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Pro JPA 2

Mastering the Java™ Persistence API

By: Mike Keith, Merrick Schincariol, Jeremy Keith

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eText | 28 January 2011

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Pro JPA 2 introduces, explains, and demonstrates how to use the Java Persistence API (JPA). JPA provides Java developers with both the knowledge and insight needed to write Java applications that access relational databases through JPA.

Authors Mike Keith and Merrick Schincariol take a hands???on approach to teaching by giving examples to illustrate each concept of the API and showing how it is used in practice.

All of the examples use a common model from an overriding sample application, giving readers a context from which to start and helping them to understand the examples within an already familiar domain.

After completing the book, you will have a full understanding and be able to successfully code applications using JPA. The book also serves as a reference guide during initial and later JPA application experiences.

Hands-on examples for all the aspects of the JPA specification, based on the reference implementation of this specification
A special section on migration to JPA
Expert insight about various aspects of the API and when they are useful
Portability hints to provide increased awareness of the potential for non???portable JPA code

What you???ll learn

Get started with enterprise applications using JPA 2
Get up to speed with object???relational mapping and Entity Manager
Learn and use queries and the query language (JP QL)
Employ advanced object???relational mapping techniques
Use XML mapping files and learn other advanced techniques
Package and deploy your Java persistence applications
Test your Java persistence applications
Migrate your Java persistence applications

Who this book is for

The book generally targets enterprise and persistence developers who fall in one of three categories:

Those who are new to persistence; we will present some background information and introduce these readers to the basic persistence concepts to bring them up to speed.
Those who know and/or use existing??ORM persistence products such as Hibernate or TopLink.
Those who have already used JPA and want to learn about??newer features??introduced by??JPA 2, or have a good reference book to consult when they develop JPA applications.

In general, we assume that the reader is knowledgeable with Java, SQL, and JDBC, and has a little knowledge of J2EE.

Table of Contents