[jboss-dev-forums] [Design of EJB 3.0] - Re: EJBTHREE-1062 and metadata

[ALRubinger]

"emuckenhuber" wrote : 1) In this case we have MyStatefulBean -> MyStatefulHome -> MyStateful.
  | As we define a RemoteHome, the MyStateful interface must extend the EJBObject?

Yes.  Because Home interfaces must return local/remote interfaces, and local/remote must extend EJBLocalObject/EJBObject.

"emuckenhuber" wrote : 2) then we have 4.6.6 where they say: The interface must not extend the javax.ejb.EJBObject or javax.ejb.EJBLocalObject interface.
  | Which more or less means that a business interface can't be a Session Bean's Local or Remote Interface? 

Let's draw up some definitions first, because the wording in the spec is a little tricky.

* Business Interface - The EJB3 View, may be local or remote, and is denoted by the corresponding @Local and @Remote annotations.

* Remote Interface - The EJB2.x View, must extend from EJBObject, may only be obtained via the return of a create{METHOD} method of a Home interface (for SFSB) or the "create" method of a Home interface (for SLSB).  See Spec 3.6.2.

So in regards to 4.6.6, they're talking only about *Business* interfaces, yes, saying that a business interface cannot also be a remote/local interface.

My solution to these tests is to make:

public interface MyStatefulRemote extends EJBObject{...}
  | 
  | public interface MyStatefulRemoteBusiness{...}
  | 
  | public interface MyStatefulRemoteHome extends EJBHome{
  |   public MyStatefulRemote create() throws CreateException, RemoteException;
  | }
  | 
  | @Stateful
  | @RemoteHome(MyStatefulRemoteHome.class)
  | @Remote(MyStatefulRemoteBusiness.class)
  | public class MyStatefulBean implements MyStatefulRemoteBusiness{...}

S,
ALR

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