public ToFileValueStreamNode(string name, ToTextDataStreamArgs <TIn, TRow> args) : base(name, args)
{
_serialize = args.Mapping.GetSerializer();
_streamWriter = FileValueWriter.Create(new FlatFileValueMetadata
{
Map = _serialize.GetTextMapping(),
ExtraMetadata = args.Metadata,
Destinations = args.Destinations,
}, args.FileName, args.Encoding ?? Encoding.Default, 1024);
_streamWriter.WriteLine(args.Mapping.GenerateDefaultHeaderLine());
}
protected override ISingleStream <IFileValue> CreateOutputStream(ToTextDataStreamArgs <TIn, TRow> args)
{
var obs = args.MainStream.Observable.Do(ProcessValueToOutput).Completed().Map(i => _streamWriter);
return(CreateSingleStream(obs));
}
