//-----------------------------------------------------
// Methods generating STAGES based on CONNECTION
//-----------------------------------------------------
/// <summary>
/// Function generates and returns all stages existed at trainConnection.
/// </summary>
/// <param name="connection"></param>
/// <returns></returns>
public static List <Stage> generateStages(TrainConnection connection)
{
List <Stage> stages = new List <Stage>();
TrainStation from = connection.FromStation;
// randomizeTimetable changing station according edges
List <TrainStation> changingStation = TrainConnection.generateChangingStation(connection.getEdges());
// loop over all changing station at connection
foreach (TrainStation station in changingStation)
{
// randomizeTimetable connection
Stage stage = generateStage(connection.getEdges(), from, station);
// if exists, then addConstraint
if (stage != null)
{
stages.Add(stage);
}
// set up actual toStation as a fromStation for next loop
from = station;
}
// randomizeTimetable last stage
Stage lastStage = generateStage(connection.getEdges(), from, connection.ToStation);
// if exists, then addConstraint last stage
if (lastStage != null)
{
stages.Add(lastStage);
}
return(stages);
}
/****************************************/
// TrainConnections' related methods
/****************************************/
/// <summary>
/// Funtion creates trainConnecion off path of (optimalized) edges.
/// </summary>
/// <param name="edges"></param>
/// <returns></returns>
public static TrainConnection createTrainConnection(List <Edge> edges)
{
// if there is path with length 0 or list of edges doesn't exist
if (edges.Count.Equals(0) || edges.Equals(null))
{
return(null);
}
// determine start and destination station
TrainStation from = edges[0].FromStation;
TrainStation to = edges[edges.Count - 1].ToStation;
// createConstraintSet new connection with start and destination stattion, and path of edges
TrainConnection connection = new TrainConnection(from, to, edges);
// randomizeTimetable changing station and set them in connection
connection.setChangingStation(TrainConnection.generateChangingStation(edges));
// randomizeTimetable variableLines of connection and set them in connection
connection.setLinesOfConnection(TrainConnection.generateLinesOfConnection(edges));
// calculate other variabiles
connection.calculateDistance();
connection.calculatePassengers();
connection.calculateTime();
return(connection);
}