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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57 ページ
... Business logic generally includes any logic associated with provid- ing some service . For this discussion , consider business logic to include all logic related to processing , workflow , business rules , data , and so forth . The ...
... Business logic generally includes any logic associated with provid- ing some service . For this discussion , consider business logic to include all logic related to processing , workflow , business rules , data , and so forth . The ...
150 ページ
... business logic Entity Bean B Entity Bean C Client or Presentation Tier Business Tier Figure 5.20 Move Business Logic to Session Motivation Client or Presentation Tier Business- Tier In " Reduce Inter - Entity Bean Communication " on ...
... business logic Entity Bean B Entity Bean C Client or Presentation Tier Business Tier Figure 5.20 Move Business Logic to Session Motivation Client or Presentation Tier Business- Tier In " Reduce Inter - Entity Bean Communication " on ...
152 ページ
... business logic Client Servlets / JSPS Data Access Object Database -Client- Tier Presentation Tier Resource Tier Servlets & JSPs contain presentation logic . Business delegates Session Beans contain business logic . decouple the tiers ...
... business logic Client Servlets / JSPS Data Access Object Database -Client- Tier Presentation Tier Resource Tier Servlets & JSPs contain presentation logic . Business delegates Session Beans contain business logic . decouple the tiers ...
目次
J2EE Pattern Catalog | xxii |
Patterns Frameworks and Reuse | 24 |
Presentation Tier Design Considerations and Bad Practices | 34 |
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application asynchronous bad practices business components Business Delegate business logic business objects business service business tier BusinessObject Chapter class diagram coarse-grained object Command object Composite Entity create Data Access Object database Delegate pattern dependent objects Dispatcher View pattern encapsulated enterprise bean entity bean Facade pattern Factory Figure Front Controller handling Helper Strategy implementation interactions interface invoke J2EE Pattern Catalog J2EE platform Java Java Center java.io.IOException JavaBean JDBC JNDI JSP View lookup Martin Fowler nextview Presentation Tier processing Project ProjectVO public class public String public void Refactoring relationships resource ResourceException ResourceVO retrieval reuse role Sample Code sequence diagram server Service Activator Service Locator Service to Worker ServiceLocator servlet servlet request ServletResponse Session Facade shown in Example solution stateless session beans technologies template Tier Patterns transaction typically update Value Object Assembler Value Objects Strategy view management View Strategy