protected override void PreStart()
{
_fileObserver = new FileOberserver(_filePath, Self);
_fileObserver.Start();
_stream = new FileStream(_filePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
_reader = new StreamReader(_stream);
var fileContent = _reader.ReadToEnd();
var message = new InitialReadMessage(_filePath, fileContent);
Self.Tell(message);
}