Hi,

I posted the following to the nhusers group as well, at
http://groups.google.com/group/nhusers/browse_thread/thread/ab409f999e909106

Maybe any of you guys have a definite answer on this:

I have the following class inheritance hierarchy:
public class A {}
public class B : A {}
public class C : B {}
public class D : B {}
In the database I have tables A, B, C, D where:
- B has a foreign key relationship to A;
- C and D have foreign key relationships to B;
Both foreign key relationships are established using the PK field of
the tables(PK field type is Decimal).
On top of that, both base classes contain a discriminator column that
indicates the inheritor type.
Question: is this mapping scenario possible in NHibernate(table per
subclass, using the mentioned class inheritance hierarchy)?
If the answer is yes, how should the XML mapping file look like? Are
nested <joined-subclass /> elements allowed/supported?

Thanks in advance,
Dragos

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