public override void SetValue(TEntity entity, object value)
{
// The base.GetValue gets the entityReference<TEntity> class
var entityCollection = base.GetValue(entity) as IEntitySource;
// The The foreign key mapping comes from the value passed to this method
IForeignKeyMapping foreignKeyMapping = (IForeignKeyMapping)value;
var entityCollectionType = foreignKeyMapping.ForeignKeyProperty.DeclaringType;
// TJT: Clean the EntitySet access up!
var entitySetSource = _entityMapping.Model.DataContext.EntitySets[entityCollectionType];
var keyName = foreignKeyMapping.ForeignKeyProperty.Name;
var keyValue = _entityMapping.GetColumn(entity, foreignKeyMapping.ReferenceKeyProperty.Name);
if (!entityCollection.HasSource)
{
entityCollection.SetSource(entitySetSource, keyName, keyValue);
}
else
{
throw new InvalidOperationException("Entity reference source already set.");
}
}
public void GetColumn()
{
var mapping = new DataContextMapping <AccessNorthwind>();
mapping.Provider = new ProviderAttribute(typeof(AccessDbProvider));
var categoryMapping = new EntityMapping <Category>();
categoryMapping.TableAttribute = new TableAttribute {
Name = "Categories"
};
categoryMapping.Column(o => o.CategoryID, o => o.PrimaryKey());
categoryMapping.Column(o => o.CategoryName, o => o.NeverUpdateCheck());
categoryMapping.Association(o => o.Products, o => o.Keys("CategoryID", "CategoryID"));
mapping.Add(categoryMapping);
var mappingSource = new FluentMappingSource(o => mapping);
//mappingSource.Add(mapping);
var column = categoryMapping.GetColumn(o => o.CategoryID);
Assert.IsTrue(column.IsPrimaryKey);
}
