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Standardizing Java Persistence with the EJB3 Java Persistence API - O'Reilly Media

Standardizing Java Persistence with the EJB3 Java Persistence API - O'Reilly Media

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Coming from TopLink/Hibernate background, I can see how simple JPA is, comparing to TopLink or Hibernate (the non-JPA implementation). Note that,as of 2009 projects like Hibernate and Open-Source Version TopLink Essentials have become implementations of the Java Persistence API.

Mapping is much cleaner. Named queries are better implemented! You can now forget all the amender classes/methods:) Annotations rock. Even better, JPA provides a consistent persistence layer regardless of the implementation details (e.g. TopLink essentials or Hibernate). God bless!

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