I think I figured it out.
I had:
public class Contact : IEntityWithTypeId<Guid>
{
...
public virtual Url PictureUrl { get; set; } // DB column has the
same name
...
}
But I'm supposed to have:
public virtual Uri PictureUrl (not Url PictureUrl). If I understand
correctly, the Url : IUserType is not supposed to be used as the
object type in my Contact class. It's only meant to tell NH how to map
Uri to a string in the DB. I'll rename my classes accordingly.
On Jul 21, 4:05 pm, Chris Fazeli <[email protected]> wrote:
> Hi,
>
> I am trying to use Jakob Andersen's URI custom UserType in my
> application:http://intellect.dk/post/Implementing-custom-types-in-nHibernate.aspx
>
> I have read these two
> posts:http://wiki.fluentnhibernate.org/show/AutoMappingTypeConventionshttp://groups.google.com/group/fluent-nhibernate/browse_thread/thread...
>
> Yet, I cannot get this to work. I don't need the Url to map to a
> specific column in a specific table. I just want the Automapper to
> decipher all Url types to Db.String type whenever it sees property
> names that match in the model and DB table. According to the Wiki
> pages, I shouldn't even have to override the UserTypeConvention<Url>?
> I did just for completeness.
>
> I have:
> namespace MyProject.Core.CustomTypes { public class Url :
> IUserType ... }
>
> namespace MyProject.Data.NHibernateMaps.Conventions
> {
> public class UrlTypeConvention : UserTypeConvention<Url>
> {
> public override void Apply(IProperty target)
> {
> base.Apply(target);
> }
> }
>
> }
>
> private Action<IConventionFinder> GetConventions()
> {
> return c =>
> {
> c.Add<PrimaryKeyConvention>();
> ...
> c.Add<UrlTypeConvention>();
> };
>
> }
>
> public class Contact : IEntityWithTypeId<Guid>
> {
> ...
> public virtual Url PictureUrl { get; set; } // DB column has the
> same name
> ...
>
> }
>
> But everytime I run my test to confirm the DB matches the mappings,
> the tests fail to run because the project can't initialize, with the
> error:
> An association from the table Contacts refers to an unmapped class:
> MyProject.Core.CustomTypes.Url
>
> I can fix this by creating a mapping override for my Contact entity,
> but this seems cumbersome.
>
> Any ideas what I'm doing wrong?
>
> Cheers,
> - Chris
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