Applying Enterprise JavaBeans™: Component-Based Development for the J2EE™ Platform (Java Series) - Softcover

Matena, Vlada; Stearns, Beth

Softcover

ISBN 10: 0201702673 ISBN 13: 9780201702675

Publisher: Addison Wesley, 2000

Synopsis

In this authoritative book, Sun's Enterprise JavaBeans architect demonstrates how to leverage the full power of EJB to deploy component-based enterprise systems faster, and more effectively. Start by understanding EJB's architecture and its interrelationships with the rest of Sun Microsystems' rich Java 2 Enterprise Edition platform for large-scale business development. Compare each architectural option for implementing EJB in your applications, and understand when to use each; review each element of an Enterprise JavaBean; then master container tools and services, EJB roles, session beans, entity beans, transactions, security, and more. The book includes extensive sample code, full-fledged application examples, and a complete API reference. It will be an ideal resource for everyone implementing Enterprise JavaBeans applications: in-house corporate developers, third-party developers creating EJB applications and reusable components; Java developers; architects, managers, and other IT professionals.

About this title

Review:

As an authoritative resource for using Enterprise JavaBeans (EJBs) effectively to build and integrate even the largest systems, Applying Enterprise JavaBeans provides what IT managers and developers need to adopt this powerful component standard successfully in new Java projects.

Most books on EJBs are strong on theory, but tend to leave out many details of how to implement components in real projects. That's where this text steps in, providing real code (and real design decisions) for implementing different kinds of JavaBeans, like session and entity beans. Better yet, it contains a case study of a human resources benefits enrolment system that integrates data from different vendors, using EJBs as the glue holding them together. (Using fictitious vendor names like "Star Enterprise" "Wombat" and "Providence", the book shows how EJBs can lead to successful enterprise integration.)

Subsequent chapters look at different aspects of this system, from session beans (including stateful beans used to manage sessions) to detailed examples of entity beans in action. There are plenty of state transition diagrams (that show the inner workings of EJBs in a variety of scenarios) and source code (useful for Java developers). Without actually anchoring this material in an actual application server (which would make the book even more practical), it does a good job of fleshing out the EJB standard for real projects, exposing what really goes on between application server "containers" and the beans they manage, including activation and passivation states.

Final sections examine transactions and security options for components, including the use of declarative statements in XML descriptors to simplify these aspects of EJB design. Finally, there's a reference for built-in EJB classes and APIs.

Overall, this book can help put EJBs within reach for programmers and managers. Its mix of practical expert advice and sample source code will help demystify EJB components and how to use them to create successful, state-of-the-art enterprise systems. --Richard Dragan

From the Back Cover:

Written by the chief architect of the Enterprise JavaBean™ (EJB) specification, Applying Enterprise JavaBeans™ provides complete, in-depth, and authoritative information on the EJB technology. Written for Java developers, IT personnel and independent software vendors (ISVs), this book presents the EJB architecture from the point of view of the person developing EJB applications.

You will find in-depth coverage of such topics as:

• EJB's place within the Java™ 2 Platform, Enterprise Edition
• The advantages of the EJB architecture
• The internal structure of enterprise beans
• Session beans, including a discussion on stateful versus stateless session beans
• Entity beans, including life cycle, persistence management, and container management
• Transaction management
• Overview of security responsibilities of the various EJB roles
• Using EJB in application integration

Two example applications that run throughout the book are used to illustrate many of the typical problems encountered in enterprise application development. The first example application, a benefits enrollment application developed by an in-house IT department, explains session beans and how to use them. The second example uses the first example and turns it into an application developed by an ISV, demonstrating how the entity bean architecture helps ISVs overcome the challenges of programming for multiple clients and different operational environments.

In addition to the two application examples, the authors describe the individual features of the EJB architecture and discuss when and how they should be used in applications. The book concludes with a comprehensive API reference.

0201702673B04062001

About this edition

• Publisher: Addison Wesley
• Publication date: 2000
• ISBN 10: 0201702673
• ISBN 13: 9780201702675
• Binding: Paperback
• Edition number: 1
• Number of pages: 464