internal async Task Receive(int batchSize, List <MessageRetrieved> receivedMessages, BackoffStrategy backoffStrategy, CancellationToken token)
{
var rawMessages = await inputQueue.GetMessagesAsync(batchSize, MessageInvisibleTime, null, null, token).ConfigureAwait(false);
// ReSharper disable once LoopCanBeConvertedToQuery
foreach (var rawMessage in rawMessages)
{
receivedMessages.Add(new MessageRetrieved(unwrapper, rawMessage, inputQueue, errorQueue));
}
await backoffStrategy.OnBatch(receivedMessages.Count, token).ConfigureAwait(false);
}
internal async Task <List <MessageRetrieved> > Receive(BackoffStrategy backoffStrategy, CancellationToken token)
{
var rawMessages = await inputQueue.GetMessagesAsync(BatchSize, MessageInvisibleTime, null, null, token).ConfigureAwait(false);
var messageFound = false;
List <MessageRetrieved> messages = null;
foreach (var rawMessage in rawMessages)
{
if (!messageFound)
{
messages = new List <MessageRetrieved>(BatchSize);
messageFound = true;
}
messages.Add(new MessageRetrieved(unwrapper, rawMessage, inputQueue, errorQueue));
}
await backoffStrategy.OnBatch(messageFound?messages.Count : 0, token).ConfigureAwait(false);
return(messageFound ? messages : noMessagesFound);
}
Task BackoffOnError(CancellationToken cancellationToken)
{
// run as there was no messages at all
return(backoffStrategy.OnBatch(0, cancellationToken));
}
