public Task NotifySubscriberAsync(CodeLineScanEvent e)
{
return(Task.Factory.StartNew(() =>
{
using (LogProvider.OpenNestedContext("Task_NotifySubscriber_CodeLineScan"))
{
log.Info("Notify remote subscriber of scan");
log.DebugFormat("Begin call remote notification of scan [{0}]", e);
try
{
_subscriber.HandlerScan(
new ScanResult {
ValidationResult = (int)(e.CodeLineData.CodelineValidationResult), Contents = e.CodeLineData.Surname
}
);
}
catch (Exception ex)
{
log.WarnFormat("Unable to notify remote subscriber of scan [{0}]", ex.Message);
IsOpen = false;
}
log.DebugFormat("End call remote notification of scan");
}
}));
}
private void HandleCodeLineScan(object sender, CodeLineScanEvent e)
{
// TODO consider doing the two tasks in parallel
log.InfoFormat("Begin processing Scan", e);
if (subscriber != null)
{
try
{
log.InfoFormat("Begin Scan callback trigger [{0}]", e);
subscriber.OnScanEvent();
log.Info("End Scan callback trigger ");
}
catch (Exception ex)
{
log.ErrorFormat("Failed to deliver Scan Event to subscriber [{0}]", e);
log.ErrorFormat("Exception during handling of Scan Event notification [{0}]", ex);
}
}
try
{
scanSink.HandleCodeLineScan(sender, e);
}
catch (Exception ex)
{
log.ErrorFormat("Exception durning deliverying scan [{0}]", ex);
}
log.InfoFormat("End processing Scan", e);
}
public void NotifyAll(CodeLineScanEvent e)
{
log.Info("NotifyAll subscribers asynchronously of scanned document");
foreach (var subscriber in _subscribers.Values)
{
try
{
log.Info("Notifying subscriber async of scanned document");
subscriber.NotifySubscriberAsync(e);
}
catch (Exception ex)
{
log.ErrorFormat("Failed to deliver Scan Event to subscriber [{0}]", e);
log.ErrorFormat("Exception during handling of Scan Event notification [{0}]", ex);
}
}
}
private void HandleCodeLineScan(object sender, CodeLineScanEvent e)
{
log.Info("Handling CodeLineScan");
log.DebugFormat("Begin processing Scan", e);
subscribers.NotifyAll(e);
try
{
log.Info("Putting scanned document asynchronously into cloud");
scanStoreCloud.CodeLineDataPutAsync(e);
}
catch (Exception ex)
{
log.ErrorFormat("Exception during delivery of scan [{0}]", ex);
}
log.Debug("End processing Scan");
}
private void HandleCodeLineScanEvent(object sender, CodeLineScanEvent e)
{
documentSink.CodeLineDataPutAsync(e);
}
