Şafak Ünel (Matematik Mühendisi)

/// <summary>
    /// Mediator
    /// </summary>
    public interface IAirport
    {
        void Register(AirlineBase airline);
        bool GiveLandingPermission(string flightCode);
    }

    /// <summary>
    /// Concrete Mediator
    /// </summary>
    public class AtaturkAirport:IAirport
    {
        private Dictionary<string, AirlineBase> _planes;

        public AtaturkAirport()
        {
            _planes = new Dictionary<string, AirlineBase>();
        }

        public void Register(AirlineBase airline)
        {
            if (!_planes.ContainsValue(airline))
                _planes.Add(airline.FlightCode, airline);

            airline.Airport = this;
        }

        public bool GiveLandingPermission(string flightCode)
        {
            if (_planes.ContainsKey(flightCode))
                return true;
            else
                return false;
        }
    }
    /// <summary>
    /// Collague
    /// </summary>
    public abstract class AirlineBase
    {
        public string FlightCode { get; set; }
        public IAirport Airport { get; set; }

        public virtual void GetLandingPermission()
        {
            if (Airport != null)
            {
                bool hasPermissionForLanding = 
                       Airport.GiveLandingPermission(FlightCode);
                if (hasPermissionForLanding)
                    Console.WriteLine("Inis izni verildi.");
                else
                    Console.WriteLine("Inis izni verilmedi!");
            }
            else
                Console.WriteLine("Ucak kaydı yapılmamış. İniş   
                        izni yok!");
        }
    }
    /// <summary>
    /// Concrete Collague
    /// </summary>
    public class THYAirline: AirlineBase
    {
        public override void GetLandingPermission()
        {
            Console.WriteLine(FlightCode + " nolu THY ucağı   
             inis icin izin gonderdi.");
            base.GetLandingPermission();
        }
    }
    /// <summary>
    /// Concrete Collague
    /// </summary>
    public class PegasusAirline:AirlineBase
    {
        public override void GetLandingPermission()
        {
            Console.WriteLine(FlightCode + " nolu Pegasus ucağı   
                  inis icin izin gonderdi.");
            base.GetLandingPermission();
        }
    }