/// <summary>
/// Schedules an action to be executed at dueTime.
/// </summary>
/// <param name="scheduler">Scheduler to execute the action on.</param>
/// <param name="dueTime">Relative time after which to execute the action.</param><param name="action">Action to be executed.</param>
/// <returns>
/// The disposable object used to cancel the scheduled action (best effort).
/// </returns>
/// <exception cref="T:System.ArgumentNullException"><paramref name="scheduler"/> or <paramref name="action"/> is null.</exception>
public static IDisposable ScheduleRelative(
[NotNull] this VirtualTimeScheduler <long, long> scheduler,
TimeSpan dueTime,
Action action)
{
return(scheduler.ScheduleRelative(dueTime.Ticks, action));
}
public IDisposable Subscribe(IObserver <T> observer)
{
Ensure.NotNull(observer, nameof(observer));
Subscriptions.Add(new Subscription(_scheduler.Clock));
var index = Subscriptions.Count - 1;
var d = new CompositeDisposable();
foreach (var message in Messages)
{
var notification = message.Value;
d.Add(_scheduler.ScheduleRelative(
default(object),
message.Time,
(_, __) => { notification.Accept(observer); return(Disposable.Empty); }));
}
return(Disposable.Create(() =>
{
Subscriptions[index] = new Subscription(Subscriptions[index].Subscribe, _scheduler.Clock);
d.Dispose();
}));
}
