/// <summary>
/// Opens the <see cref="CSVReaderWriter"/> for reading or writing the data
/// </summary>
/// <param name="csvPath">Path or location of the CSV</param>
/// <param name="mode">Whether to open for reading or writing</param>
public void Open(string csvPath, Mode mode)
{
if (mode == Mode.Read)
{
if (csvReader == null)
{
throw new ApplicationException("CSV reader is null");
}
// In older code, CSVReaderWriter can be opened for read multiple times
// To maintain backward compatibility, close existing opened
// reader, so that it can be reopened.
csvReader.Close();
csvReader.Open(csvPath);
}
else if (mode == Mode.Write)
{
if (csvWriter == null)
{
throw new ApplicationException("CSV writer is null");
}
// In older code, CSVReaderWriter can be opened for write multiple times
// To maintain backward compatibility, close existing opened
// writer, so that it can be reopened.
csvWriter.Close();
csvWriter.Open(csvPath);
}
else
{
throw new Exception("Unknown file mode for " + csvPath);
}
}
public static IObserver <T> ToObserver <T>(this IDataWriter writer)
{
return(System.Reactive.Observer.Create <T>
(
onNext: data => writer.Write(data),
onError: _ => writer.Close(),
onCompleted: () => writer.Close()
));
}
public void Close()
{
_subject.OnCompleted();
_writer.Close();
}