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Implementing Hibernate Session per Request using EJB CMT  RSS feed

nicholas kershaw
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I'm looking for a few pointers on implementing the hibernate session per request pattern for the following scenario,

The environment will consist of Spring 2.0, Hibernate 3.x, and EJB 2.1 [with CMT]

The problem involves an EJB method which calls a number of methods involving several DAO's that insert/read from the database.

In this instance we'd be using CMT configured through the deployment descriptor with app values for propagation.

I'd like to use the same Hibernate session for all database access operations.

Having looked through the hibernate documentation, I've figured that I need to set the following properties

i.) hibernate.transaction.factory_class = org.hibernate.transaction.CMTTransactionFactory


iii.) hibernate.current_session_context_class = thread [Do I need this?]

iv.)Finally, in my DAOs [all extending HibernateDaoSupport) would I have to replace all references of HibernateTemplate with app calls to sessionFactory.getCurrentSession(), e.g.

getHibernateTemplate().find(...) with this.getSessionFactory().getCurrentSession().find(...) etc.

Is this all I need to do or am I on the wrong track?

thanking you in advance,


It is sorta covered in the JavaRanch Style Guide.
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