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So here's the situation. Let's say I have this query here: SELECT * FROM employees WHERE employee_id NOT IN ( 1234 , 3456 , 5678 ); How do we do that with the Hibernate Criteria object with a Restriction? You would think that the Restrictions API would have a "not in" method, since it...

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Do we really need ServiceInterface, ServiceImpl, DaoInterface, and DaoImpl? Or can we just say the EntityManager is the DAO, and blow away a generally unnecessary layer? On CRUD apps, 9x out of 10, the service layer is merely a pass-through to the DAO. Is there time to...