public DateTime GetNextRunTime(DateTime lastScheduledRunTime, DateTime lastCompleteTime)
{
if (!_hasRun.Exchange(true))
{
return(new DateTime());
}
_latch.CountDown();
return(default(DateTime));
}
internal void ContinueWithCore(Task continuation, TaskContinuationOptions kind,
TaskScheduler scheduler, Func <bool> predicate)
{
// Already set the scheduler so that user can call Wait and that sort of stuff
continuation.taskScheduler = scheduler;
continuation.scheduler = ProxifyScheduler(scheduler);
AtomicBoolean launched = new AtomicBoolean();
EventHandler action = delegate {
if (!predicate())
{
return;
}
if (!launched.Value && !launched.Exchange(true))
{
if (!ContinuationStatusCheck(kind))
{
continuation.Cancel();
continuation.CancelReal();
continuation.Dispose();
return;
}
CheckAndSchedule(continuation, kind, scheduler);
}
};
if (IsCompleted)
{
action(this, EventArgs.Empty);
return;
}
completed += action;
// Retry in case completion was achieved but event adding was too late
if (IsCompleted)
{
action(this, EventArgs.Empty);
}
}