public static void Unregister(ITimedDictionary timedDictionary)
{
if (timedDictionary == null)
{
throw new ArgumentNullException(nameof(timedDictionary));
}
DateTime dummy;
if (!TimedDictionaries.TryRemove(timedDictionary, out dummy))
{
return;
}
if (Interlocked.Decrement(ref TimedDictionartiesCount) != 0)
{
return;
}
var cleanUpTask = Interlocked.Exchange(ref _cleanUpTask, null);
cleanUpTask?.Cancel();
}
public static void Register(ITimedDictionary timedDictionary)
{
if (timedDictionary == null)
{
throw new ArgumentNullException(nameof(timedDictionary));
}
if (!TimedDictionaries.TryAdd(timedDictionary, DateTime.UtcNow))
{
return;
}
if (Interlocked.Increment(ref TimedDictionartiesCount) != 1)
{
return;
}
var cleanUpTask = new CancellableTask(CleanUp);
if (Interlocked.CompareExchange(ref _cleanUpTask, cleanUpTask, null) == null)
{
cleanUpTask.Start();
}
}
