Chapter 2. OpenWire ActiveMQ Client APIs

Abstract

OpenWire is a cross language Wire Protocol that allows native access to ActiveMQ from different languages and platforms. It provides higher performance and reduced network bandwidth.

2.1. General Approach to Establishing a Connection

Steps to establish a connection

Regardless of the API in use, the pattern for establishing a connection between a messaging client and a message broker is the same. You must:
  1. Get an instance of the Red Hat JBoss A-MQ connection factory.
    Depending on the environment, the application can create a new instance of the connection factory or use JNDI, or another mechanism, to look up the connection factory.
  2. Use the connection factory to create a connection.
  3. Get an instance of the destination used for sending or receiving messages.
    Destinations are administered objects that are typically created by the broker. The JBoss A-MQ allows clients to create destinations on-demand. You can also look up destinations using JNDI or another mechanism.
  4. Use the connection to create a session.
    The session is the factory for creating producers and consumers. The session also is a factory for creating messages.
  5. Use the session to create the message consumer or message producer.
  6. Start the connection.
Note
You can add configuration information when creating connections and destinations.