Core J2EE Patterns: Best Practices and Design Strategies
Prentice Hall PTR, 2001 - 459 ページ
Over the last few years, Java 2 Platform, Enterprise Edition (J2EE) technology has emerged and matured as a standard platform for building enterprise applications. While the platform has matured into a solid offering for developing and deploying enterprise applications, it does offer its challenges. As developers, often we confuse learning the technology with learning to design with the technology. In this book, senior architects from the Sun Java Center, Sun's Java consulting organization share with the reader their cumulative design experience with and expertise on J2EE technology.
The primary focus of the book is on patterns, best practices, design strategies, and proven solutions using the key J2EE technologies including JavaServer Pages (JSP), Servlets, Enterprise Java Beans (EJB), and Java Message Service (J.M.S) API. Other ancillary technologies like JDBC and JNDI are also discussed as relevant to their usage in these patterns. The J2EE Patterns catalog with 16 patterns and numerous strategies is presented to document and promote best practices for these technologies.
In addition to the patterns and strategies, the book offers the following:
Core J2EE Patterns delivers:
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Figure 2.2 shows the various components of the J2SE platform. c IDE r SDK 1.3
HotSpot P— a~) I "inn—~") i) I } [ «□*» ] Default JRE 1.3 2.2J2SE platform J2EE
Application Components and Containers The J2EE component container ...
In addition, the container may generate classes to support the entity bean
implementation. When the bean is created, these classes are realized as real
objects in the container. In short, the container creates a number of objects to
support each ...
Finder method behavior performance varies, depending on a vendor's container
implementation. According to the EJB specification, a container may invoke
ejbActivate ( ) methods on entities found by a finder method. At a minimum, a
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J2EE Platform Overview
Design Considerations Bad Practices and Refactorings
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