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Is registration for notification (OCI) the same as starting a listener?

April 26, 2017listener NOTIFICATION OCI registration

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Is registration for notification (OCI) the same as starting a listener?

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No. Registration is an OCI client call to be used for asynchronous notifications (that is, push). It provides a notification from the server to the client when a message is available for dequeue. A client side function (callback) is invoked by the server when the message is available. Registration for notification is both nonblocking and nonpolling.