I think you can do this without any problems in a BMP but not in CMP.
IMHO you would need a table that maintains user-friends relacionship
and, although some app servers support multitable CMP, it�s not portable.
David Levine wrote:
> Can an entity bean contain a Collection of references to other entity
> beans
> of the same type?
>
> What would the deployment descriptor look like? Especially in the
> relationship area.
>
> For example, here's a Local interface for a CMP 2.0 Entity bean:
>
> public interface UserLocal extends EJBLocalObject {
> public String getId(); // CMP method
> public void setId(String id); // CMP method
> public String getName(); // CMP method
> public void setName(String name); // CMP method
> public Collection getFriends(); // CMP method
> public void setFriends(Collection friends); // CMP method
>
> public void addFriend(UserLocal friend); // business method
> public void removeFriend(UserLocal friend); // business method
> }
>
> Thanks,
> David
>
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