/// <summary>
/// Constructor
/// </summary>
/// <param name="dataDirectory"></param>
/// <param name="symbol"></param>
/// <param name="timeFrom"></param>
/// <param name="timeTo"></param>
public DucascopyReader(IConfiguration configuration, IFileManager <DucascopySymbol> fileManager, DucascopySymbol symbol, DateTime?timeFrom, DateTime timeTo)
{
_symbol = symbol ?? throw new ArgumentNullException("symbol", "Symbol must be specified");
_configuration = configuration;
_fileManager = fileManager;
_files = new LinkedList <IFile>(fileManager.GetExistingFiles(symbol, timeFrom ?? symbol.StartDate, timeTo).Where(f => f.Time >= timeFrom && f.Time < timeTo));
_fileCurrent = _files.First;
_stream = new DucascopyFileSteam(Path.Combine(configuration.DataPath, _fileCurrent.Value.DestinationFile));
_reader = new DucascopyFileStreamReader(symbol, _fileCurrent.Value.Time, _stream);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="stream"></param>
/// <param name="fileDateTime"></param>
/// <param name="symbol"></param>
public DucascopyFileStreamReader(DucascopySymbol symbol, DateTime fileDateTime, Stream stream)
{
if (stream == null)
{
throw new ArgumentNullException("stream", "Stream must be specified and initialized.");
}
if (stream.CanSeek)
{
stream.Seek(0, SeekOrigin.Begin);
}
_stream = stream;
_symbol = symbol;
_fileDateTime = fileDateTime;
}
public DucascopyReader Create(DucascopySymbol symbol, DateTime?timeFrom, DateTime timeTo)
{
return(new DucascopyReader(_configuration, _fileManager, symbol, timeFrom, timeTo));
}
