ShowDataRowContainer和ShowDataRow，实现实体数据先内存缓存后数据库搜索

2017-05-09 09:45:28 访问(1854) 赞(0) 踩(0)

using SlowX.Core.Model;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SlowX.Core.Classes.ShowDatas
{
    /// <summary>
    /// 显示值的容器
    /// </summary>
    [Serializable]
    public class ShowDataRowContainer
    {
        /// <summary>
        /// 显示值的容器
        /// </summary>
        public ShowDataRowContainer()
        {

        }

        /// <summary>
        /// 构建列表
        /// </summary>
        protected List<ShowDataRow> DataList = new List<ShowDataRow>();

        /// <summary>
        /// 获得DataRow
        /// </summary>
        /// <param name="className"></param>
        /// <param name="pkId"></param>
        /// <returns></returns>
        public DataRow DataRowFind(string className,string pkId)
        {
            if (DataList == null)
                return null;

            foreach (ShowDataRow item in DataList)
            {
                if (item == null)
                    continue;

                if (item.ClassName != className)
                    continue;

                if (item.PkID != pkId)
                    continue;

                return item.Data;
            }

            return null;
        }


        /// <summary>
        /// 获得ShowDataRow
        /// </summary>
        /// <param name="className"></param>
        /// <param name="pkId"></param>
        /// <returns></returns>
        public ShowDataRow ShowDataRowFind(string className, string pkId)
        {
            if (DataList == null)
                return null;

            foreach (ShowDataRow item in DataList)
            {
                if (item == null)
                    continue;

                if (item.ClassName != className)
                    continue;

                if (item.PkID != pkId)
                    continue;

                return item;
            }

            return null;
        }

        /// <summary>
        /// 添加DataRow
        /// </summary>
        /// <param name="className"></param>
        /// <param name="pkId"></param>
        /// <param name="dr"></param>
        public void ShowDataRowAdd
            (
                string className, 
                string pkId,
                DataRow dr
            )
        {
            if (DataList == null)
                DataList = new List<ShowDataRow>();

            foreach (ShowDataRow item in DataList)
            {
                if (item == null)
                    continue;

                if (item.ClassName != className)
                    continue;

                if (item.PkID != pkId)
                    continue;

                item.Data = dr;
                return;

            }

            ShowDataRow theValue = new ShowDataRow();
            theValue.ClassName = className;
            theValue.PkID = pkId;
            theValue.Data = dr;

            DataList.Add(theValue);
        }


    }
}

using System;
using System.Data;

namespace SlowX.Core.Classes.ShowDatas
{
    /// <summary>
    /// 显示值的容器
    /// </summary>
    [Serializable]
    public class ShowDataRow
    {
        /// <summary>
        /// 
        /// </summary>
        public ShowDataRow()
        {

        }


        #region ClassName ~ 逻辑类

        /// <summary>
        /// ClassName ~ 逻辑类
        /// </summary>
        protected string m_ClassName = null;

        /// <summary>
        /// ClassName ~ 逻辑类
        /// </summary>
        public string ClassName
        {
            get
            {
                return m_ClassName;
            }
            set
            {
                m_ClassName = value;
            }
        }

        #endregion ClassName ~ 逻辑类


        #region PkID ~ 关键字

        /// <summary>
        /// PkID ~ 关键字
        /// </summary>
        protected string m_PkID = null;

        /// <summary>
        /// PkID ~ 关键字
        /// </summary>
        public string PkID
        {
            get
            {
                return m_PkID;
            }
            set
            {
                m_PkID = value;
            }
        }

        #endregion PkID ~ 关键字


        #region Data ~ 值

        /// <summary>
        /// Data ~ 值
        /// </summary>
        protected DataRow m_Data = null;

        /// <summary>
        /// Data ~ 值
        /// </summary>
        public DataRow Data
        {
            get
            {
                return m_Data;
            }
            set
            {
                m_Data = value;
            }
        }

        #endregion Data ~ 值


    }
}