The basic building blocks of any JMS application consist of the following:
Administered objects—connection factories and destinations
Connections
Sessions
Message producers
Message consumers
Messages
Let's take a closer look at them:
Connection factory: This object encapsulates a set of connection configuration parameters that have been defined by an administrator. A client uses it to create a connection with a JMS provider. A connection factory hides provider-specific details from JMS clients and abstracts administrative information into objects in the Java programming language.
Destination: This is the component a client uses to specify the target of messages it produces and the source of messages it consumes. In the point-to-point (PTP) messaging domain, destinations are called queues; in the publish/subscribe (pub/sub) messaging domain, destinations are called topics.
Connection: This encapsulates a virtual connection with a JMS provider. A connection could represent...