public IAsyncResult BeginGetMessages(int messageCount, TimeSpan visibilityTimeout, AsyncCallback callback,
object state)
{
CloudQueue queue = _queues[GetNextQueue()];
NestedAsyncHelper wrapper = NestedAsyncHelper.WrapBeginParameters(callback, state, queue);
return
(wrapper.WrapAsyncResult(queue.BeginGetMessages(messageCount, visibilityTimeout,
NestedAsyncHelper.Callback, wrapper)));
}
CloudQueueMessage GetMessage()
{
CloudQueueMessage cloudQueueMessage;
if (batchQueue.TryDequeue(out cloudQueueMessage))
{
return(cloudQueueMessage);
}
var callback = new AsyncCallback(ar =>
{
var receivedMessages = azureQueue.EndGetMessages(ar);
foreach (var receivedMessage in receivedMessages)
{
batchQueue.Enqueue(receivedMessage);
}
});
azureQueue.BeginGetMessages(BatchSize, TimeSpan.FromMilliseconds(MessageInvisibleTime * BatchSize), null, null, callback, null);
return(null);
}