using ProjectBase.Data.BaseDAL.BaseDatabase;
using ProjectBase.Util;
using SIMDP.DAL.IDALSQL;
using SIMDP.Model;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SIMDP.DAL.DALSQL
{
    public class DalSequence : BaseDALSQL<MoSequence>, IDalSequence
    {
        #region 对象实例及构造函数

        public static DalSequence Instance
        {
            get
            {
                return new DalSequence();
            }
        } 
        public DalSequence() : base("sequence", "sequence_id")
        {
            this.sortField = "sequence_id";
            this.isDescending = false;
        }

        #endregion

        /// <summary>
        /// 将DataReader的属性值转化为实体类的属性值，返回实体类
        /// </summary>
        /// <param name="dr">有效的DataReader对象</param>
        /// <returns>实体类对象</returns>
        protected override MoSequence DataReaderToEntity(IDataReader dataReader)
        {
            MoSequence info = new MoSequence();
            SmartDataReader reader = new SmartDataReader(dataReader);

            info.SequenceId = reader.GetInt64("sequence_id");
            info.SequenceName = reader.GetString("sequence_name");
            info.SequenceCurrent = reader.GetInt64("sequence_current");
            info.SequenceMax = reader.GetInt64("sequence_max");
            info.AddValue = reader.GetInt32("add_value"); 
            return info;
        }

        /// <summary>
        /// 将实体对象的属性值转化为Hashtable对应的键值
        /// </summary>
        /// <param name="obj">有效的实体对象</param>
        /// <returns>包含键值映射的Hashtable</returns>
        protected override Hashtable GetHashByEntity(MoSequence obj)
        {
            MoSequence info = obj as MoSequence;
            Hashtable hash = new Hashtable();

            //hash.Add("data_point_id", info.DataPointId);
            hash.Add("sequence_name", info.SequenceName);
            hash.Add("sequence_current", info.SequenceCurrent);
            hash.Add("sequence_max", info.SequenceMax);
            hash.Add("add_value", info.AddValue);
            return hash;
        }
    }
}