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Chapter 8. Mapping JMS Concepts to the Core API

This chapter describes how JMS destinations are mapped to HornetQ addresses.
HornetQ core is JMS-agnostic. It does not have any concept of a JMS topic. A JMS topic is implemented in core as an address (the topic name) with zero or more queues bound to it. Each queue bound to that address represents a topic subscription. Likewise, a JMS Queue is implemented as an address (the JMS Queue name) with one single queue bound to it which represents the JMS Queue.
By convention, all JMS Queues map to core queues where the core queue name has the string jms.queue. prepended to it. For example, the JMS Queue with the name "orders.europe" would map to the core queue with the name "jms.queue.orders.europe". The address at which the core queue is bound is also given by the core queue name.
For JMS topics the address at which the queues that represent the subscriptions are bound is given by prepending the string "jms.topic." to the name of the JMS Topic. For example the JMS Topic with name "news.europe" would map to the core address "jms.topic.news.europe"
For example, if you send a JMS message to a JMS queue with name "orders.europe" it will get routed on the server to any core queues bound to the address "jms.queue.orders.europe". If you send a JMS message to a JMS topic with name "news.europe" it will get routed on the server to any core queues bound to the address "jms.topic.news.europe".
If you want to configure settings for a JMS Queue with the name "orders.europe", you need to configure the corresponding core queue "jms.queue.orders.europe": 
<!-- expired messages in JMS Queue "orders.europe"
    will be sent to the JMS Queue "expiry.europe" -->
<address-setting match="jms.queue.orders.europe">
   <expiry-address>jms.queue.expiry.europe</expiry-address>
   ...
</address-setting>
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