private IUsualAirport GetPairedAirport(IUsualAirport inputA, AirportsPair inputP)
{
if (inputA == inputP.FirstAirPort)
{
return(inputP.SecondAirPort);
}
return(inputP.FirstAirPort);
}
public void AddAirPortsPair(IUsualAirport firstAirPort, IUsualAirport secondAirPort)
{
AirportsPair pair = new AirportsPair(firstAirPort, secondAirPort);
firstAirPort.SetMediator(this);
secondAirPort.SetMediator(this);
PairsOfAirports.Add(pair);
}
public void Notify(object sender, string ev)
{
AirportsPair currentPair = null;
foreach (var airportsPair in this.PairsOfAirports)
{
if (airportsPair.FirstAirPort == sender || airportsPair.SecondAirPort == sender)
{
currentPair = airportsPair;
}
}
if (currentPair == null)
{
return;
}
if (ev == "Arrival")
{
Console.WriteLine((sender as IUsualAirport).Name + " :");
Console.WriteLine("Plane is arriving.");
IUsualAirport secondAirport = GetPairedAirport(sender as IUsualAirport, currentPair);
Console.WriteLine(secondAirport.Name + " :");
Console.WriteLine("Plane is departureing.");
Console.WriteLine();
return;
}
if (ev == "Departure")
{
Console.WriteLine((sender as IUsualAirport).Name + " :");
Console.WriteLine("Plane is departureing.");
IUsualAirport secondAirport = GetPairedAirport(sender as IUsualAirport, currentPair);
Console.WriteLine(secondAirport.Name + " :");
Console.WriteLine("Plane is arriving.");
Console.WriteLine();
}
}
public AirportsPair(IUsualAirport inputFirstAirport, IUsualAirport inputSecondAirport)
{
this.FirstAirPort = inputFirstAirport;
this.SecondAirPort = inputSecondAirport;
}