Amazon.co.uk: Enterprise JavaBeans (Java Series): Richard Monson-Haefel: Books

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Product Description

Amazon.co.uk Review
As many Java developers and IS managers already know, Sun's powerful Enterprise JavaBean (EJB) technology offers an attractive option for developing server-side components. A suitable read for both managers and Java programmers, Enterprise JavaBeans provides a surprisingly clear and engaging introduction to designing and programming with EJBs.

The tour of the EJB component model presented here centres on several beans created and tested for a travel reservation system in a fictitious cruise ship company. The samples are just right in scale, large enough to test out key concepts in design and deployment, but small enough to be comprehensible, even to those who are not Java experts. The author pays good attention to the real-world issues of deployment with EJBs (as well as the differences between vendors application servers which run them).

While there are enough details in Java syntax for designing both entity and session beans for the developer, sections on design here will please those who manage projects without delving much into code. Later, the author shows off choices for designing entity and session beans. (For instance, entity beans can allow their "bean containers" to handle the details of connecting to a database, or they can do it themselves. This book demonstrates both approaches.) When it comes to session beans (which "wire" together entity beans to do real work), the author's introduction to managing state and transactions is also a stand-out. Tips for performance and reusability close out the book.

In all, Enterprise JavaBeans provides an engaging tour of one of the most promising component technologies. It's technically astute, but thoroughly approachable too, and can serve the needs of any manager or Java developer considering EJBs for future projects. --Richard Dragan, Amazon.com

Topics covered: Enterprise JavaBeans (EJBs) basics, distributed architectures, Component Transaction Monitors (CTM's), bean-containers, home and remote bean interfaces, resource management, configuring EJB servers, entity beans, JNDI, container-managed and bean-managed persistence, session beans, stateless and stateful beans, transactions, design and performance hints. --This text refers to the Paperback edition.

Reuven M.Lerner, Linux Magazine, Jan 2001
An excellent introduction to the subject of EB.

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28 of 28 people found the following review helpful:

Very well written and concise., 24 Oct 2001

By A Customer

Having just completed reading/practicing java servlet programming (also by o reilly) I was pleased to find that this book was also as accessible and as concisely written.

It demonstrates and explains the fundementals of EJB and helps the reader keep up with the latest developments (ejb 2.0), - for example container managed persistance is not backwards compatible with 1.1.

All the major areas are covered, and the accompanying examples are excellent. -Highly recommended.

The first three chapters are essentially background material. However being relatively new to this area of java programming, they set the scene by describing the underlying technology, architecture and ejb runtime management.

Chapters 4 - 8 covers Developing enterprise beans, the Client View, Basic Persistence, relationships, and ejb ql.

Chapter 9 refers to EJB 1.1 spec, which probably is not relevant for new projects.

Chapters 10 -13 covers Bean-Managed Persistence, Bean-Managed Persistence, The Entity-Container Contract, Session Beans and Message-Driven Beans. Again, the examples are excellent.

Chapter 14, transactions, is one of the longer chapters that explains how they work in EJB. Although complicated , its clearly explained.

Chapter 15 is a priceless Design Strategies chapter that I expect would be useful even to experienced EJB developers.

The last 2 chapters, 16 and 17 cover xml Deployment Descriptors and J2EE. The former is an excellent reference and well organized, which aids understanding. The J2EE chapter is short, but gives a good overview how ejbs, servlets and jsp fit together.

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14 of 16 people found the following review helpful:

Best EJB 2.0 Spec book available, 26 Oct 2001

By	Mr. D. S. Stadler (London, UK) - See all my reviews

Top notch. Perhaps the best thing about this one is the support on the O'Reilly and Asscociates website. There are downloadable workbooks available through this site to assist readers in downloading, installing, and deploying the examples on the two biggest application servers out there, namely BEA Weblogic 6.1 and IBM Websphere 4.0. Though I believe the Websphere workbook doesn't support the 2.0 specification examples (basically the message EJB stuff). Never mind.

The only rival to this book thus far is 'J2EE Applications and BEA Weblogic Server', which I worked through with much effort last month. The prior book was deployed on Weblogic 6.0, and licensing and deployment of the examples was extremely difficult and time-consuming because of errors and omissions in the book. The source code worked but there were major problems in the deployment descriptor (xml config) files and in the build and deployment scripts. Licensing was also difficult to get through.

Nevertheless I would still recommend the BEA book for it's excellent sections on Weblogic-specific clustering and administration, which the O'Reilly book doesn't cover in detail.

This is now the clear leader in the EJB 2.0 space, and is likely to remain so.

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3 of 3 people found the following review helpful:

Comprehensive, 17 April 2006

By	J. Foster "J" (Devon, UK) - See all my reviews

This review is from: Enterprise JavaBeans (Paperback)

I found this book to be generally ok. The only problems I ran into is that it can be a little wooly at times, and the way the examples are setup can be a little confusing.

It really is a book for people with a good working knowledge of Java. You'll struggle if you don't already know what your doing. But equally, I was pleased with the way it thoroughly explains the tech behind EJB.

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