ISEbd-21.Fedotov.I.A.Diner/Diner/DinerListImplement/DataListSingleton.cs

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

namespace DinerListImplement
{
    internal class DataListSingleton
    {
        public static DataListSingleton? _instance;

        public List<Food> Foods { get; set; }
        public List<Snack> Snacks { get; set; }
        public List<Order> Orders { get; set; }
        public List<Client> Clients { get; set; } 
        public List<Implementer> Implementers { get; set; }

        private DataListSingleton() { 
            Foods = new List<Food>();
            Snacks = new List<Snack>();
            Orders = new List<Order>();
            Clients = new List<Client>(); 
            Implementers = new List<Implementer>();
        }
        public static DataListSingleton GetInstance() { 
            if (_instance == null) _instance = new DataListSingleton();
            return _instance;
        }
    }
}