I see and I totally agree, thanks for your time
On Nov 1, 8:38 pm, Asbjørn Ulsberg <asbjo...@gmail.com> wrote:
> As far as I can understand, what you want is not component mapping. A
> component will look like its own object in your domain model, but will be
> stored along with the entity it's defined on, in the same table.
>
> So if you have a Person with an Address component, you'll have
> AddressStreet, AddressCity, etc., columns in your Person table. Since what
> you want is "implicit" columns, or "vertical" columns, you really need a
> separate entity with its own table to store all those dynamic values.
>
> That other table could very well be "Detail" as you have mapped it now,
> but it's not a component. You would need to "distillate" all values stored
> in Details as properties on all subclasses of Item and ignore those
> properties so NHibernate doesn't try to save them.
>
> You'd probably be wise to create a convention for all subclasses of Item
> so they all map to the same Item table, since that's the only table you'd
> need for this kind of dictionary-based property storage.
>
> -Asbjørn
>
> On Mon, 01 Nov 2010 20:27:58 +0100, marcus <mar...@meridium.se> wrote:
> > In short my abstract Detail class looks like this
>
> > public abstract class Detail {
> > [AutoMap]
> > public virtual int Id { get; private set; }
> > [AutoMap]
> > public virtual string Name { get; set; }
> > [AutoMap]
> > public virtual string StringValue { get; set; }
>
> > public abstract object Value { get; set; }
> > public abstract Type ValueType { get; }
>
> > public static Detail New(PageItem item, string name, object
> > value) {
> > var t = value.GetType();
> > if (t == typeof(string))
> > return new StringDetail(name, (string)value);
> > return null;
> > }
>
> > .. and my details is mapped like this
>
> > .Override<Item>(map => map.HasMany(x =>
> > x.Details).DictionaryKey("Name").OneToMany())
>
> > Yes maybe that is one solution but I felt that the component map
> > thingy almost works out of the box.
>
> > On Nov 1, 8:06 pm, Asbjørn Ulsberg <asbjo...@gmail.com> wrote:
> >> How does the Detail class look like? Is it a mapped entity? How are you
> >> mapping the Item.Details property?
>
> >> If you want Person.Address to just reflect the value of
> >> Details["address"], you should just ignore the property in PersonMap
> >> and instead implement it like this:
>
> >> public class Person : Item {
> >> public virtual Address Address {
> >> get { return new Address(Details["address"]); }
> >> }
> >> }
>
> >> -Asbjørn
>
> >> On Sun, 31 Oct 2010 23:52:34 +0100, marcus <mar...@meridium.se> wrote:
> >> > A simplified view of my classes looks like this
>
> >> > public class Item {
> >> > public virtual int? Id {get;set;}
> >> > public virtual string Name {get;set;}
> >> > public virtual IDictionary<string,Detail> Details {get;set;}
> >> > public Item() {
> >> > Details = new Dictionary<string,Detail>();
> >> > }
> >> > }
>
> >> > Details is a dynamic way of adding properties to my entitys for
> >> > instance if you in another class adds public virtual string Text
> >> > {get;set;} i have an interceptor that fetches to value from the
> >> > Details collection with the name Text.
> >> > My Details is located in another table and one item can have many
> >> > details of different types.
> >> > Now I would like to have support for components in my entitys, so for
> >> > instance if I create a new class that inherits Item
>
> >> > public class Person : Item {
> >> > public virtual Address {get;set;}
> >> > }
> >> > public class Address {
> >> > public virtual string Street {get;set;}
> >> > }
>
> >> > so when I try the fetch the street property from my address component
> >> > I would like to get the value from my Details collection or my Details
> >> > table. Maybe this is not an FNH question or maybe it is?
>
> >> > On Oct 24, 4:37 am, Paul Batum <paul.ba...@gmail.com> wrote:
> >> >> You are going to have to elaborate, because in most cases,
> >> components >> are
> >> >> used when you want some columns in the SAME table pushed down onto a
> >> >> different object. I know there are exceptions to this but they are
> >> >> obscure
> >> >> enough that its hard to understand exactly what you are trying to do.
>
> >> >> On Sat, Oct 23, 2010 at 5:44 AM, marcus <mar...@meridium.se> wrote:
> >> >> > Is it possible to automap components to another table? If so, how
> >> can
> >> >> > I do it?
>
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