Core J2EE Patterns: Best Practices and Design StrategiesOver 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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Example 8.6 Multiple Value Objects Strategy - Resource VO // ResourceVO: This
class holds basic information // about the resource public class ResourceVO
implements java . io . Serializable { public String resourceld; public String
lastName; ...
Example 8.6 Multiple Value Objects Strategy - Resource VO // ResourceVO: This
class holds basic information // about the resource public class ResourceVO
implements java . io . Serializable { public String resourceld; public String
lastName; ...
324 ページ
public class ResourceEntity implements EntityBean { public String employeeld;
public String lastName; public String firstName; public String departmentld; public
String practiceGroup; public String title; public String grade; public String email; ...
public class ResourceEntity implements EntityBean { public String employeeld;
public String lastName; public String firstName; public String departmentld; public
String practiceGroup; public String title; public String grade; public String email; ...
348 ページ
Example 8.25 TaskResourceVO Class public class TaskResourceVO { public
String projectld; public String taskld; public String name; public String description;
public Date startDate; public Date endDate; public ResourceVO ...
Example 8.25 TaskResourceVO Class public class TaskResourceVO { public
String projectld; public String taskld; public String name; public String description;
public Date startDate; public Date endDate; public ResourceVO ...
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目次
CHAPTER | 7 |
J2EE Platform Overview | 16 |
Design Considerations Bad Practices and Refactorings | 32 |
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多く使われている語句
bad practices business components Business Delegate business logic business objects business service business tier BusinessObject Chapter class diagram coarse-grained object Composite Entity composite value object Composite View container create Custom Tag Helper Data Access Code Data Access Object database Delegate pattern dependent objects developers encapsulated enterprise bean entity bean Facade pattern Figure fine-grained Front Controller handling Helper Strategy interactions interface invocation invokes J2EE Pattern Catalog J2EE platform Java Center JDBC JNDI JSP View lookup multiple Presentation Tier problem public class public String public void Refactoring relationships remote method call resource ResourceException ResourceVO response retrieval reuse Sample Code sequence diagram server Service Locator Service to Worker servlet Session Facade shown in Example stateless session bean template Tier Patterns tion transaction typically Value List Handler Value Object Assembler Value Objects Strategy View Helper view management View Strategy