protected static void ProcessMessages(IAzureQueue<T> queue, IEnumerable<T> messages, Func<T, bool> action)
{
if (queue == null)
{
throw new ArgumentNullException("queue");
}
if (action == null)
{
throw new ArgumentNullException("action");
}
if (messages == null)
{
throw new ArgumentNullException("messages");
}
foreach (var message in messages)
{
var allowDelete = false;
var corruptMessage = false;
try
{
allowDelete = action(message);
}
catch (Exception ex)
{
TraceHelper.TraceError(ex.TraceInformation());
corruptMessage = true;
}
finally
{
if (allowDelete || (corruptMessage && message.GetMessageReference().DequeueCount > 5))
{
try
{
queue.DeleteMessage(message);
}
catch (Exception ex)
{
TraceHelper.TraceError(
"Error deleting message type '{0}' id {1}: {2}",
message.GetType().Name,
message.GetMessageReference().Id,
ex.TraceInformation());
}
}
}
}
}
protected static void ProcessMessages(IAzureQueue <T> queue, IAzureQueue <T> deadQueue, IEnumerable <T> messages, Action <T> action)
{
if (queue == null)
{
throw new ArgumentNullException("queue");
}
if (action == null)
{
throw new ArgumentNullException("action");
}
if (messages == null)
{
throw new ArgumentNullException("messages");
}
foreach (var message in messages)
{
var success = false;
try
{
action(message);
success = true;
}
catch (Exception)
{
success = false;
}
finally
{
if (deadQueue != null && message.DequeueCount > 5)
{
deadQueue.AddMessage(message);
}
if (success || message.DequeueCount > 5)
{
queue.DeleteMessage(message);
}
}
}
}