Found it!
DiscriminateSubClassesOnColumn("Type")
.SubClass<SubClassType>(m => m.Map(sc => sc.Name));
Note the changed column name "Name" -> "Type"
On Wed, Mar 11, 2009 at 2:01 PM, Martin Nilsson <mffmar...@gmail.com> wrote:
> Same error if I remove map to superclass Name
>
> public void CreateMap()
> {
> Id(s => s.Id);
>
> //Map(x => x.Name);
> DiscriminateSubClassesOnColumn("Name")
> .SubClass<SubClassType>(m => m.Map(sc => sc.Name));
> }
>
> On Wed, Mar 11, 2009 at 1:48 PM, James Gregory <jagregory....@gmail.com>wrote:
>
>> I don't think you should be mapping Name in the SuperClassTypeMap as well
>> as in the subclasses.
>>
>>
>> On Wed, Mar 11, 2009 at 12:44 PM, Martin Nilsson <mffmar...@gmail.com>wrote:
>>
>>> I'm trying to map the state pattern to NH as this page tells me to do:
>>>
>>> http://www.lostechies.com/blogs/derickbailey/archive/2008/11/26/mapping-a-state-pattern-with-nhibernate.aspx
>>>
>>> But when I'm trying to persist my states I get error:
>>>
>>> "Invalid index 0 for this SqlParameterCollection with Count=0"
>>>
>>> public abstract class SuperClassType
>>> {
>>> public static SuperClassType x = new SubClassType();
>>> public virtual int Id { get; set; }
>>> public virtual string Name { get; set; }
>>>
>>> protected SuperClassType()
>>> {
>>> }
>>>
>>> protected SuperClassType(int id, string name)
>>> {
>>> Id = id;
>>> Name = name;
>>> }
>>> }
>>>
>>> public class SubClassType : SuperClassType
>>> {
>>> internal SubClassType() : base(1, "SubClass")
>>> {
>>> }
>>> }
>>>
>>> public class SuperClassTypeMap : ClassMap<SuperClassType>
>>> {
>>> public SuperClassTypeMap()
>>> {
>>> CreateMap();
>>> }
>>>
>>> public void CreateMap()
>>> {
>>> Id(s => s.Id).GeneratedBy.Assigned();
>>>
>>> Map(x => x.Name);
>>> DiscriminateSubClassesOnColumn("Name")
>>> .SubClass<SubClassType>(m => m.Map(sc => sc.Name));
>>> }
>>> }
>>>
>>> Can anyone please help me?
>>>
>>>
>>>
>>>
>>
>> >>
>>
>
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