Aparyan.ISE-22.MotorPlant/MoorPlantListImplement/DataListSingleton.cs

using MotorPlantListImplement.Models;

namespace MotorPlantListImplement
{
	public class DataListSingleton
	{
		private static DataListSingleton? _instance;
		public List<Component> Components { get; set; }
		public List<Order> Orders { get; set; }
		public List<Engine> Engines { get; set; }
		public List<Shop> Shops { get; set; }
		private DataListSingleton()
		{
			Components = new List<Component>();
			Orders = new List<Order>();
			Engines = new List<Engine>();
			Shops = new List<Shop>();
		}
		public static DataListSingleton GetInstance()
		{
			if (_instance == null)
			{
				_instance = new DataListSingleton();
			}
			return _instance;
		}
	}
}