@Test public void testPropertyRefToJoinedSubclass() { Session session = openSession(); Transaction tx = session.beginTransaction(); Person p = new Person(); p.setName("Gavin King"); BankAccount acc = new BankAccount(); acc.setBsb("0634"); acc.setType('B'); acc.setAccountNumber("xxx-123-abc"); p.setBankAccount(acc); session.persist(p); tx.commit(); session.close(); session = openSession(); tx = session.beginTransaction(); p = (Person) session.get(Person.class, p.getId()); assertNotNull(p.getBankAccount()); assertTrue(Hibernate.isInitialized(p.getBankAccount())); tx.commit(); session.close(); session = openSession(); tx = session.beginTransaction(); p = (Person) session .createCriteria(Person.class) .setFetchMode("bankAccount", FetchMode.JOIN) .uniqueResult(); assertNotNull(p.getBankAccount()); assertTrue(Hibernate.isInitialized(p.getBankAccount())); tx.commit(); session.close(); session = openSession(); tx = session.beginTransaction(); session.delete(p); tx.commit(); session.close(); }