I don't agree with this explanation. There is no problem with initial
design. For example-
BaseHome is the base interface for InheritedHome1 and InheritedHome2.
Whenever you receive an instance of InheritedHome1/2, it is legal to type
cast it into BaseHome.
-Anurag
>From: Prateek Asthana <[EMAIL PROTECTED]>
>Reply-To: A mailing list for Enterprise JavaBeans development
><[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED]
>Subject: Re: polymorphism implementations with beans. would it work ?
>Date: Tue, 22 Feb 2000 02:40:06 +0530
>
>Hed,
> What I have got from ur mail is U are creating a remote interface X
>which is inheriting from another remote interface Y.
> Now i guess u are also inheriting the home interface X from home
>interface Y. Now once u are inheriting u cannot override the function
>signatures of create() belonging to home interfaceY in home interface X. So
>ur
>home interface X consists of its own defined create functions and also the
>ones
>inherited from home interface Y. The home interface Y consists of create
>functions returning reference to remote interface Y. Becoz of the home
>interface Y consisting of create functions returning reference to remote
>interface Y this model work not work, the bean will not even get deployed.
>So
>there is no quetion of type casting at all arising if bean itself is not
>getting deployed. In short u can inherit remote interfaces but dont try to
>inherit from home interfaces returning ref. to another type of remote
>interface.
>If u find any other thing in this regard then pl. inform me.
>
>Prateek.
>
>Hed Bar-Nissan wrote:
>
> > i want to have polymorphism with beans.
> >
> > for that i have two beans which their remote interfaces extends a base
> > interface.
> > ( i hope this would work fine. tried with a test demo and it worked o.k
> > my problem is with the creation of the home interface )
> >
> > Another problem is with the creation of the home.
> > A home = (A) obj;
> > after creation i have to do a casting to an interface that all
> > homeinterfaces extends which contain the ceate().
> >
> > would that work as well?
> > any pitfalls ?
> > is everything i do legal ?
> >
> > hed
> >
> >
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