using System;
using System.Data;
using System.Data.SqlClient;
using System.Collections;
using AIMSModel;
using AIMSObjectQuery;
using System.Collections.Generic;

namespace AIMSDAL
{
    internal partial class DStockPile
	{
	    #region 插入实体操作部份
	    /// <summary>
        /// 插入
        /// </summary>
		/// <param name="cmd">Command对象</param>
        /// <param name="stockPile">实体类对象</param>
        /// <returns>标识列值或影响的记录行数</returns>
		internal static int Insert(SqlCommand cmd, StockPile stockPile)
		{
		    cmd.Parameters.Clear();
			cmd.CommandText = "insert into StockPile (DepId,ItemId,Amount,BarCode,BatchNo,DisableDate,IsValid) values (@DepId,@ItemId,@Amount,@BarCode,@BatchNo,@DisableDate,@IsValid);select @@identity";
			//从实体中取出值放入Command的参数列表
			cmd.Parameters.Add(new SqlParameter("@DepId",stockPile.DepId.HasValue?(object)stockPile.DepId.Value:(object)DBNull.Value));
			cmd.Parameters.Add(new SqlParameter("@ItemId",stockPile.ItemId.HasValue?(object)stockPile.ItemId.Value:(object)DBNull.Value));
			cmd.Parameters.Add(new SqlParameter("@Amount",stockPile.Amount.HasValue?(object)stockPile.Amount.Value:(object)DBNull.Value));
			cmd.Parameters.Add(new SqlParameter("@BarCode",stockPile.BarCode==null?(object)DBNull.Value:(object)stockPile.BarCode));
			cmd.Parameters.Add(new SqlParameter("@BatchNo",stockPile.BatchNo==null?(object)DBNull.Value:(object)stockPile.BatchNo));
			cmd.Parameters.Add(new SqlParameter("@DisableDate",stockPile.DisableDate.HasValue?(object)stockPile.DisableDate.Value:(object)DBNull.Value));
			cmd.Parameters.Add(new SqlParameter("@IsValid",stockPile.IsValid.HasValue?(object)stockPile.IsValid.Value:(object)DBNull.Value));
			return Convert.ToInt32(cmd.ExecuteScalar());
		}
	    /// <summary>
        /// 不使用事务的插入方法
        /// </summary>
        /// <param name="stockPile">实体类对象</param>
        /// <returns>标识列值或影响的记录行数</returns>
	    internal static int Insert(StockPile stockPile)
		{
			using(SqlConnection conn=new SqlConnection(Connection.ConnectionString))
			{
				conn.Open();
                using (SqlCommand cmd = conn.CreateCommand())
                {
                    return Insert(cmd, stockPile);
                }
			}
		}
		
		/// <summary>
        /// 使用事务的插入方法
        /// </summary>
        /// <param name="connection">实现共享Connection的对象</param>
        /// <param name="stockPile">实体类对象</param>
        /// <returns>标识列值或影响的记录行数</returns>
        internal static int Insert(Connection connection,StockPile stockPile)
        {
            return Insert(connection.Command, stockPile);
        }
		#endregion
		
		#region 删除实体操作
		
		/// <summary>
        /// 删除
        /// </summary>
		/// <param name="cmd">Command对象</param>
        /// <param name="stockPile">实体类对象</param>
        /// <returns>影响的记录行数</returns>
		internal static int ExcuteDeleteCommand(SqlCommand cmd, StockPile stockPile)
        {
			cmd.Parameters.Clear();
            cmd.CommandText = "delete from StockPile where Id=@Id";
            //从实体中取出值放入Command的参数列表
		    cmd.Parameters.Add(new SqlParameter("@Id", stockPile.Id));
            return cmd.ExecuteNonQuery();
        }
		/// <summary>
        /// 不使用事务的删除方法
        /// </summary>
        /// <param name="stockPile">实体类对象</param>
        /// <returns>影响的记录行数</returns>
        internal static int Delete(StockPile stockPile)
        {
            using (SqlConnection conn = new SqlConnection(Connection.ConnectionString))
            {
                conn.Open();
                using (SqlCommand cmd = conn.CreateCommand())
                {
                    return ExcuteDeleteCommand(cmd, stockPile);
                }
            }
        }
		/// <summary>
        /// 使用事务的删除方法
        /// </summary>
        /// <param name="connection">实现共享Connection的对象</param>
        /// <param name="stockPile">实体类对象</param>
        /// <returns>影响的记录行数</returns>
        internal static int Delete(Connection connection,StockPile stockPile)
        {
            return  ExcuteDeleteCommand(connection.Command, stockPile);
		}
		
