JMS Unified Messaging Domain Model

Throughout this chapter, we have mentioned the fact that the core JMS API abstractions can now be used to support both the point-to-point queuing and publish-subscribe messaging models. Indeed, this unified messaging domain model is a feature new to JMS v1.1 and part of J2EE v1.4. In fact, the JMS v1.1 specification indicates that you should generally code JMS applications using this new unified model. The specification even hints that the JMS APIs that are specific to point-to-point queuing and publish-subscribe messaging might be deprecated in a future JMS specification version. Regardless, the domain-specific JMS APIs will still be used for some time because many legacy JMS-based applications already exist ...

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