public void postMergeUnitOfWorkChangeSet(SessionEvent event) {
UnitOfWorkChangeSet uowChangeSet =
(UnitOfWorkChangeSet) event.getProperty("UnitOfWorkChangeSet");
if (uowChangeSet.hasChanges()) {
lock(LOCKED_BY_SOURCE_LISTENER);
}
}
/** INTERNAL: Update privately owned parts */
public void preUpdate(WriteObjectQuery query) throws DatabaseException, OptimisticLockException {
if (!isAttributeValueInstantiated(query.getObject())) {
return;
}
if (isPrivateOwned()) {
Object objectInDatabase = readPrivateOwnedForObject(query);
if (objectInDatabase != null) {
query.setProperty(this, objectInDatabase);
}
}
if (!shouldObjectModifyCascadeToParts(query)) {
return;
}
// Get the privately owned parts in the memory
Object object = getRealAttributeValueFromObject(query.getObject(), query.getSession());
if (object != null) {
ObjectChangeSet changeSet = null;
UnitOfWorkChangeSet uowChangeSet = null;
if (query.getSession().isUnitOfWork()
&& (((UnitOfWorkImpl) query.getSession()).getUnitOfWorkChangeSet() != null)) {
uowChangeSet =
(UnitOfWorkChangeSet) ((UnitOfWorkImpl) query.getSession()).getUnitOfWorkChangeSet();
changeSet = (ObjectChangeSet) uowChangeSet.getObjectChangeSetForClone(object);
}
WriteObjectQuery writeQuery = new WriteObjectQuery();
writeQuery.setIsExecutionClone(true);
writeQuery.setObject(object);
writeQuery.setObjectChangeSet(changeSet);
writeQuery.setCascadePolicy(query.getCascadePolicy());
query.getSession().executeQuery(writeQuery);
}
}
/** INTERNAL: Insert privately owned parts */
public void preInsert(WriteObjectQuery query) throws DatabaseException, OptimisticLockException {
if (!this.isForeignKeyRelationship()) {
return;
}
if (!this.shouldObjectModifyCascadeToParts(query)) {
return;
}
// only cascade dependents in UOW
if (query.shouldCascadeOnlyDependentParts()) {
return;
}
Object objects =
this.getRealCollectionAttributeValueFromObject(query.getObject(), query.getSession());
// insert each object one by one
ContainerPolicy cp = this.getContainerPolicy();
for (Object iter = cp.iteratorFor(objects); cp.hasNext(iter); ) {
Object object = cp.next(iter, query.getSession());
if (this.isPrivateOwned()) {
// no need to set changeset here as insert is just a copy of the object anyway
InsertObjectQuery insertQuery = new InsertObjectQuery();
insertQuery.setIsExecutionClone(true);
insertQuery.setObject(object);
insertQuery.setCascadePolicy(query.getCascadePolicy());
query.getSession().executeQuery(insertQuery);
} else {
// This will happen in a unit of work or cascaded query.
// This is done only for persistence by reachability and is not required if the targets are
// in the queue anyway
// Avoid cycles by checking commit manager, this is allowed because there is no dependency.
if (!query.getSession().getCommitManager().isCommitInPreModify(object)) {
WriteObjectQuery writeQuery = new WriteObjectQuery();
writeQuery.setIsExecutionClone(true);
if (query.getSession().isUnitOfWork()) {
UnitOfWorkChangeSet uowChangeSet =
(UnitOfWorkChangeSet)
((UnitOfWorkImpl) query.getSession()).getUnitOfWorkChangeSet();
if (uowChangeSet != null) {
writeQuery.setObjectChangeSet(
(ObjectChangeSet) uowChangeSet.getObjectChangeSetForClone(object));
}
}
writeQuery.setObject(object);
writeQuery.setCascadePolicy(query.getCascadePolicy());
query.getSession().executeQuery(writeQuery);
}
}
}
}
/** INTERNAL: Build and return a new element based on the specified element. */
public Object buildElementFromElement(Object element, MergeManager mergeManager) {
if (this.shouldMergeCascadeParts(mergeManager)) {
ObjectChangeSet objectChangeSet = null;
if (mergeManager.getSession().isUnitOfWork()) {
UnitOfWorkChangeSet uowChangeSet =
(UnitOfWorkChangeSet)
((UnitOfWorkImpl) mergeManager.getSession()).getUnitOfWorkChangeSet();
if (uowChangeSet != null) {
objectChangeSet = (ObjectChangeSet) uowChangeSet.getObjectChangeSetForClone(element);
}
}
Object mergeElement = mergeManager.getObjectToMerge(element);
mergeManager.mergeChanges(mergeElement, objectChangeSet);
}
return mergeManager.getTargetVersionOfSourceObject(element);
}
/** INTERNAL: Insert privately owned parts */
public void preInsert(WriteObjectQuery query) throws DatabaseException, OptimisticLockException {
// Checks if privately owned parts should be inserted or not.
if (!shouldObjectModifyCascadeToParts(query)) {
return;
}
// Get the privately owned parts
Object object = getRealAttributeValueFromObject(query.getObject(), query.getSession());
if (object == null) {
return;
}
if (isPrivateOwned()) {
// No need to set changeSet as insert is a straight copy anyway
InsertObjectQuery insertQuery = new InsertObjectQuery();
insertQuery.setIsExecutionClone(true);
insertQuery.setObject(object);
insertQuery.setCascadePolicy(query.getCascadePolicy());
query.getSession().executeQuery(insertQuery);
} else {
ObjectChangeSet changeSet = null;
UnitOfWorkChangeSet uowChangeSet = null;
if (query.getSession().isUnitOfWork()
&& (((UnitOfWorkImpl) query.getSession()).getUnitOfWorkChangeSet() != null)) {
uowChangeSet =
(UnitOfWorkChangeSet) ((UnitOfWorkImpl) query.getSession()).getUnitOfWorkChangeSet();
changeSet = (ObjectChangeSet) uowChangeSet.getObjectChangeSetForClone(object);
}
WriteObjectQuery writeQuery = new WriteObjectQuery();
writeQuery.setIsExecutionClone(true);
writeQuery.setObject(object);
writeQuery.setObjectChangeSet(changeSet);
writeQuery.setCascadePolicy(query.getCascadePolicy());
query.getSession().executeQuery(writeQuery);
}
}
