how does hibernate sessionfactory manage session?
connection, hibernate, session, sessionfactory
Solution
I recommend the `getCurrentSession` method because only with this method you have the possibility to be sure that the session will be closed from hibernate
Configuration J2EE Current Session.
If you use the `openSession` method, you must close the sessions by yourself. After i begin to work with hibernate i thought it does'n matter which method I use because all session will be closed automatically... i was wrong. I had discovered with the SessionStatistics from hibernate SessionStatistics that the open session was already opened and never closed. After i changed all calls to `getCurrentSession` and `impl`. the Session-per-request pattern opened session will be closed after work.
Transactions Basics.
Problem
I have just got the relationship between Hibernate Session and Connection. But now, I get another question: how does hibernate sessionfactory manage session? In the following code segment: save() method of a DAO class: ``` Session session = sessionFactory.openSession(); Transaction tx=null; tx=session.beginTransaction(); session.save(transientInstance); session.flush(); tx.commit(); ``` When we call `sessionFactory.openSession()` , it will create a new session attached to the current thread (through the ThreadLocal), this session is also attached to a JDBC connection, But, as you can see, we don't need to close the session (session.close()), neither the connection. So, what is the lifecycle of a Hibernate session, in what circumstances it will be closed? automatically?