October 2006
Intermediate to advanced
880 pages
22h 11m
English
Content preview from Java Persistence with Hibernate
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3.5. Summary
In this chapter, we focused on the design and implementation of a rich domain model in Java.
You now understand that persistent classes in a domain model should to be free of crosscutting concerns, such as transactions and security. Even persistence-related concerns should not leak into the domain model implementation. You also know how important transparent persistence is if you want to execute and test your business objects independently and easily.
You have learned the best practices and requirements for the POJO and JPA entity programming model, and what concepts they have in common with the old JavaBean specification. We had a closer look at the implementation of persistent classes, and how attributes and relationships are ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.