Simplify data access in WebSphere Application Server applications with EJB 3.0 and the Java Persistence API

by David Cook, Ascendant Technology, LLC

Find out how to use the Java Persistence API (JPA) as your data access framework for enterprise applications — it’s fast, portable, and easy to work with, and Rational Application Developer (RAD) V7.5 provides tools that make JPA development even easier. This article shows enterprise developers and architects working with WebSphere Application Server V7.0 how to access application data using JPA and the Enterprise JavaBeans (EJB) 3.0 specification. As you follow step-by-step directions to create a sample application’s artifacts, you’ll learn how to use RAD’s JPA tools and work with the JPA’s most significant features, such as entity inheritance and relationship meta-data mapping. The sample application is available for download from The Sphere Web site.

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