/// <summary>
/// Append a new transformer to the end.
/// </summary>
/// <returns>The new composite data loader</returns>
public CompositeDataLoader <TSource, TNewLast> AppendTransformer <TNewLast>(TNewLast transformer)
where TNewLast : class, ITransformer
{
Contracts.CheckValue(transformer, nameof(transformer));
return(new CompositeDataLoader <TSource, TNewLast>(Loader, Transformer.Append(transformer)));
}
internal TransformerChain<ITransformer> GetTransformer()
{
var result = new TransformerChain<ITransformer>();
foreach (var transform in _transforms)
{
if (transform.Transform is RowToRowMapperTransform mapper)
{
var transformer = mapper.GetTransformer();
result = result.Append(transformer);
}
else
{
ITransformer transformer = new TransformWrapper(_host, transform.Transform);
result = result.Append(transformer);
}
}
return result;
}