How to use org.eclipse.persistence.descriptors.changetracking

/**
 * INTERNAL:
 * PERF: Calculate change for the existing object, avoids check for new since already know.
 * Avoid backup clone, as not used.
 */
public ObjectChangeSet calculateChangesForExistingObject(Object clone, UnitOfWorkChangeSet changeSet, UnitOfWorkImpl unitOfWork, ClassDescriptor descriptor, boolean shouldRaiseEvent) {
  return calculateChanges(clone, null, false, changeSet, unitOfWork, descriptor, shouldRaiseEvent);
}

/**
 * INTERNAL:
 * Create ObjectChangeSet
 */
public ObjectChangeSet createObjectChangeSet(Object clone, Object backUp, org.eclipse.persistence.internal.sessions.UnitOfWorkChangeSet changeSet, boolean isNew, AbstractSession session, ClassDescriptor descriptor) {
  return this.createObjectChangeSetThroughComparison(clone, backUp, changeSet, isNew, session, descriptor);
}

/**
 * INTERNAL:
 * PERF: Calculate change for the new object, avoids check for new since already know.
 */
public ObjectChangeSet calculateChangesForNewObject(Object clone, UnitOfWorkChangeSet changeSet, UnitOfWorkImpl unitOfWork, ClassDescriptor descriptor, boolean shouldRaiseEvent) {
  return calculateChanges(clone, null, true, changeSet, unitOfWork, descriptor, shouldRaiseEvent);
}

/**
 * INTERNAL:
 * Assign ChangeListener to an aggregate object
 */
public void setAggregateChangeListener(Object parent, Object aggregate, UnitOfWorkImpl uow, ClassDescriptor descriptor, String mappingAttribute) {
  ((ChangeTracker)aggregate)._persistence_setPropertyChangeListener(new AggregateObjectChangeListener((ObjectChangeListener)((ChangeTracker)parent)._persistence_getPropertyChangeListener(), mappingAttribute));
}

/**
 * PUBLIC:
 * Return this objects ObjectChangePolicy.
 */
public ObjectChangePolicy getObjectChangePolicy() {
  // part of fix for 4410581: project xml must save change policy
  // if no change-policy XML element, field is null: lazy-init to default
  if (changePolicy == null) {
    changePolicy = new DeferredChangeDetectionPolicy();
  }
  return changePolicy;
}
 

/**
 * INTERNAL:
 * Assign ObjectChangeListener to PropertyChangeListener
 */
public PropertyChangeListener setChangeListener(Object clone, UnitOfWorkImpl uow, ClassDescriptor descriptor) {
  ObjectChangeListener listener = new ObjectChangeListener();
  ((ChangeTracker)clone)._persistence_setPropertyChangeListener(listener);
  return listener;
}

 /**
 * INTERNAL:
 * Set the ObjectChangeSet on the Listener, initially used for aggregate support
 */
public void setChangeSetOnListener(ObjectChangeSet objectChangeSet, Object clone){
  ((AttributeChangeListener)((ChangeTracker)clone)._persistence_getPropertyChangeListener()).setObjectChangeSet(objectChangeSet);
}
 

/**
 * INTERNAL:
 * Clear the change set in the change event listener.
 */
public void updateWithChanges(Object object, ObjectChangeSet changeSet, UnitOfWorkImpl uow, ClassDescriptor descriptor) {
  clearChanges(object, uow, descriptor);
}

/**
 * INTERNAL:
 * Creates a CollectionChangeEvent for the container
 */
@Override
public CollectionChangeEvent createChangeEvent(Object collectionOwner, String propertyName, Object collectionChanged, Object elementChanged, int changeType, Integer index, boolean isChangeApplied) {
  return new CollectionChangeEvent(collectionOwner, propertyName, collectionChanged, elementChanged, changeType, index, false, isChangeApplied);// make the remove change event fire.
}

/**
 * PUBLIC:
 * Return this objects ObjectChangePolicy.
 */
public ObjectChangePolicy getObjectChangePolicy() {
  // part of fix for 4410581: project xml must save change policy
  // if no change-policy XML element, field is null: lazy-init to default
  if (changePolicy == null) {
    changePolicy = new DeferredChangeDetectionPolicy();
  }
  return changePolicy;
}

