September 2009
JPA implementation patterns: Service Facades and Data Transfers Objects
In my previous blog on JPA implementation patterns, I touched upon the subject of the DTO and Service Facade patterns. In this blog I will explore why we would even need such patterns and put these patterns and the DAO pattern into the broader context of JPA application architecture.
April 2009
Singletons and lazy loading
Solution au problème de lazy loading d'une classe Singleton.
Initialization on demand holder idiom : http://en.wikipedia.org/wiki/Initialization_on_demand_holder_idiom
January 2008
J2EE[tm] Design Patterns > Design Patterns Catalog
by 2 othersEach pattern in this catalog includes sample code from JavaTM BluePrints reference applications such as the Java Pet Store sample application.
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