[hibernate-dev] Integrator and retrieving objects

In JPA and other Java specs, there is a pattern emerging where one could unwrap some objects from a common API interface EntityManager { T unwrap(Class<T> type); } We typically let a Session be extracted from an EntityManager Session session = entityManager.unwrap(Session.class); I wonder if we want do provide a possibility for third party Hibernate integrators to let some objects be unwrapped. FullTextSession ftSession = session.unwrap(FullTextSession.class); //the current approach is via some static helper method //FullTextSession ftSession = Search.getFullTextSession(session); That would mean that the integration point between HSearch and Hibernate would have an unwrap method and Hibernate would delegate the unwrap calls to each integrator until a non null object is returned. It's just a thought, WDYT?