ISEbd-21_KashtanovD.A.FishFactory/FishFactory/FishFactoryListImplement/DataListSingleton.cs

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

namespace FishFactoryListImplement
{
    public class DataListSingleton
    {
        private static DataListSingleton? _instance;
        public List<Component> Components { get; set; }
        public List<Order> Orders { get; set; }
        public List<Canned> Canneds { get; set; }
		public List<Client> Clients { get; set; }

		private DataListSingleton()
        {
            Components = new List<Component>();
            Orders = new List<Order>();
            Canneds = new List<Canned>();
			Clients = new List<Client>();
		}
        public static DataListSingleton GetInstance()
        {
            if (_instance == null)
            {
                _instance = new DataListSingleton();
            }
            return _instance;
        }

    }
}