/// <summary>
/// TBD
/// </summary>
/// <param name="f">TBD</param>
/// <param name="startPosition">TBD</param>
/// <param name="fileMode">TBD</param>
/// <param name="attributes">TBD</param>
/// <param name="shape">TBD</param>
/// <param name="autoFlush"></param>
/// <param name="flushSignaler"></param>
public FileSink(FileInfo f, long startPosition, FileMode fileMode, Attributes attributes, SinkShape <ByteString> shape, bool autoFlush, FlushSignaler flushSignaler) : base(shape)
{
_f = f;
_startPosition = startPosition;
_fileMode = fileMode;
Attributes = attributes;
_autoFlush = autoFlush;
_flushSignaler = flushSignaler;
Label = $"FileSink({f}, {fileMode})";
}
/// <summary>
/// TBD
/// </summary>
/// <param name="f">TBD</param>
/// <param name="completionPromise">TBD</param>
/// <param name="bufferSize">TBD</param>
/// <param name="startPosition">TBD</param>
/// <param name="fileMode">TBD</param>
/// <param name="autoFlush"></param>
/// <param name="flushCommand"></param>
/// <exception cref="ArgumentException">TBD</exception>
/// <returns>TBD</returns>
public static Props Props(
FileInfo f,
TaskCompletionSource <IOResult> completionPromise,
int bufferSize,
long startPosition,
FileMode fileMode,
bool autoFlush = false,
FlushSignaler flushCommand = null)
{
if (bufferSize <= 0)
{
throw new ArgumentException($"bufferSize must be > 0 (was {bufferSize})", nameof(bufferSize));
}
if (startPosition < 0)
{
throw new ArgumentException($"startPosition must be >= 0 (was {startPosition})", nameof(startPosition));
}
return(Actor.Props.Create(() => new FileSubscriber(f, completionPromise, bufferSize, startPosition, fileMode, autoFlush, flushCommand))
.WithDeploy(Deploy.Local));
}
/// <summary>
/// TBD
/// </summary>
/// <param name="f">TBD</param>
/// <param name="completionPromise">TBD</param>
/// <param name="bufferSize">TBD</param>
/// <param name="startPosition">TBD</param>
/// <param name="fileMode">TBD</param>
/// <param name="autoFlush"></param>
/// <param name="flushSignaler"></param>
public FileSubscriber(
FileInfo f,
TaskCompletionSource <IOResult> completionPromise,
int bufferSize,
long startPosition,
FileMode fileMode,
bool autoFlush,
FlushSignaler flushSignaler)
{
_f = f;
_completionPromise = completionPromise;
_startPosition = startPosition;
_fileMode = fileMode;
_autoFlush = autoFlush;
_log = Context.GetLogger();
_requestStrategy = new WatermarkRequestStrategy(highWatermark: bufferSize);
if (flushSignaler != null)
{
flushSignaler.FileSubscriber = Self;
}
}
