JYHB-WCS/src/Khd.Core.Wcs/SystemData.cs

using Khd.Core.EntityFramework;

namespace Khd.Core.Wcs
{
    public class SystemData
    {
        public readonly static int maxTray = 5;

        private static long _serialNo { get; set; } = 1;

        private static object serialLock = new object();

        public static long GetSerialNo(DefaultDbContext dbContext)
        {
            lock (serialLock)
            {
                List<long?> list = dbContext.WcsTask.Select(t => t.serialNo).ToList();
                while (list.Contains(_serialNo))
                {
                    _serialNo++;
                    if (_serialNo > 9999)
                    {
                        _serialNo = 1;
                    }
                }
                return _serialNo;
            }
        }
        public static object outStockLock = new object();

    }
}