Apama Documentation : Connecting Apama Applications to External Components : Standard Connectivity Plug-ins : The Universal Messaging Transport Connectivity Plug-in : Overview of using Universal Messaging in Apama applications : Using Universal Messaging channels instead of configuring adapter connections
Using Universal Messaging channels instead of configuring adapter connections
In an Apama application, you can use Universal Messaging as the communication mechanism between an adapter and one or more correlators. If you do, then keep in mind the following:
*Adapters must send events on named channels. Adapters cannot use the default (empty string) channel.
*A service monitor that communicates with an adapter should either be run on only one correlator, or be correctly designed to use multiple correlators. See Considerations for using Universal Messaging channels.
When an adapter needs to communicate with only one correlator, which is often the case for a service monitor, an Apama channel might be a better choice than a Universal Messaging channel. However, even in this situation, it is possible and might be preferable to use a Universal Messaging channel. See Comparison of Apama channels and Universal Messaging channels.
See also: Configuring IAF adapters to use Universal Messaging.
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