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

namespace MyCode.Project.Infrastructure.Common
{
    public sealed class IdHelper
    {
        private static long NextId = 0;

        private static readonly object idLock = new object();

        private static int IdLastNum = Convert.ToInt32(WebConfigUtils.GetAppSettingsInfo("IdLastNum"));

        public static long GetNewId()
        {
            lock (idLock)
            {
                if (NextId == 0)
                {
                    NextId = Convert.ToInt64(DateTime.Now.ToString("yyMMddHHmmssfff"));
                }

                NextId = NextId + 1;

                return Convert.ToInt64(NextId.ToString() + IdLastNum);
            }

           
        }
    }
}