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A Message-Driven Bean Example

Dale Green and Kim Haase

Since message-driven beans are based on the Java Message Service (JMS) technology, to understand the example in this chapter you should already be familiar with basic JMS concepts such as queues and messages. The best place to learn about these concepts is the Java Message Service Tutorial:

http://java.sun.com/products/jms/tutorial/index.html
 

This chapter describes the source code of a simple message-driven bean example. Before proceeding, you should read the basic conceptual information in the section What Is a Message-Driven Bean?.

In This Chapter

Example Application Overview
The J2EE Application Client
The Message-Driven Bean Class
The onMessage Method
The ejbCreate and ejbRemove Methods
Running the SimpleMessageEJB Example
Starting the J2EE Server
Creating the Queue
Deploying the Application
Running the Client
Deploytool Tips for Message-Driven Beans
Specifying the Bean's Type and Transaction Management
Setting the Message-Driven Bean's Characteristics
Deploytool Tips for JMS Clients
Setting the Resource References
Setting the Resource Environment References
Specifying the JNDI Names
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