[jboss-dev-forums] [Design of JBoss ESB] - Providers vs. Listeners and Configuration

[bsheward]

Can anyone summarize what is the difference between a provider and a listener? Am I right thinking that providers are global with the ESB, whereas listeners are "local" to a service, and tie the provider with the service?

Why would a particular configuration exist in one, but not the other? For example, In SQL, the provider seems to define the sql-message-filter, and the listener defines the number of threads. Why not the other way around?

Finally, why are some configuration properties defined using  and others are attributes of the <xxx-listener> element? For example, I define my poll-frequency-seconds in <fs-listener>, but need to define my composer-class and composer-process in a .


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