/// <summary>
/// Replaces the schedule item if its not yet started, otherwises follows it with a new item.
/// </summary>
/// <param name="item">The replacement item.</param>
/// <returns>The final item.</returns>
public ASyncScheduleItem ReplaceOrFollowWith(ASyncScheduleItem item)
{
lock (Locker)
{
if (FollowUp != null)
{
return(FollowUp.ReplaceOrFollowWith(item));
}
if (Started)
{
if (Done)
{
item.RunMe();
return(item);
}
else
{
FollowUp = item;
return(item);
}
}
else
{
MyAction = item.MyAction;
FollowUp = item.FollowUp;
return(this);
}
}
}
/// <summary>
/// Creates but does not start an async task.
/// </summary>
/// <param name="a">The action to launch async.</param>
/// <param name="followUp">Optional followup task.</param>
/// <returns>The created schedule item.</returns>
public ASyncScheduleItem AddAsyncTask(Action a, ASyncScheduleItem followUp = null)
{
ASyncScheduleItem asyncer = new ASyncScheduleItem()
{
OwningEngine = this, MyAction = a, FollowUp = followUp
};
return(asyncer);
}
/// <summary>
/// Starts an async task.
/// </summary>
/// <param name="a">The action to launch async.</param>
/// <param name="prio">Whether this action is considered important.</param>
/// <returns>The scheduled item.</returns>
public ASyncScheduleItem StartAsyncTask(Action a, bool prio = false)
{
ASyncScheduleItem asyncer = new ASyncScheduleItem()
{
OwningEngine = this, MyAction = a, UnImportant = !prio
};
asyncer.RunMe();
return(asyncer);
}
/// <summary>
/// Tells the item to follow the current item with a new one.
/// </summary>
/// <param name="item">The follower item.</param>
public void FollowWith(ASyncScheduleItem item)
{
lock (Locker)
{
if (Done)
{
item.RunMe();
}
else
{
FollowUp = item;
}
}
}
