autopmapping with UseOverridesFromAssemblyOf doesn't call overriding classes of base class - nhibernate

Question

i'm using automapping with fluent nHibernate, very simply, like so:
Fluently.Configure()
.Database(MsSqlConfiguration.MsSql2008
.ConnectionString(c => c
.Server("(local)\\sql2008")
.Database("nHibernate_test")
.TrustedConnection()))
.Mappings(m => m.AutoMappings.Add(
AutoMap.AssemblyOf<Domain.Airport>(cfg)
.UseOverridesFromAssemblyOf<ReaderMappingOverride>()
))
my overriding classes are something like that:
public class ReaderMappingOverride : IAutoMappingOverride<Domain.Reader>
{
public void Override(AutoMapping<Domain.Reader> mapping)
{
//use the reader ID as identifier of the class, instead of the ID field defined in superclass Entity
mapping.IgnoreProperty(r => r.Id);
mapping.Id(r => r.ReaderNumber);
}
}
where Reader is an abstract base-class.
if I use a seperate overriding classes for each sub-class it works OK.
Is there any way to define the overriding for all subclasses of the abstract class?
thanks,
Jhonny

Answer 1

ok, just answered my own question-
my problem was that i was trying to map a heirarchy which started with the Reader class, into a single table. but auto-mapping automatically ignores all abstract classes. what i did was just add this to the configuration section:
.Mappings(m => m.AutoMappings.Add(
AutoMap.AssemblyOf<Domain.Airport>(cfg)
.IncludeBase<Domain.Reader>()
and this to my configuration class
public override bool IsDiscriminated(Type type)
{
//this line indicates that the readers heirarchy should be all in one table, instead of seperate tables for every type of reader
bool ret = type.IsSubclassOf(typeof(Domain.Reader)) || type == typeof(Domain.Reader) ;
return ret;
}
(BTW, the example given in Fluent nHibernate's site uses the method "type.In(..." which does not exist in .net 3.5...)
that worked fine.
hopes this helps...