November 2005
Intermediate to advanced
896 pages
31h 5m
English
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Elements of Messaging with JMS
The principal players in a JMS system are messaging clients, message destinations, and a JMS-compatible messaging provider .
Messaging clients produce and consume messages. Typically, messaging takes place asynchronously; a client produces a message and sends it to a message destination, and some time later another client receives the message. Message clients can be implemented using JMS, or they can use a native messaging API to participate in the messaging system. If a native message client (e.g., a client using the native IBM MQ Series APIs) produces a message to a message destination, a JMS connection to the native message system is responsible for retrieving the message, converting it into the appropriate JMS message representation, and delivering it to any relevant JMS-based clients.
Message destinations are places to and from which JMS clients send and receive messages. Message destinations are created within a JMS provider that manages all of the administrative and runtime functions of the messaging system. At a minimum, a JMS provider allows you to specify a network address for a destination, allowing clients to find the destination on the network. But providers may also support other administrative options on destinations, such as persistence options, resource limits, and the like.
Messaging Styles: Point-to-Point and Publish-Subscribe
Generally speaking, asynchronous messaging usually comes in two flavors: a message can be addressed ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.