Sams Teach Yourself EJB in 21 Days

Designing the Stateless Session Bean

Figure 5.2 shows the design of the SignOn component. The SignOn stateless session bean implements the SessionBean interface. It implements the methods setSessionContext(), ejbCreate(), ejbActivate(), ejbPassivate(), and ejbRemove() as defined in the javax.ejb.SessionBean interface. In addition, it implements the validateUser() method, which accepts the user's login name and password as parameters and returns true if they are valid.

Figure 5.2. SignOn stateless bean design.

We also provide remote interfaces to our stateless session bean. They include a remote home interface (SignOnHome) and a remote interface ...