/// <summary>
/// Processing callback for the thread pool.
/// </summary>
/// <param name="threadContext">Context object for the thread pool callback.</param>
private void ProcessEntity(DataEntity entity)
{
if (entity == null)
{
throw new ArgumentNullException("entity");
}
var id = entity.Id;
try
{
Dal.UpdateEntity(id, ProcessingStatus.Processing);
if (!WorkingSet.TryUpdate(id, true, false))
{
Trace.WriteLine(String.Format("Error updating working set for entity {0}.", id));
Dal.UpdateEntity(id, ProcessingStatus.Failed);
}
Trace.WriteLine(String.Format("Processing entity: {0}", id));
var processingSleepTime = _processingTime.Next(1, _maxProcessingSeconds);
Thread.Sleep(TimeSpan.FromSeconds(processingSleepTime));
Dal.UpdateEntity(id, ProcessingStatus.Complete);
bool removed;
if (!WorkingSet.TryRemove(id, out removed))
{
Trace.WriteLine(String.Format("Error removing entity {0} from working set.", id));
}
Trace.WriteLine(String.Format("Processing Complete for entity: {0}", id));
}
catch (SqlException ex)
{
Dal.UpdateEntity(id, ProcessingStatus.Failed);
Trace.TraceError(String.Format("Error processing entity {0}: {1}", id, ex.StackTrace));
}
catch (Exception ex)
{
Dal.UpdateEntity(id, ProcessingStatus.Failed);
Trace.TraceError(String.Format("Error processing entity {0}: {1}", id, ex.StackTrace));
}
}