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Core J2EE™ Patterns: Best Practices and Design Strategies, Second Edition by Dan Malks, John Crupi, Deepak Alur

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Chapter 3. Business Tier Design Considerations and Bad Practices

Topics in This Chapter

  • Business Tier Design Considerations

  • Business and Integration Tiers Bad Practices

Business Tier Design Considerations

When you apply the business tier and integration tier patterns in this book, you'll need to know about related design issues, which we cover in this chapter. These issues cover a variety of topics, and can affect many aspects of a system.

The discussions in this chapter simply describe each issue as a design issue that you should consider when implementing systems based on the J2EE pattern catalog.

Using Session Beans

Session beans are distributed business components with the following characteristics, per the EJB specification:

  • A session bean is dedicated ...

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