Chapter 4. Messaging and developing MDBs
This chapter covers
- The basics of message-driven beans (MDBs)
- Sending and receiving messages
- @JMSConnectionFactory annotation
- JMSContext, JMSConsumer, and JMSProducer classes
In this chapter we’ll take a closer look at developing message-driven beans (MDBs). We’ll provide you with an overview of these powerful concepts and show in the context of the ActionBazaar application how they can be used to solve real-world problems. First, we’ll introduce the fundamental concepts of messaging and then you’ll explore the basics of the Java Messaging Service (JMS) by creating a message producer. We’ll then take a look at MDBs and how EJB 3 simplifies the task of building message consumers.
It’s important that ...
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