Applying Enterprise JavaBeans 2.1: Component-Based Development for the J2EE Platform (2nd Edition) Review

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Applying Enterprise JavaBeans 2.1: Component-Based Development for the J2EE Platform (2nd Edition) ReviewThis book is similar in content to the Monson-Haefel EJB 1.1 book. For EJB beginners, it is somewhat more readable than the latter book, and complete blocks of code are given (for an entire EJB bean class for example) in the book pages. However, as a book that only covers EJB 1.1 spec and is not application server specific, it is rather late to the market and as a result its value is somewhat reduced.
The pluses of the book: the strongest selling point of the book is that it does an excellent job in explaining the EJB API (this may be attributed to the fact that the leading author of the book is a member of the Sun's J2EE architecture team). Things I find very useful include discussions on varies methods defined in the EJBObject and EJBHome and the Bean interfaces, the different life cycle behaviors among various type of EJB's, the container-bean contract, and container services such as transaction management and security control, all in a very clear manner. Although there is no integrated application in the book, unlike the Wrox Press's WebLogic book, the EJB design in this book is more sophisticated. The best practices of using value objects, dependent classes, helper classes, and database connection are all well-demonstrated throughout the code and clearly explained.
The minuses of the book: in addition to the ones I mentioned earlier, this book does not have a companion website to allow one to download the source code. It doesn't provide instructions to set up an EJB server to run the samples, and coverage on how to invoke EJB's from JSP and Java clients is limited.
My suggestion: if you are new to EJB and don't care too much about the upcoming EJB 2.0 CMP service and message-driven beans at this point, this is a good alternative to the Monson-Haefel book. On the other hand, if you already own other EJB books or have hands-on experience, I think you should wait for the 2nd Ed. of the book by Ed Roman et al. to come out in the summer. As a side note, from what I understand the new Roman book promises to cover all the new EJB 2.0 stuff and uses WebLogic 6.0 for its samples.Applying Enterprise JavaBeans 2.1: Component-Based Development for the J2EE Platform (2nd Edition) OverviewThe Enterprise JavaBeans (EJB) architecture, part of J2EE, is a technology for developing and managing distributed applications in an enterprise environment. This book, like the first edition, is an advanced programming guide and reference to EJB, written by two architects of the EJB specifications. The second edition has been updated and expanded to cover the latest changes with the EJB 2.1 architecture, including support for Web services, message-driven beans, container-managed relationships, local client views, the EJB Query Language, and timer beans. This new edition details these latest features, complete with comprehensive application examples that show developers how to best put them to use.

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