Abstract Persistence
J2EE 1.3 introduces an exciting new approach to entity bean persistence management. It applies only when using the container-managed persistence mechanism. The majority of the changes we are talking about revolve around the complete separation of the bean implementation from its persistent representation. The changes result in the introduction of two concepts we have not seen before: the Abstract Persistence Schema and the Persistence Manager.
Abstract Persistence Schema
One of the issues people had with data access code in general was that often the details of the database involved weren't fully known until very late in the development cycle. This stemmed from the fact that the database design and the EJB design were often ...
Get Developing Enterprise Java Applications with J2EE™ and UML now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
