Hi Edson thanks for your reply. I'm still stuck :-(
Edson Carlos Ericksson Richter wrote:
I changed it. No difference!I've the two situation in my project. I have a documents table table has a fixed structure to all types of documents, and I have different tables for different objects, in another (a payment structure).
All that works. I think you must specify that your interfaces extends others. The java.io.Serializable ins't necessary to work with OJB (but you may need it to work with another tech).
But see. If you make AbstractPersistentIF extends java.io.Seralizable, all your interfaces (since they will extends AbstractPersistentIF) will be subclasses of java.io.Seralizable.
The problem is, that the proxy-instance get the wrong interfaces for the class in question.
see eclipse "watch-expression" after this code:
[code]:
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);
}[watch-expression]:
Class[] "Class[] test = partner.getClass().getInterfaces();"= Class[4] (id=175)
Class [0]= Class (de.softcon.webcontrol.business.model.PersonIF) (id=106)
Class [1]= Class (de.softcon.webcontrol.business.model.AbstractPersistentIF) (id=94)
Class [2]= Class (java.io.Serializable) (id=95)
Class [3]= Class (de.softcon.webcontrol.business.model.PartnerIF) (id=107)
-----------snip----------
As you can see, the proxy doesn't show the expected interface "OrganisationIF".
(The field "id" has a table-field value of an OrganisationPO (I know this is OK, because
before used proxies, this has been OK)
joerg
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