public static void Execute(ref InternalWorkItem <T> item)
{
#if DEBUG
if (!item.Valid)
{
throw new WorkQueueException(item.Queue, "Invalid work item");
}
#endif
item.Data.Execute();
if (item.OnComplete != null)
{
item.OnComplete(ref item.Data);
}
}
public int Step(out bool exhausted, int?maximumCount = null)
{
int result = 0, count = 0;
int actualMaximumCount = maximumCount.GetValueOrDefault(DefaultStepCount);
InternalWorkItem <T> item = default(InternalWorkItem <T>);
bool running = true;
do
{
lock (Queue) {
running = ((count = Queue.Count) > 0) &&
(result < actualMaximumCount);
if (running)
{
InFlightTasks++;
item = Queue.Dequeue();
}
}
if (running)
{
item.Data.Execute();
if (item.OnComplete != null)
{
item.OnComplete(ref item.Data);
}
result++;
lock (Queue) {
InFlightTasks--;
if ((Queue.Count == 0) && (InFlightTasks <= 0))
{
DrainComplete.Set();
}
}
}
} while (running);
lock (Queue)
exhausted = Queue.Count == 0;
return(result);
}