Thanks Fabio,
I've solved it by adding the following to the mapping:
<import class="Namespace.IDoSomething" rename="IDoSomething"/>
and then doing:
var results = session.CreateQuery("from IDoSomething").List<IDoSomething>();
Is that what you mean by mapping of the base interface as an abstract class,
or there is another way of doing this?
On Sun, Dec 21, 2008 at 7:58 AM, Fabio Maulo <[email protected]> wrote:
> 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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