AlarmWorkflow.AlarmSource.Fax.FaxAlarmSource.IAlarmSource C# (CSharp) Метод

        void IAlarmSource.RunThread()
        {
            var intervalLogger = new ExceptionIntervalLogger(TimeSpan.FromMinutes(10));
            while (true)
            {
                try
                {
                    //.tif or .pdf
                    FileInfo[] files = _faxPath.GetFiles("*.*", SearchOption.TopDirectoryOnly)
                                .Where(_ => _.Name.EndsWith(".tif", StringComparison.InvariantCultureIgnoreCase) || _.Name.EndsWith(".pdf", StringComparison.InvariantCultureIgnoreCase))
                                .ToArray();

                    if (files.Length > 0)
                    {
                        Logger.Instance.LogFormat(LogType.Trace, this, Properties.Resources.BeginProcessingFaxes, files.Length);

                        foreach (FileInfo file in files)
                        {
                            if(file.Extension == ".pdf")
                            {
                                ProcessNewPdf(file);
                            }
                            else
                            {
                                ProcessNewImage(file);
                            }
                        }

                        Logger.Instance.LogFormat(LogType.Trace, this, Properties.Resources.ProcessingFaxesComplete);
                    }
                    intervalLogger.ResetExceptionCollection();
                    Thread.Sleep(RoutineIntervalMs);
                }
                catch(Exception ex)
                {
                    intervalLogger.LogFormat(ex, LogType.Warning, this, Properties.Resources.FaxDirAccessError, _faxPath.FullName, ex.ToString());
                }
            }
        }