The code is essentially:
class ParentClass
{
private int _myProperty;
ParentClass()
{
}
public virtual int MyProperty()
{
get; set;
}
}
class ChildClass : ParentClass
{
ChildClass()
{
int myPropertyValue = base.MyProperty()
}
}
With mapping files similar to:
<class name="ParentClass" table="`ParentClass`" lazy="false">
<id name="Id" access="field.camelcase-underscore">
<column name="id" not-null="true" />
<generator class="identity"/>
</id>
<property name="MyProperty" access="field.camelcase-underscore">
<column name="my_property" not-null="true" />
</property>
</class>
<joined-subclass name="ChildClass" table="`ChildClass`"
extends="ParentClass" lazy="false">
<key column="child_id" foreign-key="parent_id"/>
</joined-subclass>
On Aug 24, 12:58 am, Fabio Maulo <[email protected]> wrote:
> the code please
>
> 2009/8/21 Seth Goldstein <[email protected]>
>
>
>
>
>
> > We have run into a problem with the latest version of NHibernate that
> > has us totally stumped. We have an inherited table schema using
> > joined-subclasses in the mapping file. And the business layer matches
> > this schema. In the constructor of one of the inherited classes, it
> > tries to reference a property on the parent object, but fails with an
> > “object reference not set to an instance of an object” exception. In
> > that code, I am a proxy and it is trying to reference that property
> > fails since the property is on the object itself but not the proxy?
> > This used to work just fine in NHibernate 1.2, but fails since our
> > upgrade to 2.1 GA. Do you have any ideas that might assist us?
> > Thanks a lot for any information you can provide. Will a call stack
> > help? Thanks again!
>
> --
> Fabio Maulo
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