Chapter 20. Developing EJBs with WSAD

Up to now you've seen how EJBs are structured and how the J2EE technology makes use of them. Now we are ready to give an explanation of how EJBs are created within WSAD. We will begin by looking at creating and using session beans which fall within the domain layer as shown in Figure 20.1. Before we delve into the details of how this is accomplished, we will provide a foundation of how the WSAD environment operates in connection with EJBs and other J2EE artifacts.

Session beans within the road map.

Figure 20.1. Session beans within the road map.

The J2EE Perspective

Before you begin building EJBs, it is necessary to understand the environment in ...

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