March 2002
Intermediate to advanced
464 pages
8h 51m
English
book
Enterprise JavaBeans™ Component Architecture: Designing and Coding Enterprise Applications
by Gail Anderson, Paul Anderson
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8.3. Designing Message-Driven Beans
Now that we've introduced you to JMS, let's learn about message-driven beans. Simply put, a message-driven bean is an asynchronous consumer of JMS messages. Message-driven beans are stateless, server-side, transaction-aware components that receive messages from a JMS topic or queue. Like stateless session beans, message-driven beans do not store conversational state. They do not have a home or remote interface, nor do they have any business methods.
Figure 8-6 shows how a client interacts with a message-driven bean. When a message is sent from the client to a topic or queue destination in the JMS server, the EJB container fetches a bean instance from the message-driven bean pool. The container reads the message ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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