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

namespace Mesnac.Action.Feeding.Qingquan.LockScales
{
    /// <summary>
    /// 锁秤业务服务
    /// </summary>
    public class LockScaleService
    {
        #region 字段定义

        private System.Timers.Timer _timer = null;

        #endregion

        #region 单例实现

        private static LockScaleService _instance = null;

        private LockScaleService() { }

        public static LockScaleService Instance
        {
            get
            {
                if (_instance == null)
                {
                    _instance = new LockScaleService();
                }
                return _instance;
            }
        }

        #endregion

        #region 启动定时器运行服务
        /// <summary>
        /// 启动定时器运行服务
        /// </summary>
        public void Start()
        {
            if (this._timer == null)
            {
                Global.PublicVar.Instance.G_DownloadSL = 1;     //下传送胶信号标志
                this._timer = new System.Timers.Timer();
                this._timer.Interval = 2000;
                this._timer.Elapsed += new System.Timers.ElapsedEventHandler(_timer_Elapsed);
                this._timer.Start();
            }
        }
        #endregion

        #region 停止定时器运行服务
        /// <summary>
        /// 停止定时器运行服务
        /// </summary>
        public void Stop()
        {
            if (this._timer != null)
            {
                this._timer.Stop();
                this._timer.Dispose();
                this._timer = null;
            }
        }

        #endregion

        #region 定时器服务事件处理
        /// <summary>
        /// 定时器服务事件处理
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void _timer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
        {
            lock (String.Empty)
            {
                CheckBarcodeHelper.CheckBarcode();      //检查条码
            }
        }

        
        #endregion
    }
}