Core J2EE Patterns: Best Practices and Design Strategies
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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resetIndex () resets the index to the start of the list. Depending on the need, other
convenience methods can be included to be part of the ValuelistIterator interface.
Valuelist Handler This is a list handler object that implements the ...
For example, a query to display a list of books uses a Value List Handler to obtain
the list. When the user wants to view a book in detail, it involves the book's entity
bean in a transaction. Sample Code Implementing the Value List Handler as a ...
Example 8.29 Implementing Value List Handler Pattern // use ProjectVO as a
template to determine // search criteria private ProjectVO projectCriteria = null; //
Client creates a ProjectVO instance, sets the // values to use for search criteria
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J2EE Platform Overview
Presentation Tier Design Considerations and Bad Practices 34
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