proxy « Session « JPA Q&A

1. 2 opens sessions with GenericDao and proxy

Hi everybody. I have a problem witth Illegal attempt to associate a collection with two open sessions Someone can help me please ? This is my genericDao Code: public interface GenericDao { PK save(T newInstance); T findById(PK id); List findAll(); void update(T ...

3. reassociating proxies after session closed

5. session.get(Class) don't return a proxy

6. return a proxy with Session.get()

Page 565 of the book says "If you call get() instead of load() you trigger a database hit and no proxy is returned" but javadoc says "(If the instance, or a proxy for the instance, is already associated with the session, return that instance or proxy.)" get() can or cannot return a proxy?

7. Proxy Session in Hybernate 3.0

Hi I have a question about the Hibernate 3.0. Can we impliment Proxy session in Hibernate. if we can then please tell me how we can impliment. Example. Connection conn= JDBC.getConnection(); Properties properties = new Properties(); properties.put("PROXY_USER_NAME", "NOTIFICATION"); ((OracleConnection)conn).applyConnectionAttributes(properties); final Session saveSession1 = sessionFactory.openSession(conn); saveSession1.beginTransaction(); saveSession1.saveOrUpdate(object); saveSession1.flush(); //((OracleConnection)conn).close(OracleConnection.PROXY_SESSION); saveSession1.getTransaction().commit(); but this code is giving the following error This method is only ...

8. Functional inconsistency on session-proxy methods

I'm using hibernate in version I would like to use the hibernate feature for passing session by thread local. I have configured hibernate with (thread) but what I'm getting is Quote: org.hibernate.HibernateException: createCriteria is not valid without active transaction at org.hibernate.context.ThreadLocalSessionContext$TransactionProtectionWrapper.invoke My testing code is Code: package sk.posam.test.hibernate; import java.sql.SQLException; import org.hibernate.Criteria; import org.hibernate.SessionFactory; import org.hibernate.cfg.Configuration; import org.hibernate.classic.Session; import ...