3. JDBC Session 5 Partitioning a Web Application J2EE Architecture & Design Patterns (p. 2) Presentation Tier Business Tier (a.k.a The Middle Tier) Data Tier Corporate Database Corporate Database
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6. JDBC Session 5 Categories of J2EE Design Patterns J2EE Architecture & Design Patterns (p. 5) Presentation Tier Patterns Business Tier Patterns Integration Tier/Data Access Tier Patterns Intercepting Filter Front Controller View Helper Composite View Business Delegate Session Façade Value Object Assembler Data Access Object Value Object Service Locator
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16. JDBC Session 5 Remember, DataAccessObject.java is an interface , so to use it we define one or more member classes that implement the interface: DataAccessObject (p. 3)
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19. JDBC Session 5 Remember, ValueObject.java is abstract , so to use it we define one or more member classes that extend the VO: ValueObject (p. 3)
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25. JDBC Session 5 DAO’s: Not just about Relational Databases: Designing a Framework (p. 3) MemberDAO Relational Database JDBC MemberDAO Java Data Object JDO MemberDAO SOAP envelope Web Service MemberDAO XML (Xindice) XPath
![JDBC Session 5 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/jdbclecture5-091011054654-phpapp02/85/Jdbc-Lecture5-1-320.jpg)
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