private IEnumerable<TrackStretchCommand> GetArrivalCommands(TrackStretchCommand command) {
var result = new List<TrackStretchCommand>();
result.AddRange(command.Call.Station.Calls.Where(c => ! c.IsArrived).Select(c => new RequestTrackStretchCommand(c, command.Stretch)));
// TODO:
return result;
}
internal CancelTrackStretchCommand(TrackStretchCommand other) : base(other) { }
internal protected TrackStretchCommand(TrackStretchCommand other) {
if (other == null) throw new ArgumentNullException(nameof(other));
Stretch = other.Stretch;
Call = other.Call;
}