/// <summary>
/// FindTrain method which takes trainID, then return Train object
/// </summary>
/// <param name="trainID">TrainID of the train to be searched</param>
/// <returns>Train object</returns>
public Train FindTrain(int trainID)
{
Train searchTrain = new Train();
foreach (object item in RailwayData.trains.Keys)
{
if (Convert.ToInt32(item) == trainID)
{
searchTrain = (Train)RailwayData.trains[item];
break;
}
}
if (searchTrain.TrainID == 0)
{
TrainNotFoundException notFound = new TrainNotFoundException("The train you are searching is not found");
throw notFound;
}
return(searchTrain);
}
/* overloading of methods - static polymorphism*/
/// <summary>
/// FindTrain method which takes fromlocation,tolocation and date , then return Train object
/// </summary>
/// <param name="fromLocation">From station paramater</param>
/// <param name="toLocation">Tostaion parameter</param>
/// <param name="day">day parameter on which day train to be search </param>
/// <returns>Train object</returns>
public Train FindTrain(string fromLocation, string toLocation, DateTime day)
{
Train searchTrain = new Train();
foreach (object schedule in RailwayData.trainSchedule.Keys)
{
TrainSchedule trainSchedule = (TrainSchedule)RailwayData.trainSchedule[schedule];
if (trainSchedule.FromStation == fromLocation && trainSchedule.ToStation == toLocation && trainSchedule.WeekDay == day.DayOfWeek.ToString())
{
searchTrain = (Train)RailwayData.trains[schedule];
break;
}
}
if (searchTrain.TrainID == 0)
{
TrainNotFoundException notFound = new TrainNotFoundException("The train you are searching is not found");
throw notFound;
}
return(searchTrain);
}