Enterprise JavaBeans 2.0 Support
EJB 2.0 introduces new features for EJB invocation and management. The following key EJB 2.0 features are provided by WAS V5.
Message Driven Beans (MDB)
A Message Driven Bean is a third type of EJB defined by the EJB 2.0 specification. In addition to session and entity EJBs, MDBs provide a means for a process to invoke the function of an EJB running in a different process and most likely on a different server. Unlike session or entity EJBs, MDBs are invoked by sending messages to the MDBs; there is no “home” or “remote” interface associated with an MDB. The Java Message Service (JMS) API is used to accomplish the MDB invocation. A client can direct a JMS message to an EJB 2.0 node where it is processed by an MDB. ...
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