Пример #1
0
        public static IObservable <T> AttachWriter <T>(this IObservable <T> data, string path, IDataSerializationFactory factory, Type targetDataType, int bufferSize)
        {
            return(Observable.Create <T>(o =>
            {
                var streamWriter = new StreamWriter(path, true, new UTF8Encoding(false));
                var dataWriter = factory.CreateWriterForType(streamWriter, targetDataType);

                var bufferedWriter = new BufferedDataWriter(dataWriter, bufferSize);

                return new CompositeDisposable
                (
                    data.Do(d => bufferedWriter.Write(d))
                    .Finally(bufferedWriter.Close)
                    .Subscribe(o),
                    dataWriter,
                    streamWriter
                );
            }));

            // removed this implementation due to exceptions being raised that the streamWriter was disposed sooner than the dataWriter.
            //return Observable.Using
            //(
            //    () => new StreamWriter(path, true, new UTF8Encoding(false)),
            //    streamWriter => Observable.Using
            //    (
            //        () => factory.CreateWriterForType(streamWriter, targetDataType),
            //        dataWriter => Observable.Using
            //        (
            //            () => new BufferedDataWriter(dataWriter, bufferSize),
            //            bufferedWriter => data.Do(d => bufferedWriter.Write(d))
            //                                  .Finally(bufferedWriter.Close)
            //        )
            //    )
            //);
        }
Пример #2
0
        public IDisposable Connect(IObservableDevice device)
        {
            var writer = new InMemoryDataBufferWriter(device.DeviceType, _buffer, device.DataType);

            var bufferedWriter = new BufferedDataWriter(writer, TimeSpan.FromMilliseconds(_configuration.BufferSize));

            return(new CompositeDisposable
                   (
                       device.Data.Do(d => bufferedWriter.Write(d))
                       .Finally(bufferedWriter.Close)
                       .Subscribe(),
                       bufferedWriter,
                       writer
                   ));

            //return Observable.Using
            //(
            //    () => new InMemoryDataBufferWriter(device.DeviceType, _buffer, device.RecordingDataType),
            //    writer => Observable.Using
            //    (
            //        () => new BufferedDataWriter(writer, TimeSpan.FromMilliseconds(_configuration.BufferSize)),
            //        bufferedWriter => device.Data.Do(d => bufferedWriter.Write(d))
            //                                     .Finally(bufferedWriter.Close)
            //    )
            //).Subscribe();
        }