[JMS.ppt

JMS Sessions A session is a single-threaded context for producing and consuming messages. You use sessions to create the following: Message producers Message consumers Messages …… Sessions implement the Session interface. After you create a Connection object, you use it to create a Session: Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE); //The first argument means that the session is not transacted; the second means that the session automatically acknowledges messages when they have been received successfully. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. JMS Message Producers A message producer is an object that is created by a session and used for sending messages to a destination. It implements the MessageProducer interface. You use a Session to create a MessageProducer for a destination. MessageProducer producer = session.createProducer(queue); MessageProducer producer = session.createProducer(topic); After you have created a message producer, you can use it to send messages by using the send method: producer.send(message); //You must first create the messages. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. JMS Message Consumers A message consumer is an object that is created by a session and used for receiving messages sent to a destination. It implements the MessageConsumer interface. MessageConsumer consumer = session.createConsumer(queue); MessageConsumer consumer = session.createConsumer(topic); After you have created a message consumer, it becomes active, and you can use it to receive messages. Message delivery does not begin until you start the connection you created by calling its sta