@Override
public void doBeforeTransactionCompletion(SessionImplementor session) {
final EntityPersister persister = entry.getPersister();
final Object latestVersion = persister.getCurrentVersion(entry.getId(), session);
if (!entry.getVersion().equals(latestVersion)) {
throw new OptimisticLockException(
object,
"Newer version ["
+ latestVersion
+ "] of entity ["
+ MessageHelper.infoString(entry.getEntityName(), entry.getId())
+ "] found in database");
}
}
/**
* process cascade save/update at the start of a flush to discover any newly referenced entity
* that must be passed to saveOrUpdate(), and also apply orphan delete
*/
private void prepareEntityFlushes(EventSource session, PersistenceContext persistenceContext)
throws HibernateException {
LOG.debug("Processing flush-time cascades");
final Object anything = getAnything();
// safe from concurrent modification because of how concurrentEntries() is implemented on
// IdentityMap
for (Map.Entry<Object, EntityEntry> me : persistenceContext.reentrantSafeEntityEntries()) {
// for ( Map.Entry me : IdentityMap.concurrentEntries( persistenceContext.getEntityEntries()
// ) ) {
EntityEntry entry = (EntityEntry) me.getValue();
Status status = entry.getStatus();
if (status == Status.MANAGED || status == Status.SAVING || status == Status.READ_ONLY) {
cascadeOnFlush(session, entry.getPersister(), me.getKey(), anything);
}
}
}
/**
* process cascade save/update at the start of a flush to discover any newly referenced entity
* that must be passed to saveOrUpdate(), and also apply orphan delete
*/
private void prepareEntityFlushes(EventSource session) throws HibernateException {
LOG.debugf("Processing flush-time cascades");
final Map.Entry[] list =
IdentityMap.concurrentEntries(session.getPersistenceContext().getEntityEntries());
// safe from concurrent modification because of how entryList() is implemented on IdentityMap
final int size = list.length;
final Object anything = getAnything();
for (int i = 0; i < size; i++) {
Map.Entry me = list[i];
EntityEntry entry = (EntityEntry) me.getValue();
Status status = entry.getStatus();
if (status == Status.MANAGED || status == Status.SAVING || status == Status.READ_ONLY) {
cascadeOnFlush(session, entry.getPersister(), me.getKey(), anything);
}
}
}
/**
* Handle the given delete event. This is the cascaded form.
*
* @param event The delete event.
* @param transientEntities The cache of entities already deleted
* @throws HibernateException
*/
public void onDelete(DeleteEvent event, Set transientEntities) throws HibernateException {
final EventSource source = event.getSession();
final PersistenceContext persistenceContext = source.getPersistenceContext();
Object entity = persistenceContext.unproxyAndReassociate(event.getObject());
EntityEntry entityEntry = persistenceContext.getEntry(entity);
final EntityPersister persister;
final Serializable id;
final Object version;
if (entityEntry == null) {
LOG.trace("Entity was not persistent in delete processing");
persister = source.getEntityPersister(event.getEntityName(), entity);
if (ForeignKeys.isTransient(persister.getEntityName(), entity, null, source)) {
deleteTransientEntity(
source, entity, event.isCascadeDeleteEnabled(), persister, transientEntities);
// EARLY EXIT!!!
return;
}
performDetachedEntityDeletionCheck(event);
id = persister.getIdentifier(entity, source);
if (id == null) {
throw new TransientObjectException(
"the detached instance passed to delete() had a null identifier");
}
final EntityKey key = source.generateEntityKey(id, persister);
persistenceContext.checkUniqueness(key, entity);
new OnUpdateVisitor(source, id, entity).process(entity, persister);
version = persister.getVersion(entity);
entityEntry =
persistenceContext.addEntity(
entity,
(persister.isMutable() ? Status.MANAGED : Status.READ_ONLY),
persister.getPropertyValues(entity),
key,
version,
LockMode.NONE,
true,
persister,
false);
} else {
LOG.trace("Deleting a persistent instance");
if (entityEntry.getStatus() == Status.DELETED || entityEntry.getStatus() == Status.GONE) {
LOG.trace("Object was already deleted");
return;
}
persister = entityEntry.getPersister();
id = entityEntry.getId();
version = entityEntry.getVersion();
}
/*if ( !persister.isMutable() ) {
throw new HibernateException(
"attempted to delete an object of immutable class: " +
MessageHelper.infoString(persister)
);
}*/
if (invokeDeleteLifecycle(source, entity, persister)) {
return;
}
deleteEntity(
source,
entity,
entityEntry,
event.isCascadeDeleteEnabled(),
event.isOrphanRemovalBeforeUpdates(),
persister,
transientEntities);
if (source.getFactory().getSettings().isIdentifierRollbackEnabled()) {
persister.resetIdentifier(entity, id, version, source);
}
}