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By John G. Sanderson (auth.)

ISBN-10: 3540099875

ISBN-13: 9783540099871

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For the interested reader, I would like to suggest to you, only as an exercise, to think of how to code the message storing using your preferred RDBMS, or even modify the method we implemented to store the messages on a text file. MessageConsumer messageConsumer = session. TextMessage messageReceived = (TextMessage)messageConsumer. info Getting Started with HornetQ As you can see, the code is somewhat similar to the produceMessage method. On the same session object and the same queue that we used to produce the message, we consume it.

Go to the line set HORNETQ_HOME=.. and substitute the double dots with the full HORNETQ_ROOT folder without the final "\". 3. jar) do (. bat from outside the HORNETQ_ROOT\bin folder, you should see the server correctly started. bat from outside the HORNETQ_ROOT\ bin, the logfiles are not created in the logs folder of the HORNETQ_ROOT directory. The same thing happens for the data folder. To avoid this problem, you should set the full path to the logs and data folder into the corresponding files.

We will now describe the methods of the Java class that reflect the flow of the messages in our example. The next coding steps involve the implementation of these methods. java; once created, we will call the following methods: • getInitialContext: This method will initialize the properties that will identify the HornetQ server and queue • connectAndCreateSession: This method is used for creating a shared connection and session from both the producer of the message and the consumer of the message • produceMessage: A JMS message will be produced in this method and put on the queue • consumeMessage: This method will read the message just stored, and by connecting to MongoDB, store it in the database • closeConnection: In the end, this method does a clean closing of the resources used Before entering the coding phase, we need to set up Eclipse to be able to deal with all the HornetQ API that are needed from ECGMessageProducerConsumerExample.

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A Relational Theory of Computing by John G. Sanderson (auth.)

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