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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113 ページ
... Data Access Database Code Data Control Access Class Database Object Figure 5.21 Separate Data Access Code Motivation Create cleaner abstractions , increase cohesion , and reduce coupling , thus improving modularity and reusability ...
... Data Access Database Code Data Control Access Class Database Object Figure 5.21 Separate Data Access Code Motivation Create cleaner abstractions , increase cohesion , and reduce coupling , thus improving modularity and reusability ...
114 ページ
... data access code to access some user information . Applying the first two bullets , assume we change the design , as shown in Figure 5.22 . Servlet Data Access Logic Data Servlet Access Object Database Database Presentation Tier ...
... data access code to access some user information . Applying the first two bullets , assume we change the design , as shown in Figure 5.22 . Servlet Data Access Logic Data Servlet Access Object Database Database Presentation Tier ...
198 ページ
... object , which is implemented as a Java- Bean helper . In this case , it is ... access the business services ? Let us examine two cases , one simple and the ... Data Access object ( see " Data Access Object " on page 390 ) , hiding the ...
... object , which is implemented as a Java- Bean helper . In this case , it is ... access the business services ? Let us examine two cases , one simple and the ... Data Access object ( see " Data Access Object " on page 390 ) , hiding the ...
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多く使われている語句
asynchronous business components Business Delegate business logic business objects business service business tier BusinessObject class diagram coarse-grained object Composite Entity composite value object Composite View container context create Custom Tag Helper Data Access Object database Delegate pattern dependent objects EJBHome encapsulated enterprise bean entity bean Facade pattern Figure Front Controller handling Helper Strategy HttpServletRequest implementation interactions interface invocation invokes J2EE platform Java Center JDBC JNDI JSP View lookup multiple Presentation Tier processing Project ProjectVO public class public String public void Refactoring relationships remote remote method call Resource Tier ResourceException ResourceVO response retrieval Sample Code sequence diagram server Service Locator Service to Worker ServiceLocator servlet Session Facade shown in Example solution stateless session bean template Tier Patterns tion transaction typically Value List Handler Value Object Assembler Value Objects Strategy ValueListHandler View Helper view management View Strategy