Core J2EE Patterns: Best Practices and Design StrategiesPrentice 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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61 ページ
... business logic , which is often misunderstood to mean that only code related to get- ting and setting data must be included in the entity bean . Business logic generally includes any logic associated with provid- ing some service . For ...
... business logic , which is often misunderstood to mean that only code related to get- ting and setting data must be included in the entity bean . Business logic generally includes any logic associated with provid- ing some service . For ...
83 ページ
... Logic Business logic and presentation formatting are intermingled within a JSP view . Extract business logic into one or more helper classes that can be used by the JSP or by a controller . View Formatting Formatting Helper View Business ...
... Logic Business logic and presentation formatting are intermingled within a JSP view . Extract business logic into one or more helper classes that can be used by the JSP or by a controller . View Formatting Formatting Helper View Business ...
112 ページ
... logic Entity Bean B Entity Bean C Client or Presentation Tier -Business- Tier Client or Presentation Tier Motivation Inter - entity bean business logic Entity Bean B Entity Bean C Business Tier In " Eliminate Inter - Entity Bean ...
... logic Entity Bean B Entity Bean C Client or Presentation Tier -Business- Tier Client or Presentation Tier Motivation Inter - entity bean business logic Entity Bean B Entity Bean C Business Tier In " Eliminate Inter - Entity Bean ...
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BlockOut business components Business Delegate business logic business objects business service business tier BusinessObject class diagram coarse-grained object Composite Entity composite value object container create Custom Tag Helper Data Access Code Data Access Object database Delegate pattern dependent objects developers encapsulated enterprise bean entity bean Facade pattern fine-grained Front Controller handling Helper Strategy HttpServletRequest implementation interactions interface invocation invokes J2EE Pattern Catalog J2EE platform J2SE Java Java Center JDBC JNDI JSP View lookup multiple persistent Presentation Tier problem Project public class public String public void Refactoring relationships ResourceException ResourceVO response retrieval reuse role Sample Code sequence diagram Service Locator Service to Worker servlet Session Facade shown in Example solution stateless session bean technologies template Tier Patterns tion transaction typically Value List Handler Value Object Assembler Value Objects Strategy ValueListHandler View Helper view management View Strategy