Here is the stackoverflow question:
http://stackoverflow.com/questions/2077785/fluent-nhibernate-automap-subclasses-from-different-assemblies
What I need to do is automap subclasses of my abstract page class. I
need to find them in a list of assemblies that I get a runtime (at the
initialization stage). I don't have any reference to the assemblies
from the assembly of my mappings.
My page class looks something like this:
public abstract class Page : EntityBase
{
public virtual int Id { get; protected set; }
public virtual Page Page { get; set; }
//Other properties
}
My mappings looks like this:
var persistenceModel = new AutoPersistenceModel();
_assemblies.ForEach(x => persistenceModel.AddEntityAssembly(x));
persistenceModel.Setup(x =>
{
x.SubclassStrategy = y => SubclassStrategy.Subclass;
x.DiscriminatorColumn = y => "Type";
})
.IncludeBase(typeof(Page))
.OverrideAll(x => x.IgnoreProperties(y => typeof(Page)
.IsAssignableFrom(y.ReflectedType) && y.ReflectedType != typeof
(Page)))
.Where(y => typeof(EntityBase).IsAssignableFrom(y));
_assemblies is a list of assemblies to search for mappable entities
in. It contains the assembly of my page class as well as one or more
other assemblies that all have a reference to the base assembly (the
one with my page class).
When I add a class that inherits from my page class to the same
assembly as my page class all works fine and its mapped appropriately.
But if I add one to one of the other assemblies that are loaded at
runtime I get problems. I get this error:
"Tried to add many-to-one 'Page' when already added."
It finds the class but for some reason tries to map it as Page or
something. But the page class is already mapped so I get that error.
That is my guess. Does anyone know if I can work around this in any
way? Or know a solution?
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