private void mainTimer_Elapsed(object sender, ElapsedEventArgs e)
{
if (_isProcessing)
{
return;
}
_isProcessing = true;
// Check database for new items to fetch
try
{
//check for shutdown flag.
if (ShutdownHasBeenSignalled())
{
if (_adHocQueueController.GlobalListOfOutstandingAdHocRequests.Count == 0)
{
NLogger.Instance.Info("No pending adhoc requests...Deleting signal file and shutting down process");
File.Delete(ShutdownSignalFile());
Application.Exit();
}
else
{
NLogger.Instance.Info("{0} pending adhoc request(s)... cannot shutdown. Will retry as long as shutdown signal exists.");
return;
}
}
RaiseMessageEvent(string.Format("Checking at {0}", DateTime.Now.ToString("HH:mm:ss")));
// All items from DB
ProcessDataRequests(Db.GetTickerItemsToProcess("EXEC GetBloombergDataRequestItems"), false);
if (DateTime.Now > _setStatusTime)
{
ApplicationStatus.SetStatus(Application.ProductName, "OK", "", 1);
_setStatusTime = DateTime.Now.AddSeconds(59);
}
else
{
RaiseMessageEvent(string.Format("Next Status set {0}", _setStatusTime.ToString("dd MMM yy HH:mm:ss")));
}
}
catch (SqlException ex)
{
NLogger.Instance.Error("Sql server error: Exiting program. Error: {0}", ex.ToString());
Application.Exit();
}
catch (Exception ex)
{
NLogger.Instance.Fatal(ex.ToString(), ex);
RaiseMessageEvent(string.Format("Error: {0}", ex));
Static.EmailException("BB Field Value Retriever Error", ex.ToString(), ex);
}
finally
{
_isProcessing = false;
}
}