private void Execute()
{
int threadNo;
lock (_counterLock)
{
threadNo = _counter;
_counter++;
}
while (!_shutdown)
{
try
{
ReceivedMessage item = _queue.TryDequeue(_timeOut);
if (item != null)
{
try
{
IWorker worker = CreateWorker(item, threadNo);
worker.StartLog();
if (worker.CanExecuteNow())
{
if (worker.AquireLock())
{
try
{
worker.DoWork();
try
{
worker.EndLog(true, false, false);
}
finally
{
_queue.Ack(item);
worker.ReleaseLock();
worker.Dispose();
}
}
catch (Exception ex)
{
_queue.Ack(item);
worker.ReleaseLock();
worker.EndLog(false, true, true);
worker.Dispose();
ex.Data.Add("PoolType", GetType().Name);
ex.Data.Add("Key", item.Payload);
//todo: send alert
}
}
else
{
//Thread.Sleep(2000);
_queue.Ack(item);
worker.EndLog(false, false, true);
worker.Dispose();
}
}
else
{
_queue.Ack(item);
worker.EndLog(false, false, true);
worker.Dispose();
//_queue.Requeue(item);
}
}
catch (Exception ex)
{
Thread.Sleep(_timeOut); //throttle retries
_queue.Ack(item);
ex.Data.Add("PoolType", GetType().Name);
ex.Data.Add("Key", item.Payload);
//todo: send alert
}
}
else
{
Thread.Sleep(_timeOut); //no work
}
}
catch (Exception ex)
{
//todo: send alert
}
}
}