dynamci Proxy: ClassCastException with Interfaces

[Joerg Lensing]

hi all,

I'm using dynamic proxies for these classes

look at this Interface/class-hierarchy:

AbstractPersistentIF
   |_PartnerIF
       |_OrganisationIF
       |_PersonIF
(PO: persistent/mapped objects)
AbstractPersistentPO
   |_PartnerPO
       |_OrganisationPO
       |_PersonPO
if i   query an organisation:
---- snip--------
   public PartnerIF getPartnerByOID(int pOID,Transaction tx) {
       // obtain a broker instance from the current transaction
       HasBroker hasBroker = (HasBroker) tx;
       PersistenceBroker broker = hasBroker.getBroker();
       Criteria crit = new Criteria();
       crit.addEqualTo("id", new Integer(pOID));

       Query query = new QueryByCriteria(PartnerPO.class, crit);

       PartnerIF partner = (PartnerIF)broker.getObjectByQuery(query);

       if (broker.hasClassDescriptor(partner.getClass())) {

           tx.lock(partner, org.odmg.Transaction.READ);
       }
       return partner;
   }
----snip
if i test the implemented interfaces for the queried class
(-->partner.getClass().getIntefaces();), it doesn't show the right
implemented interface. The class shoud show OrganisationIF, but shows
PersonIF as being implemented by this class
who can help?

tx joerg







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