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"Guaranteed Messaging With JMS"
Vol. 6, Issue 4, p. 24

	






Listing 1

public void onMessage(javax.jms.Message message){
    int count = 1000;
    try{
    // perform some business logic with the message
        ...
        message.acknowledge();
        // perform more business logic with the message
        ...
    }catch (javax.jms.JMSException jmse){
        // catch the exception thrown and undo the results
        // of partial processing
        ...
    }
}




Listing 2

// pub/sub connection creates a transacted TopicSession
javax.jms.TopicSession session =connect.createTopicSession(true,Session.AUTO_ACKNOWLEDGE);
// p2p connection creates a transacted QueueSession
javax.jms.QueueSession =
        connect.createQueueSession(true,Session.AUTO_ACKNOWLEDGE);
            ...
}



  
 
 

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