See here for how to view the generated xml:
http://wiki.fluentnhibernate.org/Fluent_configuration#Exporting_mappings
On Mon, Feb 15, 2010 at 4:35 AM, David <j.david.w...@gmail.com> wrote:
> 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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