protected override TStream CreateOutputStream(ToFlatFileArgs <TIn, TStream> args)
{
var firstStreamWriter = args.TargetStream.Observable.First().Do(i => PreProcess(i, args.Mapping)).DelayTillEndOfStream();
var obs = args.MainStream.Observable
.CombineWithLatest(firstStreamWriter, (i, r) => { ProcessValueToOutput(r, args.Mapping, i); return(i); }, true);
return(CreateMatchingStream(obs, args.MainStream));
}
public ToFlatFileStreamNode(string name, ToFlatFileArgs <TIn> args) : base(name, args)
{
_stream = new MemoryStream();
_streamWriter = new StreamWriter(_stream, Encoding.Default, 1024, true);
this.ExecutionContext.AddDisposable(_streamWriter);
_streamWriter.WriteLine(args.Mapping.GenerateDefaultHeaderLine());
_serialize = args.Mapping.GetSerializer();
}
protected override IStream <Stream> CreateOutputStream(ToFlatFileArgs <TIn> args)
{
var obs = args.MainStream.Observable.Do(ProcessValueToOutput).Last().Map(i =>
{
// _streamWriter.Dispose();
return(_stream);
});
return(CreateUnsortedStream(obs));
}
public ToFlatFileStreamNode(string name, ToFlatFileArgs <TIn, TStream> args) : base(name, args)
{
_serialize = args.Mapping.GetSerializer();
}