Java Code Examples for org.hibernate.collection.PersistentCollection#unsetSession()

/**
 * Add an collection to the cache, with a given collection entry.
 *
 * @param coll The collection for which we are adding an entry.
 * @param entry The entry representing the collection.
 * @param key The key of the collection's entry.
 */
private void addCollection(PersistentCollection coll, CollectionEntry entry, Serializable key) {
	collectionEntries.put( coll, entry );
	CollectionKey collectionKey = new CollectionKey( entry.getLoadedPersister(), key, session.getEntityMode() );
	PersistentCollection old = ( PersistentCollection ) collectionsByKey.put( collectionKey, coll );
	if ( old != null ) {
		if ( old == coll ) {
			throw new AssertionFailure("bug adding collection twice");
		}
		// or should it actually throw an exception?
		old.unsetSession( session );
		collectionEntries.remove( old );
		// watch out for a case where old is still referenced
		// somewhere in the object graph! (which is a user error)
	}
}
 

public void evictCollection(Object value, CollectionType type) {

		final Object pc;
		if ( type.hasHolder( getSession().getEntityMode() ) ) {
			pc = getSession().getPersistenceContext().removeCollectionHolder(value);
		}
		else if ( value instanceof PersistentCollection ) {
			pc = value;
		}
		else {
			return; //EARLY EXIT!
		}

		PersistentCollection collection = (PersistentCollection) pc;
		if ( collection.unsetSession( getSession() ) ) evictCollection(collection);
	}