Business Tier Patterns
These business tier patterns tackle problems occuring in an application resulting from the presentation tier accessing distributed business services, network performances degradation due to multiple calls between client and server, memory impact due to retrieval of a large list of data, and so on. The patterns demonstrated here focus on and solve design problems occuring in the middle tier of a J2EE application.
Session Facade Design Pattern
Service Locator Design Pattern
Value List Handler Pattern
Presentation Tier Patterns
The presentation tier patterns deal with the common problems occuring in the presentation layer such as - view management and navigation, processing of dynamic business data, efficiently accessing the read-only data, and so on. The patterns under this category focus on and solve design problems occuring in the presentation tier of a J2EE application for example :
Fast Lane Reader Pattern
Data Access Tier Patterns
These data access tier patterns tackles best practices for an application accessing the database or the underlying persistence layer from the business tier. The patterns demonstrated here focus on and solve design problems occurring in the data tier of a J2EE application.
Data Access Object Design Pattern
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