public IEnumerable<ProcessingStepResult> ReceiveLoop()
{
var backOff = new BackOff(1000);
while (rampUpController.CheckHasEnoughWork())
{
rampUpController.RampUpIfTooMuchWork();
var message = receive();
if (message != null)
{
addEvent("Processing started. Time remaining: "+message.ProcessingTime);
successfulRead = true;
yield return new ProcessingStepResult(message.ProcessingTime, true);
}
else
{
rampUpController.Failed();
}
if (successfulRead)
{
process(message);
rampUpController.Succeeded();
successfulRead = false;
}
else
{
yield return new ProcessingStepResult(backOff.Wait(() => message == null), false);
}
}
}
void ReceiveLoop(object obj)
{
var backOff = new BackOff(1000);
var rampUpController = CreateRampUpController(StartTask);
while (!token.IsCancellationRequested && rampUpController.CheckHasEnoughWork())
{
bool success;
rampUpController.RampUpIfTooMuchWork();
var result = Init();
try
{
result = Try(result, out success);
if (success)
{
rampUpController.Succeeded();
}
else
{
rampUpController.Failed();
}
}
finally
{
Finally(result);
}
circuitBreaker.Success();
backOff.Wait(() => !success);
}
}
private void Action(object obj)
{
var cancellationToken = (CancellationToken)obj;
var backOff = new BackOff(1000);
while (!cancellationToken.IsCancellationRequested)
{
var result = new ReceiveResult();
try
{
if (settings.IsTransactional)
{
if (settings.DontUseDistributedTransactions)
{
result = TryReceiveWithNativeTransaction();
}
else
{
result = TryReceiveWithDTCTransaction();
}
}
else
{
result = TryReceiveWithNoTransaction();
}
}
finally
{
//since we're polling the message will be null when there was nothing in the queue
if (result.Message != null)
{
endProcessMessage(result.Message, result.Exception);
}
}
circuitBreaker.Success();
backOff.Wait(() => result.Message == null);
}
}
private void Action(object obj)
{
var cancellationToken = (CancellationToken)obj;
var backOff = new BackOff(1000);
while (!cancellationToken.IsCancellationRequested)
{
var result = new ReceiveResult();
try
{
if (settings.IsTransactional)
{
if (settings.DontUseDistributedTransactions)
{
result = TryReceiveWithNativeTransaction();
}
else
{
result = TryReceiveWithDTCTransaction();
}
}
else
{
result = TryReceiveWithNoTransaction();
}
}
finally
{
//since we're polling the message will be null when there was nothing in the queue
if (result.Message != null)
endProcessMessage(result.Message, result.Exception);
}
circuitBreaker.Success();
backOff.Wait(() => result.Message == null);
}
}
