using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace OS.Spin.Running
{
    public class Controller
    {
        private static Controller _cer = null;
        private static object _objLock = new object();
        public static Controller GetInstance()
        {
            lock (_objLock)
            {
                return _cer ?? (_cer = new Controller());
            }
        }

        private Controller()
        {

        }
    }
}