An bean returning another bean

[Guillaume Rousse]

I've got a design problem with a bean returning another bean (of the same type
moreover, but i don't think it's the problem).
Here's my taxon.java :
public interface Taxon extends EJBObject {
   ...
   public Taxon getParentTaxon() throws RemoteException;
   public Set getChildTaxons() throws RemoteException;
}

And some of my taxonbean.java :
public class TaxonBean implements EntityBean {

    ...
    public TaxonBean parentTaxon;
    public Set childTaxons;

    public Taxon getParentTaxon() throws RemoteException {
        return parentTaxon;
    }
    
    public Set getChildTaxons() {
      return childTaxons;
    }

}
Here's the problem : must i use taxon or taxonbean for parent and child in my
taxonbean class ?
If i use taxon, i don't have access to taxonbean classes not part of the
interface. If i use taxonbean, how to cast then to taxon before returning ?

Thanks for your help
-- 
Guillaume Rousse

Iremia - Universit� de la R�union
15 avenue Ren� Cassin, BP 7151
97715 Saint Denis, messagerie cedex 9
Tel:0262938330 Fax:0262938260 ICQ:10756815

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