How to use

readPrivateOwnedForObject

method

in

org.eclipse.persistence.eis.mappings.EISOneToManyMapping

/**
 * This method will make sure that all the records privately owned by this mapping are
 * actually removed. If such records are found then those are all read and removed one
 * by one along with their privately owned parts.
 */
protected void deleteReferenceObjectsLeftOnDatabase(DeleteObjectQuery query) throws DatabaseException, OptimisticLockException {
  Object objects = this.readPrivateOwnedForObject(query);
  // delete all these objects one by one
  ContainerPolicy cp = this.getContainerPolicy();
  for (Object iter = cp.iteratorFor(objects); cp.hasNext(iter);) {
    query.getSession().deleteObject(cp.next(iter, query.getSession()));
  }
}

/**
 * This method will make sure that all the records privately owned by this mapping are
 * actually removed. If such records are found then those are all read and removed one
 * by one along with their privately owned parts.
 */
protected void deleteReferenceObjectsLeftOnDatabase(DeleteObjectQuery query) throws DatabaseException, OptimisticLockException {
  Object objects = this.readPrivateOwnedForObject(query);
  // delete all these objects one by one
  ContainerPolicy cp = this.getContainerPolicy();
  for (Object iter = cp.iteratorFor(objects); cp.hasNext(iter);) {
    query.getSession().deleteObject(cp.next(iter, query.getSession()));
  }
}

/**
 *    This method will make sure that all the records privately owned by this mapping are
 * actually removed. If such records are found then those are all read and removed one
 * by one along with their privately owned parts.
 */
protected void deleteReferenceObjectsLeftOnDatabase(DeleteObjectQuery query) throws DatabaseException, OptimisticLockException {
  Object objects = this.readPrivateOwnedForObject(query);
  // delete all these objects one by one
  ContainerPolicy cp = this.getContainerPolicy();
  for (Object iter = cp.iteratorFor(objects); cp.hasNext(iter);) {
    query.getSession().deleteObject(cp.next(iter, query.getSession()));
  }
}

/**
 * INTERNAL:
 * Update the reference objects.
 */
public void postUpdate(WriteObjectQuery query) throws DatabaseException, OptimisticLockException {
  if (isForeignKeyRelationship()) {
    return;
  }
  if (!this.shouldObjectModifyCascadeToParts(query)) {
    return;
  }
  // if the target objects are not instantiated, they could not have been changed....
  if (!this.isAttributeValueInstantiatedOrChanged(query.getObject())) {
    return;
  }
  // manage objects added and removed from the collection
  Object objectsInMemory = this.getRealCollectionAttributeValueFromObject(query.getObject(), query.getSession());
  Object objectsInDB = this.readPrivateOwnedForObject(query);
  this.compareObjectsAndWrite(objectsInDB, objectsInMemory, query);
}

/**
 * INTERNAL:
 * Update the privately owned parts.
 */
public void preUpdate(WriteObjectQuery query) throws DatabaseException, OptimisticLockException {
  if (!this.isForeignKeyRelationship()) {
    return;
  }
  if (!this.shouldObjectModifyCascadeToParts(query)) {
    return;
  }
  // if the target objects are not instantiated, they could not have been changed....
  if (!this.isAttributeValueInstantiatedOrChanged(query.getObject())) {
    return;
  }
  // manage objects added and removed from the collection
  Object objectsInMemory = this.getRealCollectionAttributeValueFromObject(query.getObject(), query.getSession());
  Object objectsInDB = this.readPrivateOwnedForObject(query);
  this.compareObjectsAndWrite(objectsInDB, objectsInMemory, query);
}