February 2002
Beginner to intermediate
544 pages
10h 23m
English
book
Java™ Message Service API Tutorial and Reference: Messaging for the J2EE™ Platform
by Mark Hapner, Rich Burridge, Rahul Sharma, Joseph Fialli, Kim Haase
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6.2. Using Message-Driven Beans
As we noted in Section 1.4 on page 6, the J2EE platform supports a new kind of enterprise bean, the message-driven bean, which allows J2EE applications to process JMS messages asynchronously. Session beans and entity beans allow you to send messages and to receive them synchronously but not asynchronously.
A message-driven bean is a message listener that can reliably consume messages from a queue or a durable subscription. The messages may be sent by any J2EE component—from an application client, another enterprise bean, or a Web component—or from an application or a system that does not use J2EE technology.
Like a message listener in a standalone JMS client, a message-driven bean contains an onMessage method that ...
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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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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.