Rule Definition
An Entity Bean should always be used by the Bean Class of a Session Bean to reduce network call, to reduce coupling between the client and the implementation of business objects and also to avoid revealing your database structure to unknown application.
Remediation
Use an EJB Session as facade to encapsulate the complexity of interactions.
Reference
http://java.sun.com/blueprints/corej2eepatterns/Patterns/SessionFacade.html
http://www-128.ibm.com/developerworks/java/library/j-ejb1008.html
Related Technologies
Technical Criterion
Architecture - Multi-Layers and Data Access
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