using Aitex.Core.Util;
using MECF.Framework.Common.Net;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace MECF.Framework.Common.Device.Wago
{
    public class WagoFlag : Singleton<WagoFlag>
    {
        #region 内部变量
        short _flag = 0;
        object _locker = new object();
        #endregion
        /// <summary>
        /// 产生数据标识
        /// </summary>
        /// <returns></returns>
        private void GenerateDataFlag()
        {
            lock(_locker)
            {
                if(_flag+1==short.MaxValue)
                {
                    _flag = 1;
                }
                else
                {
                    _flag++;
                }
            }
        }
        /// <summary>
        /// 产生数据标识数组
        /// </summary>
        /// <returns></returns>
        public byte[] GenerateDataFlagBuffer(IByteTransform byteTransform)
        {
            GenerateDataFlag();
            return byteTransform.GetBytes(_flag);
        }
    }
}