Where is the best place to learn about the ICollectionTypeFactory?
On Oct 23, 8:26 pm, Fabio Maulo <[email protected]> wrote:
> The way is not IUserCollectionType but ICollectionTypeFactory
>
> 2009/10/22 Matt Mangold <[email protected]>
>
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> > My domain objects support custom fields that are stored in such a way
> > that requires metadata and logic to be applied before their values can
> > be stored and retrieved.
>
> > I already have a Custom Field Repository that handles the persistence
> > of custom fields, and I don't want to try to recreate that logic in
> > NHibernate mappings.
>
> > I would however like to support lazy loading of my custom fields. It
> > would be nice if I could somehow trick the proxy into calling my
> > dedicated repository for loading and saving rather than going through
> > the NHibernate engine.
>
> > One way I solved this problem was to implement an interceptor which
> > worked, but I took a performance hit when loading large amounts of
> > data, because the dedicated repository was called each time an entity
> > was loaded. It would be nice instead, if those calls to load custom
> > fields were done lazily! From what I understand lazy loading cannot be
> > done in an interceptor.
>
> > I have looked into implementing a custom user type (IUserType and
> > IUserCollectionType), but the documentation is very limited, and I
> > want to learn if it is even possible to do what I want before I go
> > down the path of trying.
>
> > Here is an example of one of my domain objects:
>
> > public class ContactEntity : ICustomFieldContainer
> > {
> > public long ContactId { get; set; }
> > public String FirstName { get; set; }
> > public String LastName { get; set; }
>
> > #region ICustomFieldContainer Members
> > public List<CustomFieldEntity> CustomFields { get; set; }
> > #endregion
> > }
>
> --
> Fabio Maulo- Hide quoted text -
>
> - Show quoted text -
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