/**
 * INTERNAL:
 * PERF: Calculate change for the existing object, avoids check for new since already know.
 * Avoid backup clone, as not used.
 */
public ObjectChangeSet calculateChangesForExistingObject(Object clone, UnitOfWorkChangeSet changeSet, UnitOfWorkImpl unitOfWork, ClassDescriptor descriptor, boolean shouldRaiseEvent) {
  return calculateChanges(clone, null, false, changeSet, unitOfWork, descriptor, shouldRaiseEvent);
}
 

/**
 * INTERNAL:
 * Create ObjectChangeSet
 */
public ObjectChangeSet createObjectChangeSet(Object clone, Object backUp, org.eclipse.persistence.internal.sessions.UnitOfWorkChangeSet changeSet, boolean isNew, AbstractSession session, ClassDescriptor descriptor) {
  return this.createObjectChangeSetThroughComparison(clone, backUp, changeSet, isNew, session, descriptor);
}

/**
 * INTERNAL:
 * PERF: Calculate change for the new object, avoids check for new since already know.
 */
public ObjectChangeSet calculateChangesForNewObject(Object clone, UnitOfWorkChangeSet changeSet, UnitOfWorkImpl unitOfWork, ClassDescriptor descriptor, boolean shouldRaiseEvent) {
  return calculateChanges(clone, null, true, changeSet, unitOfWork, descriptor, shouldRaiseEvent);
}

/**
 * INTERNAL:
 * Clear the change set in the change event listener.
 */
public void updateWithChanges(Object object, ObjectChangeSet changeSet, UnitOfWorkImpl uow, ClassDescriptor descriptor) {
  clearChanges(object, uow, descriptor, false);
}

/**
 * INTERNAL:
 * Creates a CollectionChangeEvent for the container
 */
@Override
public CollectionChangeEvent createChangeEvent(Object collectionOwner, String propertyName, Object collectionChanged, Object elementChanged, int changeType, Integer index, boolean isChangeApplied) {
  return new CollectionChangeEvent(collectionOwner, propertyName, collectionChanged, elementChanged, changeType, index, false, isChangeApplied);// make the remove change event fire.
}

/**
 * PUBLIC:
 * Return this objects ObjectChangePolicy.
 */
public ObjectChangePolicy getObjectChangePolicy() {
  // part of fix for 4410581: project xml must save change policy
  // if no change-policy XML element, field is null: lazy-init to default
  if (changePolicy == null) {
    changePolicy = new DeferredChangeDetectionPolicy();
  }
  return changePolicy;
}
 

/**
 * INTERNAL:
 * PERF: Calculate change for the existing object, avoids check for new since already know.
 * Avoid backup clone, as not used.
 */
public ObjectChangeSet calculateChangesForExistingObject(Object clone, UnitOfWorkChangeSet changeSet, UnitOfWorkImpl unitOfWork, ClassDescriptor descriptor, boolean shouldRaiseEvent) {
  return calculateChanges(clone, null, false, changeSet, unitOfWork, descriptor, shouldRaiseEvent);
}
 

/**
 * INTERNAL:
 * Create ObjectChangeSet
 */
public ObjectChangeSet createObjectChangeSet(Object clone, Object backUp, org.eclipse.persistence.internal.sessions.UnitOfWorkChangeSet changeSet, boolean isNew, AbstractSession session, ClassDescriptor descriptor) {
  return this.createObjectChangeSetThroughComparison(clone, backUp, changeSet, isNew, session, descriptor);
}

/**
 * INTERNAL:
 * PERF: Calculate change for the new object, avoids check for new since already know.
 */
public ObjectChangeSet calculateChangesForNewObject(Object clone, UnitOfWorkChangeSet changeSet, UnitOfWorkImpl unitOfWork, ClassDescriptor descriptor, boolean shouldRaiseEvent) {
  return calculateChanges(clone, null, true, changeSet, unitOfWork, descriptor, shouldRaiseEvent);
}

/**
 * INTERNAL:
 * Clear the change set in the change event listener.
 */
public void updateWithChanges(Object object, ObjectChangeSet changeSet, UnitOfWorkImpl uow, ClassDescriptor descriptor) {
  clearChanges(object, uow, descriptor, false);
}