public async Task <IEnumerable <IBatchContainer> > GetQueueMessagesAsync()
{
try
{
var task = queue.GetQueueMessages();
outstandingTask = task;
CloudQueueMessage[] messages = (await task).ToArray();
if (!messages.Any())
{
return(Enumerable.Empty <IBatchContainer>());
}
AzureQueueBatchContainer[] azureQueueMessages = messages
.Select(msg => AzureQueueBatchContainer.FromCloudQueueMessage(msg, lastReadMessage++)).ToArray();
outstandingTask = Task.WhenAll(messages.Select(queue.DeleteQueueMessage));
await outstandingTask;
return(azureQueueMessages);
}
finally
{
outstandingTask = null;
}
}
public async Task <IList <IBatchContainer> > GetQueueMessagesAsync(int maxCount)
{
try
{
var queueRef = queue; // store direct ref, in case we are somehow asked to shutdown while we are receiving.
if (queueRef == null)
{
return(new List <IBatchContainer>());
}
int count = maxCount < 0 || maxCount == QueueAdapterConstants.UNLIMITED_GET_QUEUE_MSG ?
CloudQueueMessage.MaxNumberOfMessagesToPeek : Math.Min(maxCount, CloudQueueMessage.MaxNumberOfMessagesToPeek);
var task = queueRef.GetQueueMessages(count);
outstandingTask = task;
IEnumerable <CloudQueueMessage> messages = await task;
List <IBatchContainer> azureQueueMessages = messages
.Select(msg => (IBatchContainer)AzureQueueBatchContainer.FromCloudQueueMessage(msg, lastReadMessage++)).ToList();
return(azureQueueMessages);
}
finally
{
outstandingTask = null;
}
}
public async Task <IList <IBatchContainer> > GetQueueMessagesAsync(int maxCount)
{
try
{
int count = maxCount < 0 || maxCount == QueueAdapterConstants.UNLIMITED_GET_QUEUE_MSG ?
CloudQueueMessage.MaxNumberOfMessagesToPeek : Math.Min(maxCount, CloudQueueMessage.MaxNumberOfMessagesToPeek);
var task = queue.GetQueueMessages(count);
outstandingTask = task;
IEnumerable <CloudQueueMessage> messages = await task;
List <IBatchContainer> azureQueueMessages = messages
.Select(msg => (IBatchContainer)AzureQueueBatchContainer.FromCloudQueueMessage(msg, lastReadMessage++)).ToList();
if (azureQueueMessages.Count == 0)
{
return(azureQueueMessages);
}
outstandingTask = Task.WhenAll(messages.Select(queue.DeleteQueueMessage));
await outstandingTask;
return(azureQueueMessages);
}
finally
{
outstandingTask = null;
}
}