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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Table 6-7 Business Tier Patterns Pattern Pattern Pattern Pattern Pattern Pattern
Pattern I Table 6-7 Business Tier Patterns ... "Business Delegate" on page 248
Hide implementation details of business service lookup/creation/access "
It is desirable to reduce network traffic between client and business services.
Solution Use a Business Delegate to reduce coupling between presentation-tier
clients and business services. The Business Delegate hides the underlying ...
and Data Access Object pattern, 407 and Session Facade pattern, 309 Business
components, client aggregation of data from, 70 Business Delegate: introducing,
106-7 mechanics, 107 motivation, 106 and Lookup Service, 250, 251, 253 ...
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J2EE Platform Overview
Design Considerations Bad Practices and Refactorings
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