Last weekend while pondering the question “Is Scala ready for the enterprise?” I decided to write a simple Java EE 6 app entirely in Scala, without using any Java. I had three main reasons for doing this: one was just to see how easy/difficult it would be to write everything in Scala (it was easy). Another was to document the process for others journeying down the same road (the entire project is on github). Finally, I wanted to identify advantages of using Scala instead of Java that are specific to Java EE apps (I found several).
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Posts Tagged ‘JPA’
Java EE 6 and Scala
February 22nd, 2010Regarding JPA – is the EntityManager a DAO…
September 15th, 2009Do 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 be saved here?