		/// <summary>
        /// 执行删除命令
        /// </summary>
        /// <param name="cmd">Command对象</param>
        /// <param name="oql">对象查询语句</param>
        /// <param name="parameters">参数列表</param>
        /// <returns>影响的记录行数</returns>
        internal static int ExcuteDeleteCommand(SqlCommand cmd, string oql, ParameterList parameters)
        {
            //解析过滤部份Sql语句
            string filterString = SyntaxAnalyzer.ParseSql(oql, new StockPileMap());
            if (filterString != string.Empty)
            {
                filterString = " where " + filterString;
            }
            cmd.Parameters.Clear();
            cmd.CommandText = "delete from StockPile " + filterString;
            //添加参数
            if (parameters != null)
            {
                foreach (string key in parameters.Keys)
                {
                    cmd.Parameters.Add(new SqlParameter(key, parameters[key]));
                }
            }
            return cmd.ExecuteNonQuery();
        }
		
		/// <summary>
        /// 不使用事务的删除方法
        /// </summary>
        /// <param name="oql">对象查询语句</param>
        /// <param name="parameters">参数列表</param>
        /// <returns>影响的记录行数</returns>
        internal static int Delete(string oql, ParameterList parameters)
        {
            using (SqlConnection conn = new SqlConnection(Connection.ConnectionString))
            {
                conn.Open();
                using (SqlCommand cmd = conn.CreateCommand())
                {
                    return ExcuteDeleteCommand(cmd, oql, parameters);
                }
            }
        }
		
		/// <summary>
        /// 使用事务的删除方法
        /// </summary>
        /// <param name="connection">实现共享Connection的对象</param>
        /// <param name="oql">对象查询语句</param>
        /// <param name="parameters">参数列表</param>
        /// <returns>影响的记录行数</returns>
        internal static int Delete(Connection connection, string oql, ParameterList parameters)
        {
            return ExcuteDeleteCommand(connection.Command, oql, parameters);
        }
		
		#endregion
		
		#region 更新实体操作
		
		/// <summary>
        /// 更新
        /// </summary>
		/// <param name="cmd">Command对象</param>
        /// <param name="stockPile">实体类对象</param>
        /// <returns>影响的记录行数</returns>
		internal static int ExcuteUpdateCommand(SqlCommand cmd, StockPile stockPile)
		{
		    cmd.CommandText = "update StockPile set DepId=@DepId,ItemId=@ItemId,Amount=@Amount,BarCode=@BarCode,BatchNo=@BatchNo,DisableDate=@DisableDate,IsValid=@IsValid where Id=@Id";
			//从实体中取出值放入Command的参数列表
			cmd.Parameters.Add(new SqlParameter("@DepId",stockPile.DepId.HasValue?(object)stockPile.DepId.Value:(object)DBNull.Value));
			cmd.Parameters.Add(new SqlParameter("@ItemId",stockPile.ItemId.HasValue?(object)stockPile.ItemId.Value:(object)DBNull.Value));
			cmd.Parameters.Add(new SqlParameter("@Amount",stockPile.Amount.HasValue?(object)stockPile.Amount.Value:(object)DBNull.Value));
			cmd.Parameters.Add(new SqlParameter("@BarCode",stockPile.BarCode==null?(object)DBNull.Value:(object)stockPile.BarCode));
			cmd.Parameters.Add(new SqlParameter("@BatchNo",stockPile.BatchNo==null?(object)DBNull.Value:(object)stockPile.BatchNo));
			cmd.Parameters.Add(new SqlParameter("@DisableDate",stockPile.DisableDate.HasValue?(object)stockPile.DisableDate.Value:(object)DBNull.Value));
			cmd.Parameters.Add(new SqlParameter("@IsValid",stockPile.IsValid.HasValue?(object)stockPile.IsValid.Value:(object)DBNull.Value));
			cmd.Parameters.Add(new SqlParameter("@Id", stockPile.Id));
            return cmd.ExecuteNonQuery();
		}
		
