I'm trying to use ReferencesAny() to map a polymorphic property.
public class Payment
{
public virtual PaymentDetails PaymentDetails { get; set; }
}
I'm using auto-mapping with a mapping override defined as follows:
mapping.ReferencesAny(x => x.PaymentDetails)
.EntityTypeColumn("PaymentMethodID")
.EntityIdentifierColumn("PaymentDetailID")
.IdentityType<int>()
.AddMetaValue<PaymentDetailsCreditCardEGate>("1")
.AddMetaValue<PaymentDetailsCreditCardEftPos>("2")
.AddMetaValue<PaymentDetailsCash>("3")
.AddMetaValue<PaymentDetailsMoneyOrder>("4")
// etc
.Cascade.SaveUpdate();
PaymentDetails is an empty base class (I'd originally tried using an
IPaymentDetails interface, but read that this was advised against)
from which PaymentDetailsCreditCardEGate,
PaymentDetailsCreditCardEftPos, etc inherit.
With the above mappings, I get the following exception:
NHibernate.MappingException: Duplicate property mapping of
PaymentDetails found in Xtend.Core.Payments.Payment
I can't see where the duplicate mapping would be coming from. I did
wonder if there was a problem with the base class not being mapped to
a table, but if I add the following:
mappings.IgnoreBase<PaymentDetails>();
then I get the following exception:
NHibernate.MappingException: An association from the table Payments
refers to an unmapped class: Xtend.Core.PaymentDetails
Can anyone see where I'm going wrong? Is there anyway of inspecting
the xml that Fluent NHibernate is trying to generate?
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