Tag Archives: Interceptors

EJB3 Interceptors

Interceptors are primarily useful is the persuit of seperation of concern. Programming trend is that Concerns such Logging, Transactions, Security are wired or configured as seperate concerns. The concept is generalized under the name AOP or Aspect Oriented Programming. Dedicated tools such as AspectJ, Spring AOP and JBoss AOP help achieve proxying at different levels […]


Message Driven Bean.

EJB Specification also defines provisions for Messaging in the name of Message Driven Beans. Message driven beans are Message Consumers which are annotated @MessageDriven. An ActivationConfigProperty array provides it with key value pairs that provides the bean with properties that it needs to function. Message Selector text is one such an example. As we already […]