internal.sessions.UnitOfWorkImpl unitOfWork, ClassDescriptor descriptor, boolean shouldRaiseEvent)
clone
- the object to compute a change set forbackupClone
- the object used to compute changes fromisNew
- determines if the object is newchanges
- the change set to add changes tosession
- the current sessiondescriptor
- the descriptor for this objectshouldRaiseEvent
- indicates whether PreUpdate event should be risen (usually true)
org.eclipse.persistence.internal.sessions.ObjectChangeSet createObjectChangeSetThroughComparison(java.lang.Object clone, java.lang.Object backUp, org.eclipse.persistence.internal.sessions.UnitOfWorkChangeSet changeSet, boolean isNew, org.eclipse.persistence.internal.sessions.AbstractSession session, ClassDescriptor descriptor)
void dissableEventProcessing(java.lang.Object changeTracker)
void enableEventProcessing(java.lang.Object changeTracker)
void raiseInternalPropertyChangeEvent(java.lang.Object source, java.lang.String propertyName, java.lang.Object oldValue, java.lang.Object newValue)
void revertChanges(java.lang.Object clone, ClassDescriptor descriptor, org.eclipse.persistence.internal.sessions.UnitOfWorkImpl uow, java.util.Map cloneMapping, boolean forRefresh)
void clearChanges(java.lang.Object object, org.eclipse.persistence.internal.sessions.UnitOfWorkImpl uow, ClassDescriptor descriptor, boolean forRefresh)
void updateWithChanges(java.lang.Object clone, org.eclipse.persistence.internal.sessions.ObjectChangeSet objectChangeSet, org.eclipse.persistence.internal.sessions.UnitOfWorkImpl uow, ClassDescriptor descriptor)
boolean shouldCompareExistingObjectForChange(java.lang.Object object, org.eclipse.persistence.internal.sessions.UnitOfWorkImpl unitOfWork, ClassDescriptor descriptor)
object
- the object that will be comparedunitOfWork
- the active unitOfWorkdescriptor
- the descriptor for the current objectvoid setAggregateChangeListener(java.lang.Object parent, java.lang.Object aggregate, org.eclipse.persistence.internal.sessions.UnitOfWorkImpl uow, ClassDescriptor descriptor, java.lang.String mappingAttribute)
java.beans.PropertyChangeListener setChangeListener(java.lang.Object clone, org.eclipse.persistence.internal.sessions.UnitOfWorkImpl uow, ClassDescriptor descriptor)
void setChangeSetOnListener(org.eclipse.persistence.internal.sessions.ObjectChangeSet objectChangeSet, java.lang.Object clone)
java.lang.Object buildBackupClone(java.lang.Object clone, org.eclipse.persistence.internal.descriptors.ObjectBuilder builder, org.eclipse.persistence.internal.sessions.UnitOfWorkImpl uow)
void initialize(org.eclipse.persistence.internal.sessions.AbstractSession session, ClassDescriptor descriptor)
boolean isDeferredChangeDetectionPolicy()
boolean isObjectChangeTrackingPolicy()
boolean isAttributeChangeTrackingPolicy()
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EclipseLink 2.2.0, build 'v20110202-r8913' API Reference | ||||||||
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