private async Task Process <T>(WorkQueueItem item, CancellationToken cancellationToken)
where T : class
{
T payload = item.Payload.ToObject <T>().NotNull();
var processor = _Container.Resolve <IWorkQueueProcessor <T> >(IfUnresolved.ReturnDefaultIfNotRegistered);
if (processor == null)
{
_Logger.LogError($"work queue item '{item.Type}' has no processor, item faulted");
await _WorkQueueRepositoryManager.FaultedAsync(item);
return;
}
using (_Logger.LogScope(LogLevel.Verbose, $"processing work queue item '{item.Type}'"))
{
try
{
await processor.Process(payload, cancellationToken);
}
catch (TaskCanceledException)
{
await _WorkQueueRepositoryManager.EnqueueManyAsync(new[] { item });
throw;
}
catch (Exception ex)
{
_Logger.LogException(ex);
await _WorkQueueRepositoryManager.RetryAsync(item);
}
}
}
public async Task EnqueueManyAsync(IEnumerable <object> items, DateTime?whenToProcess)
{
IEnumerable <WorkQueueItem> workQueueItems =
from item in items
where item != null
let obj = JObject.FromObject(item)
where obj != null
select new WorkQueueItem(item.NotNull().GetType().FullName.NotNull(), obj.NotNull(), whenToProcess ?? DateTime.Now, 0);
await _WorkQueueRepositoryManager.EnqueueManyAsync(workQueueItems);
await _Bus.PublishAsync(new WorkQueueItemAddedMessage());
}