Document Information


Part I Introduction

1.  Overview

2.  Using the Tutorial Examples

Part II The Web Tier

3.  Getting Started with Web Applications

4.  Java Servlet Technology

5.  JavaServer Pages Technology

6.  JavaServer Pages Documents

7.  JavaServer Pages Standard Tag Library

8.  Custom Tags in JSP Pages

9.  Scripting in JSP Pages

10.  JavaServer Faces Technology

11.  Using JavaServer Faces Technology in JSP Pages

12.  Developing with JavaServer Faces Technology

13.  Creating Custom UI Components

14.  Configuring JavaServer Faces Applications

15.  Internationalizing and Localizing Web Applications

Part III Web Services

16.  Building Web Services with JAX-WS

17.  Binding between XML Schema and Java Classes

18.  Streaming API for XML

19.  SOAP with Attachments API for Java

Part IV Enterprise Beans

20.  Enterprise Beans

21.  Getting Started with Enterprise Beans

22.  Session Bean Examples

23.  A Message-Driven Bean Example

Part V Persistence


Requirements for Entity Classes

Persistent Fields and Properties in Entity Classes

Persistent Fields

Persistent Properties

Primary Keys in Entities

Primary Key Classes

Multiplicity in Entity Relationships

Direction in Entity Relationships

Bidirectional Relationships

Unidirectional Relationships

Queries and Relationship Direction

Cascade Deletes and Relationships

Entity Inheritance

Abstract Entities

Mapped Superclasses

Non-Entity Superclasses

Entity Inheritance Mapping Strategies

Managing Entities

The Persistence Context

The EntityManager Interface

Container-Managed Entity Managers

Application-Managed Entity Managers

Finding Entities Using the EntityManager

Managing an Entity Instance's Life Cycle

Creating Queries

Persistence Units

The persistence.xml File

25.  Persistence in the Web Tier

26.  Persistence in the EJB Tier

27.  The Java Persistence Query Language

Part VI Services

28.  Introduction to Security in the Java EE Platform

29.  Securing Java EE Applications

30.  Securing Web Applications

31.  The Java Message Service API

32.  Java EE Examples Using the JMS API

33.  Transactions

34.  Resource Connections

35.  Connector Architecture

Part VII Case Studies

36.  The Coffee Break Application

37.  The Duke's Bank Application

Part VIII Appendixes

A.  Java Encoding Schemes

B.  About the Authors



Chapter 24

Introduction to the Java Persistence API

The Java Persistence API provides an object/relational mapping facility to Java developers for managing relational data in Java applications. Java Persistence consists of three areas:

  • The Java Persistence API

  • The query language

  • Object/relational mapping metadata