According to this blog post
http://ayende.com/blog/3941/nhibernate-mapping-inheritance
The <subclass> element should be a child of the <class> element for
TablePerHierarchy if I am reading it correctly. However the mapper
below is not doing that:
<class name="Event" table="myapp_Events" abstract="true">
<id name="Id" type="Int32">
<generator class="identity" />
</id>
<discriminator column="type" type="String" />
<many-to-one name="Specimen" />
<property name="Date" />
<property name="Created" />
</class>
<subclass name="Molt" discriminator-value="Molt" extends="Event" />
<subclass name="Feeding" discriminator-value="Feeding"
extends="Event">
<property name="Food" />
</subclass>
On Sep 9, 12:08 pm, Travis <[email protected]> wrote:
> Any examples of mapping using TablePerHierarchy?
>
> I'm having issues trying to get it up and running. Getting
> NHibernate.MappingException: No persister for [SubClass] exceptions. I
> must be doing something wrong:
>
> var mapper = new ConventionModelMapper();
>
> var baseEntityType = typeof(DomainEntity);
> mapper.IsEntity((t, declared) =>
> baseEntityType.IsAssignableFrom(t) && baseEntityType != t && !
> t.IsInterface);
> mapper.IsRootEntity((t, declared) =>
> baseEntityType.Equals(t.BaseType));
>
> mapper.Class<DomainEntity>(map => map.Id(x => x.Id, m =>
> m.Generator(Generators.Identity)));
>
> mapper.Class<Event>(e => e.Discriminator(map =>
> {
>
> map.Column("type");
>
> map.Type(NHibernateUtil.String);
>
> map.NotNullable(true);
> }));
>
> mapper.Subclass<Molt>(x =>
> {
> x.DiscriminatorValue("Molt");
> });
>
> mapper.Subclass<Feeding>(x =>
> {
>
> x.DiscriminatorValue("Feeding");
> });
>
> mapper.BeforeMapClass += (mi, t, map) => map.Table("myapp_" +
> t.Name.MakePlural());
> mapper.BeforeMapBag += (insp, prop, map) =>
> map.Cascade(Cascade.All);
>
> return mapper;
>
> More details on
> SO:http://stackoverflow.com/questions/7351776/nhibernate-conventionmodel...
--
You received this message because you are subscribed to the Google Groups
"nhusers" group.
To post to this group, send email to [email protected].
To unsubscribe from this group, send email to
[email protected].
For more options, visit this group at
http://groups.google.com/group/nhusers?hl=en.
