public TrackStretch TrackStretch(Station from, Station to) {
try {
return TrackStretches.Where(l =>
(l.Start.Station.Equals(from) && l.End.Station.Equals(to)) || (l.Start.Station.Equals(to) && l.End.Station.Equals(from))).Single();
}
catch (InvalidOperationException) {
throw new TrackLayoutException("There is no stretch between " + from.Name + " and " + to.Name);
}
}
public static void RecordHandler(IDataRecord record, TrackLayout layout)
{
var result = new Station(record.GetString(record.GetOrdinal("FullName")), record.GetString(record.GetOrdinal("Signature")));
layout.Add(result);
}
public TrackStretch StretchTowards(Station other) { return Exits.Where(e => e.Stretch.End.Station.Equals(other)).Select(e => e.Stretch).Single(); }
//public TrackStretch GetTrainsStretch()
public void Add(Station station) {
if (HasStation(station))
throw new TrackLayoutException(string.Format(CultureInfo.CurrentCulture, Properties.Resources.DuplicateAddOfStation, station));
_stations.Add(station);
}
public bool HasStation(Station station) { return Stations.Any(s => s.Equals(station)); }
private static void GetStations(TrackLayout layout, Excel.Workbook book) {
Excel.Worksheet sheet = book.Worksheets["StationTrack"];
var r = 2;
Station current = null;
var loop = true;
while (loop) {
var row = (Array)sheet.get_Range(Cell("A", r), Cell("G", r)).Cells.Value;
if (row.GetValue(1, 1) == null) {
break;
}
else {
var rowType = row.Value(6);
switch (rowType) {
case "Station":
if (current != null) layout.Add(current);
current = new Station( row.Value(5), row.Value(1));
break;
case "Track":
current.Add(new StationTrack(row.Value(3)));
break;
default:
loop = false;
break;
}
r++;
}
}
if (current != null) layout.Add(current);
}
public double DistanceToStation(Station station) {
if (station.Equals(_stretches.First().Start.Station)) return 0;
var stretch = _stretches.FirstOrDefault(s => s.End.Station.Equals(station));
if (stretch == null) throw new ArgumentOutOfRangeException(nameof(station));
return _stretches.Take(_stretches.IndexOf(stretch) + 1).Sum(s => s.Distance);
}
public bool HasStation(Station station)
{
return _stretches.Any(s => s.Start.Station.Equals(station) || s.End.Station.Equals(station));
}
