Java™ Message Service API Tutorial and Reference: Messaging for the J2EE™ Platform

3.5. Message Consumers

A message consumer is an object created by a session and is used for receiving messages sent to a destination. A message consumer allows a JMS client to register interest in a destination with a JMS provider. The JMS provider manages the delivery of messages from a destination to the registered consumers of the destination.

The PTP form of message consumer implements the QueueReceiver interface. The pub/sub form implements the TopicSubscriber interface.

For example, you use a QueueSession to create a receiver for the queue myQueue, and you use a TopicSession to create a subscriber for the topic myTopic:

 QueueReceiver queueReceiver = queueSession.createReceiver(myQueue); TopicSubscriber topicSubscriber = topicSession.createSubscriber(myTopic); ...