@Override
public void initializeObjects(
List<EntityInfo> entityInfos,
LinkedHashMap<EntityInfoLoadKey, Object> idToObjectMap,
ObjectInitializationContext objectInitializationContext) {
// Do not call isTimeOut here as the caller might be the last biggie on the list.
final int numberOfObjectsToInitialize = entityInfos.size();
if (numberOfObjectsToInitialize == 0) {
if (log.isTraceEnabled()) {
log.tracef("No object to initialize");
}
return;
}
SessionImplementor sessionImplementor =
(SessionImplementor) objectInitializationContext.getSession();
String entityName =
objectInitializationContext
.getSession()
.getSessionFactory()
.getClassMetadata(objectInitializationContext.getEntityType())
.getEntityName();
EntityPersister persister = sessionImplementor.getFactory().getEntityPersister(entityName);
PersistenceContext persistenceContext = sessionImplementor.getPersistenceContext();
// check the persistence context
List<EntityInfo> remainingEntityInfos = new ArrayList<>(numberOfObjectsToInitialize);
for (EntityInfo entityInfo : entityInfos) {
if (ObjectLoaderHelper.areDocIdAndEntityIdIdentical(
entityInfo, objectInitializationContext.getSession())) {
EntityKey entityKey = sessionImplementor.generateEntityKey(entityInfo.getId(), persister);
Object o = persistenceContext.getEntity(entityKey);
if (o == null) {
remainingEntityInfos.add(entityInfo);
} else {
EntityInfoLoadKey key = new EntityInfoLoadKey(entityInfo.getClazz(), entityInfo.getId());
idToObjectMap.put(key, o);
}
} else {
// if document id != entity id we can't use PC lookup
remainingEntityInfos.add(entityInfo);
}
}
// update entityInfos to only contains the remaining ones
final int remainingSize = remainingEntityInfos.size();
if (log.isTraceEnabled()) {
log.tracef(
"Initialized %d objects out of %d in the persistence context",
(Integer) (numberOfObjectsToInitialize - remainingSize),
(Integer) numberOfObjectsToInitialize);
}
if (remainingSize > 0) {
delegate.initializeObjects(remainingEntityInfos, idToObjectMap, objectInitializationContext);
}
}
private static void processDereferencedCollection(
PersistentCollection coll, SessionImplementor session) {
final PersistenceContext persistenceContext = session.getPersistenceContext();
CollectionEntry entry = persistenceContext.getCollectionEntry(coll);
final CollectionPersister loadedPersister = entry.getLoadedPersister();
if (LOG.isDebugEnabled() && loadedPersister != null) {
LOG.debugf(
"Collection dereferenced: %s",
MessageHelper.collectionInfoString(
loadedPersister, entry.getLoadedKey(), session.getFactory()));
}
// do a check
boolean hasOrphanDelete = loadedPersister != null && loadedPersister.hasOrphanDelete();
if (hasOrphanDelete) {
Serializable ownerId =
loadedPersister.getOwnerEntityPersister().getIdentifier(coll.getOwner(), session);
if (ownerId == null) {
// the owning entity may have been deleted and its identifier unset due to
// identifier-rollback; in which case, try to look up its identifier from
// the persistence context
if (session.getFactory().getSettings().isIdentifierRollbackEnabled()) {
EntityEntry ownerEntry = persistenceContext.getEntry(coll.getOwner());
if (ownerEntry != null) {
ownerId = ownerEntry.getId();
}
}
if (ownerId == null) {
throw new AssertionFailure(
"Unable to determine collection owner identifier for orphan-delete processing");
}
}
EntityKey key = session.generateEntityKey(ownerId, loadedPersister.getOwnerEntityPersister());
Object owner = persistenceContext.getEntity(key);
if (owner == null) {
throw new AssertionFailure(
"collection owner not associated with session: " + loadedPersister.getRole());
}
EntityEntry e = persistenceContext.getEntry(owner);
// only collections belonging to deleted entities are allowed to be dereferenced in the case
// of orphan delete
if (e != null && e.getStatus() != Status.DELETED && e.getStatus() != Status.GONE) {
throw new HibernateException(
"A collection with cascade=\"all-delete-orphan\" was no longer referenced by the owning entity instance: "
+ loadedPersister.getRole());
}
}
// do the work
entry.setCurrentPersister(null);
entry.setCurrentKey(null);
prepareCollectionForUpdate(coll, entry, session.getFactory());
}
