Bean Class @AroundInvoke Methods
This chapter has mostly discussed interceptor classes. @AroundInvoke methods can also exist inside EJB bean classes. When used inside a bean class, the @AroundInvoke method will be the last "interceptor" to be invoked before the actual bean method:
@Stateless
public class MySessionBean implements MySessionRemote {
public void businessMethod( ) {
...
}
@AroundInvoke
public Object beanClassInterceptor(InvocationContext ctx) {
try {
System.out.println("entering: " + ctx.getMethod( ));
return ctx.proceed( );
} finally {
System.out.println("leaving: " + ctx.getMethod( ));
}
}
}
This is a simple example of a bean class @AroundInvoke method. For what sorts of things would you want to use it? You may want to have a dynamic implementation of your bean class, or you may have an interceptor whose logic is specific to the bean.
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