public override void SetValue(TEntity entity, object value)
{
// The base.GetValue gets the entityReference<TEntity> class
var entityReference = base.GetValue(entity) as IEntitySource;
// The The foreign key mapping comes from the value passed to this method
IForeignKeyMapping foreignKeyMapping = (IForeignKeyMapping)value;
var entityReferenceType = foreignKeyMapping.ReferenceKeyProperty.DeclaringType;
// TJT: Clean the EntitySet access up!
var entitySetSource = _entityMapping.Model.DataContext.EntitySets[entityReferenceType];
var referenceKeyName = foreignKeyMapping.ReferenceKeyProperty.Name;
var foreignKeyValue = _entityMapping.GetForeignKey(entity, foreignKeyMapping.PropertyName);
if (!entityReference.HasSource)
{
entityReference.SetSource(entitySetSource, referenceKeyName, foreignKeyValue);
}
else
{
throw new InvalidOperationException("Entity reference source already set.");
}
}
