Service1Part22

using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.ServiceModel;
using System.Text;
using System.Threading;

namespace WcfServiceLibrary2
{
    // NOTE: You can use the "Rename" command on the "Refactor" menu to change the class name "Service1" in both code and config file together.
    [ServiceBehavior(InstanceContextMode = InstanceContextMode.PerSession)]
    public class myCallbackKalkulator : ICallbackKalkulator
    {
        private int result;
        private double coeff;
        private ICallbackHandler callback = null;
        public myCallbackKalkulator()
        {
            callback = OperationContext.Current.GetCallbackChannel<ICallbackHandler>();
        }

        public void Function1(int n)
        {
            Console.WriteLine("...call of Function1({0})", n);
            long maxN = 1;
            for (int i = 1; i <= n; ++i)
            {
                bool isPrime = true;
                for (int j = 2; j < Math.Sqrt(i); ++j)
                {
                    if (i % j == 0)
                    {
                        isPrime = false;
                        break;
                    }
                }

                if (isPrime)
                {
                    maxN = i;
                }
            }
            callback.Function1CB(maxN);
        }

        public void Function2(int n, int k)
        {
            Console.WriteLine("...call of Function2({0}, {1})", n, k);
            coeff = (factorial(n) / (factorial(k) * factorial(n - k)));
            callback.Function2CB(coeff);
        }

        private double factorial(int n)
        {
            result = 1;
            for (int i = 1; i <= n; i++)
            {
                result *= i;
            }

            return result;
        }
    }
}