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Sample application

The following aspects of the results service application are described in Sample application:

• The use of streams other than the default stream.

• Event publications (not retained).

• State publications (retained).

• Wildcard matching of topic strings.

• Multiple publishers on the same topics (event publications only).

• The need to subscribe to a topic before it is published on (event publications).

• A subscriber continuing to be sent publications when that subscriber (not its subscription) is interrupted.

• The use of retained publications to recover state after a subscriber failure.

The application's use of multiple subscription identities on the same subscriber queue is covered in Publisher and subscriber identity, and the following aspects are described in Format of command messages:

• MQRFH format messages.

• MQRFH NameValueString parsing.

• MQRFH broker response message checking.

• Publish, Register Subscriber, Request Update, Delete Publication and Deregister Subscriber command messages.

• Separate user data in Publish messages.

 

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