Enterprise JavaBeans, 3rd Edition (For the 4th Edition, please refer to the ISBN: 059600530X)

by: Richard Monson-Haefel

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On-line Price: $59.95 (includes GST) Paperback package 550 33%Off Retail Price You save: $30.00 Sorry, this clearance item is sold out. For a fresh copy. ETA is TBA - Price Subject to Change.	Retail Price: $89.95 Publisher: O'REILLY,September 2001 Category: JAVA Level: I/A ISBN: 0596002262 ISBN13: 9780596002268
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Enterprise JavaBeans 3rd edition has been thoroughly revised to include complete coverage of three major changes in the EJB 2.0 specification: A new version of container-managed persistence; local interfaces; and a totally new kind of bean called the 'message driven bean.' The 3rd edition also contains an architecture overview, information on resource management and primary services, design strategies, and XML deployment descriptors.

  Enterprise JavaBeans was recently voted 'Best Java Book' by the editors and readers of Java Developer's Journal. Readers of JavaPro named it the 'Best Java Book for Experts.' And Amazon.com included it in the Top Computer Books for 2000. Now the best only gets better! In the new 3rd edition, Enterprise JavaBeans has been completely revised and updated with a thorough introduction to the new 2.0 version of the EJB specification. Significantly different from the earlier version, the 2.0 specification introduces three dramatic improvements: A completely new version of container-managed persistence; local interfaces; and a totally new kind of bean called the 'message driven bean.'

  The new version of container-managed persistence (CMP) beans in 2.0 is more portable and robust than in the older 1.1 version. Most significant is the introduction of the relationship fields, which allow entity beans to declare relationships with each other as natural references. In order to make this huge leap in component relationships possible, EJB 2.0 had to redesign how entity beans are defined and interact. Our new 3rd edition examines this critical CMP model in detail.

  Local interfaces are thoroughly discussed as well. Local interfaces allow beans that are co-located to interact without the overhead of remote method calls. This improves the performance of beans considerably and complements the CMP relationship fields.

  Message driven beans are a new kind of enterprise bean based on asynchronous messaging and the Java Message service (JMS). Instead of responding to Java RMI calls, message driven beans process JMS messages sent by messaging clients. An entire chapter is devoted to message-driven beans and how to use them effectively.

  In addition, the 3rd edition contains an architecture overview, information on resource management and primary services, design strategies, and XML deployment descriptors.

Table of Contents

Preface

  1. Introduction

          Setting the Stage

          Enterprise JavaBeans Defined

          Distributed Object Architectures

          Component Models

          Component Transaction Monitors

          CTMs and Server-Side Component Models

          Titan Cruises: An Imaginary Business

          What's Next?

  2. Architectural Overview

          The Enterprise Bean Component

          Using Enterprise Beans

          The Bean-Container Contract

          Summary

  3. Resource Management and the Primary Services

          Resource Management

          Primary Services

          What's Next?

  4. Developing Your First Enterprise Beans

          Choosing and Setting Up an EJB Server

          Developing an Entity Bean

          Developing a Session Bean

  5. The Client View

          Locating Beans with JNDI

          The Remote Client API

          EJB 2.0: The Local Client API

  6. EJB 2.0 CMP: Basic Persistence

          Overview

          The Customer EJB

          Persistence Fields

          Dependent Value Classes

          Relationship Fields

  7. EJB 2.0 CMP: Entity Relationships

          The Seven Relationship Types

  8. EJB 2.0 CMP: EJB QL

          Declaring EJB QL

          The Query Methods

          EJB QL Examples

          Problems with EJB QL

  9. EJB 1.1 CMP

          A Note for EJB 2.0 Readers

          Overview for EJB 1.1 Readers

          Container-Managed Persistence

  10. Bean-Managed Persistence

          The Remote Interface

          The Remote Home Interface

          The Primary Key

          The ShipBean

          Obtaining a Resource Connection

          Exception Handling

          The ejbCreate(

) Method

          The ejbLoad(

) and ejbStore(

) Methods

          The ejbRemove(

) Method

          The ejbFind(

) Methods

          The Deployment Descriptor

  11. The Entity-Container Contract

          The Primary Key

          The Callback Methods

          EJB 2.0: ejbHome(

)

          EntityContext

          The Life Cycle of an Entity Bean

  12. Session Beans

          The Stateless Session Bean

          The Life Cycle of a Stateless Session Bean

          The Stateful Session Bean

          The Life Cycle of a Stateful Session Bean

  13. Message-Driven Beans

          JMS as a Resource

          Message-Driven Beans

  14. Transactions

          ACID Transactions

          Declarative Transaction Management

          Isolation and Database Locking

          Nontransactional Beans

          Explicit Transaction Management

          Exceptions and Transactions

          Transactional Stateful Session Beans

  15. Design Strategies

          Hash Codes in Compound Primary Keys

          Passing Objects by Value

          Improved Performance with

Session

Beans

          Bean Adapters

          Implementing a Common Interface

          Entity Beans Without Create Methods

          EJB 1.1: Object-to-Relational Mapping Tools

          Avoid Emulating Entity Beans with Session Beans

          Direct Database Access from Session Beans

          Avoid Chaining Stateful Session Beans

  16. XML Deployment Descriptors

          What Is an XML Deployment Descriptor?

          The Contents of a Deployment Descriptor

          The Document Header

          The Descriptor's Body

          Describing Enterprise Beans

          EJB 2.0: Describing Relationships

          Describing Bean Assembly

          The ejb-jar File

  17. Java 2, Enterprise Edition

          Servlets

          JavaServer Pages

          Web Components and EJB

          J2EE Fills in the Gaps

          Fitting the Pieces Together

          Future Enhancements

  A. The Enterprise JavaBeans API

  B. State and Sequence Diagrams

  C. EJB Vendors

  Index