Hi there,
I am trying to get started with EJB3 and Seam and have a question regarding
remote and local interfaces. It seems to define a stateful bean I have to do
something along this lines:
@Local
public interface Foo
{
...
}
@Stateful
public class FooBean implements Foo
{
...
}
I have to specify and interface which I annoate with @Local and then I need an
actual bean implementation which I annoate with @Stateful. However, I thought
that in EJB3 I don't need interfaces anymore. I hoped to be able to annoate a
simple POJO. I recall reading somewhere that if eg I annotate a POJO as
Stateful with no other annotation per default all public methods become part of
the business interface. If I try to put the @Local annotation on FooBean itself
removing the 'implements Foo' I get
java.lang.RuntimeException: bean class has no local, webservice, or remote
interfaces defined and does not implement at least one business interface
Why are these interfaces still required. I could imagine something like this
@Stateful
public class FooBean implements Foo
{
@LocalMethod
public void foo();
@LocalMethod
@RemoteMethod
public void bar();
}
Why can I not annotate in a simple POJO which of my methods are exposed in the
local/remote business interface. Of course I realize how much simpler EJB3 had
become compared to EJB2, but without beeing able to annotate the buisness
interface in the actual POJO it seems to be a half hearted apporach.
Am I missing something?
--Hardy
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