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

namespace HPSocketCS.Extended
{
    /// <summary>
    /// SQL请求数据处理类
    /// </summary>
    [Serializable]
    public class SQLHelperRequestData
    {
        public SQLHelperRequestData(){
        
        }
        public SQLHelperRequestData(HPSocketCS.Extended.SQLHelperRequestType rType)
        {
            this.RequestType = (int)rType;
        }
        private Int32 _RequestType;
        /// <summary>
        /// 数据请求类型
        /// </summary>
        public Int32 RequestType
        {
            get { return _RequestType; }
            set { _RequestType = value; }
        }

        List<SerSqlCommandItme> serSqlCommandList = new List<SerSqlCommandItme>();
        /// <summary>
        /// 请求命令集合
        /// </summary>
        public List<SerSqlCommandItme> SerSqlCommandList
        {
            get { return serSqlCommandList; }
            set { serSqlCommandList = value; }
        }
        /// <summary>
        /// 获取sql语句命令 如果SerSqlCommandList 集合中有多条命令时 取第一条
        /// </summary>
        public SerSqlCommandItme GetSerSqlCommand {
            get {
                if (serSqlCommandList.Count > 0)
                {
                    return serSqlCommandList[0];
                }
                else {
                    return new SerSqlCommandItme();
                }
            }
        }

        byte[] _AttachedData = null;
        /// <summary>
        /// 附加数据 暂无作用
        /// </summary>
        public byte[] AttachedData
        {
            get { return _AttachedData; }
            set { _AttachedData = value; }
        }

        string _AttachedMessage = "";
        /// <summary>
        /// 附加消息 暂无作用
        /// </summary>
        public string AttachedMessage
        {
            get { return _AttachedMessage; }
            set { _AttachedMessage = value; }
        }
        /// <summary>
        /// 将附加数据字节娄组转为对象
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <returns></returns>
        public T AttachedDataToObject<T>()
        {
            try
            {
                return (T)HPSocketCS.Extended.DataSetSerializerDeserialize.ObjectDeserialize(this._AttachedData);
            }
            catch
            {
                return default(T);
            }
        }
    }
}