//internal Identity(M modl)
//{
// //this.modl = modl;
// //var definitions = modl.Modl.Backer.Definitions;
//}
private Identity(object idValue, Definitions definitions, bool isNewId = false)
{
//this.IdValue = idValue;
this.Definitions = definitions;
this.IsNewId = isNewId;
if (Definitions.HasIdProperty && !IsNewId)
this.IdValue = IdConverter.Convert(idValue, true, Definitions.IdProperty.PropertyType);
else
this.IdValue = IdConverter.ConvertToGuid(idValue);
}