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Stateless Session Beans are business objects that do not have state associated with them. The @Stateless annotation is used to mark the class as Stateless Session Bean. Access to a single bean [...]

Introduction Enterprise JavaBeans (EJB) is server-side component model of the Java platform for developing distributed enterprise applications. It enables enterprises develop “secure, scalable, [...]

A remote client of a session bean can be another enterprise bean deployed in the same or different container; or it can be an arbitrary Java program, such as an application, applet, or servlet. [...]

A local client is a client that is in the same JVM with the session bean that provides the local client view. For example, EJB deployed in JBoss container and servlet client deployed in the SAME [...]

Only Stateless session beans and Singleton session beans may have web service clients. To provide a webservice endpoint interface view for the client, the business interface of the bean should be [...]

The EJB 3.0 local client view is based on a plain old java interface (POJI) called a local business interface. A local interface defines the business methods that are exposed to the client and [...]

A business interface cannot be annotated with more than one access type. For example, an interface HelloWorld cannot have both @Local and @Remote annotations. If we want the bean to provide [...]

Stateful Session Beans are business objects having state (values of its instance variables) Because the client interacts (“talks”) with its bean, this state is often called the [...]

The @Stateful annotation is used to mark the class as Stateful Session Bean. This annotation’s specification is as follows. @Target(value=TYPE) @Retention(value=RUNTIME) public @interface [...]

Business Interface Create the bean interface and mark it either as @Remote or @Local. Stateful cannot have web service client view. Remote Interface Local Interface Bean implementation class [...]