Messaging becomes the obvious choice because of its inherent asynchronous nature and strong integration with J2EE application servers via JMS (Java Message Service) and message-driven beans (MDBs).

A Message-Driven Bean, or MDB, implements business process logic in response to receipt of an asynchronous message through the Java Messaging Service (JMS). Click here to know more…!

Message-driven beans never involved the concept of a home and a remote, or local, interface. In EJB 3.0, the MessageDriven annotation is used to mark and specify a message-driven bean.

This fourth installment of Monson-Haefel's Guide to Enterprise JavaBeans describes the EJB Timer Service API, its use with entity, stateless session, and message-driven beans, and provides some ...