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

namespace QM.Exchange.Adapters.MiddleDB
{
    public class MiddleDBAdapter
    {
        /// <summary>
        /// 数据表名
        /// </summary>
        private string _tableName { get; set; }

        /// <summary>
        /// 主键字段名
        /// </summary>
        private string PkColumnName = "ID_KEY";

        /// <summary>
        /// 读取标志字段
        /// </summary>
        private string ReadFlagColumn = "R_FLAG";

        /// <summary>
        /// 过期时间(小时)
        /// </summary>
        private int OverdueTime = 12;

        public MiddleDBAdapter(string tableName)
        {
            _tableName = tableName;
        }

        /// <summary>
        /// 监控数据变化
        /// </summary>
        public void Monitor()
        {
            //监控是否有未读数据            

            //向业务系统推送数据
        }

        /// <summary>
        /// 推送数据
        /// </summary>
        public void PushData()
        {
            //获取未读数据

            //生成消息ID

            //向消息表写入数据+消息ID

            //向消息队列发送消息ID

            //标记已读
        }

        /// <summary>
        /// 获取未读数据
        /// </summary>
        /// <returns></returns>
        public DataTable GetData()
        {
            return null;
        }

        /// <summary>
        /// 向消息化数据表写入数据
        /// </summary>
        /// <param name="table"></param>
        public void WriteMqTable(DataTable table)
        {
            //将未读数据写入T_IO_MQDATA
        }

        /// <summary>
        /// 向消息队列发送消息ID
        /// </summary>
        public void SendMq(string msgID)
        {
            string topicID = "";
            
            //通过接口表与主题关联获取消息主题

            //向消息队列发送消息ID
            using (QMBDP.ActiveMQClient.MQProducer producer = new QMBDP.ActiveMQClient.MQProducer(topicID))
            {                
                producer.SendTextMessage(msgID);
            }
            
        }

        /// <summary>
        /// 将未读数据标记为已读
        /// </summary>
        /// <param name="table"></param>
        public void SignRead(DataTable table)
        {

        }

        /// <summary>
        /// 删除过期的已读数据
        /// </summary>
        public void DeleteHistory()
        {

        }
    }
}