You miss the mapping of the base interface as an abstract class.
2008/12/20 Germán Schuager <[email protected]>
> Hi, I need some help using HQL to query all objects that implement a
> specific interface.
>
> I have the following classes:
>
> public class CommonClass
>
> public interface IDoSomething
>
> public class ClassA : CommonClass, IDoSomething
>
> public class ClassB : CommonClass, IDoSomething
>
> public class ClassC : CommonClass
>
> I'm mapping this set of classes using table-per-subclass strategy.
>
> Querying using Criteria API works as expected:
> var results =
> session.CreateCriteria(typeof(IDoSomething)).List<IDoSomething>();
>
> But the following hql query does not work at all:
> var results = session.CreateQuery("from
> Namespace.IDoSomething").List<IDoSomething>();
>
> it throws this exception:
> NHibernate.QueryException : undefined alias or unknown mapping: NHibernate
> [from Namespace.IDoSomething]
>
> Can someone point me what I'm missing here?
>
>
> >
>
--
Fabio Maulo
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