void IUpdateable.Update()
{
int i;
for (i = 0; i < scheduledItems.Count; i++)
{
ScheduledItem item = scheduledItems[i];
if (loopTimeService.Time < item.ExecutionTime)
{
break;
}
item.Execute();
if (!item.Repeating)
{
continue;
}
item.Reschedule(loopTimeService.Time + item.Schedule);
scheduledItems.RemoveAt(i);
scheduledItems.InsertOrdered(item, comparer);
i--;
}
if (i > 0)
{
scheduledItems.RemoveRange(0, i);
}
}
/// <summary>
/// Schedules the specified task to be invoked on a specified schedule, after an optional delay.
/// </summary>
/// <param name="task">The task/action to be run.</param>
/// <param name="schedule">The delay between invocations.</param>
/// <param name="delay">An additional delay for the first time run.</param>
/// <returns>A disposable object representing the scheduled task. Calling Dispose() will cancel the schedule and any future invocations.</returns>
/// <exception cref="ArgumentOutOfRangeException">Thrown if the schedule is less than 0.</exception>
/// <exception cref="ArgumentNullException">Thrown if no action is specified.</exception>
public IDisposable ScheduleRepeating(Action task, TimeSpan schedule, TimeSpan delay = default)
{
if (schedule <= TimeSpan.Zero)
{
throw new ArgumentOutOfRangeException(nameof(delay), $"{nameof(delay)} cannot be <= zero.");
}
if (task == null)
{
throw new ArgumentNullException(nameof(task));
}
Log.Debug($"Scheduled Repeating Task: {task.Method.GetFullName()}");
ScheduledItem item = new ScheduledItem(this, task, loopTimeService.Time + delay.TotalSeconds + schedule.TotalSeconds, schedule.TotalSeconds);
scheduledItems.InsertOrdered(item, comparer);
return(item);
}
internal void Unschedule(ScheduledItem scheduledItem)
{
scheduledItems.Remove(scheduledItem);
}