		/// <summary>
        /// 不使用事务的更新方法
        /// </summary>
        /// <param name="stockPile">实体类对象</param>
        /// <returns>影响的记录行数</returns>
	    internal static int Update(StockPile stockPile)
		{
			using(SqlConnection conn=new SqlConnection(Connection.ConnectionString))
			{
				conn.Open();
                using (SqlCommand cmd = conn.CreateCommand())
                {
                    return ExcuteUpdateCommand(cmd, stockPile);
                }
			}
		}
		/// <summary>
        /// 使用事务的更新方法
        /// </summary>
        /// <param name="connection">实现共享Connection的对象</param>
        /// <param name="stockPile">实体类对象</param>
        /// <returns>影响的记录行数</returns>
        internal static int Update(Connection connection,StockPile stockPile)
        {
            return ExcuteUpdateCommand(connection.Command, stockPile);
		}
		/// <summary>
        /// 执行更新命令
        /// </summary>
        /// <param name="cmd">Command对象</param>
        /// <param name="oql">对象查询语句</param>
        /// <param name="parameters">参数列表</param>
        /// <returns>影响的记录行数</returns>
        internal static int ExcuteUpdateCommand(SqlCommand cmd, string oql, ParameterList parameters)
        {
            //解析过滤部份Sql语句
            string updateString = SyntaxAnalyzer.ParseSql(oql, new StockPileMap());
            cmd.CommandText = "update StockPile set " + updateString;
			cmd.Parameters.Clear();
            //添加参数
            if (parameters != null)
            {
                foreach (string key in parameters.Keys)
                {
                    cmd.Parameters.Add(new SqlParameter(key, parameters[key]));
                }
            }
            return cmd.ExecuteNonQuery();
        }
		
		/// <summary>
        /// 不使用事务的更新方法
        /// </summary>
        /// <param name="oql">对象查询语句</param>
        /// <param name="parameters">参数列表</param>
        /// <returns>影响的记录行数</returns>
        internal static int Update(string oql, ParameterList parameters)
        {
            using (SqlConnection conn = new SqlConnection(Connection.ConnectionString))
            {
                conn.Open();
                using (SqlCommand cmd = conn.CreateCommand())
                {
                    return ExcuteUpdateCommand(cmd, oql, parameters);
                }
            }
        }
		
		/// <summary>
        /// 使用事务的更新方法
        /// </summary>
        /// <param name="connection">实现共享Connection的对象</param>
        /// <param name="oql">对象查询语句</param>
        /// <param name="parameters">参数列表</param>
        /// <returns>影响的记录行数</returns>
        internal static int Update(Connection connection, string oql, ParameterList parameters)
        {
            return ExcuteUpdateCommand(connection.Command, oql, parameters);
        }
		#endregion
		
		#region 查询实体集合
		/// <summary>
        /// 执行Command获取对象列表
        /// </summary>
        /// <param name="cmd">Command对象</param>
		/// <param name="recursiveType">递归类型</param>
        /// <param name="recursiveDepth">递归深度</param>
        /// <returns>实体类对象列表</returns>
        internal static List<StockPile> ExcuteSelectCommand(SqlCommand cmd,RecursiveType recursiveType,int recursiveDepth)
        {
            List<StockPile> stockPileList = new List<StockPile>();
            using (SqlDataReader dr = cmd.ExecuteReader())
            {
                while (dr.Read())
                {
                    StockPile stockPile = DataReaderToEntity(dr);
                    stockPileList.Add(stockPile);
                }
            }
			return stockPileList;
        }
		/// <summary>
        /// 执行查询命令
        /// </summary>
        /// <param name="cmd">Command对象</param>
        /// <param name="oql">对象查询语句</param>
        /// <param name="parameters">参数列表</param>
		/// <param name="recursiveType">递归类型</param>
        /// <param name="recursiveDepth">递归深度</param>
        /// <returns>实体类对象集合</returns>
        internal static List<StockPile> ExcuteSelectCommand(SqlCommand cmd, string oql, ParameterList parameters,RecursiveType recursiveType,int recursiveDepth)
        {
            //解析过滤部份Sql语句
            string filterString = SyntaxAnalyzer.ParseSql(oql, new StockPileMap());
            if (filterString != string.Empty)
            {
				if(filterString.Trim().ToLower().IndexOf("order ")!=0)
                	filterString = " where " + filterString;
            }
            cmd.Parameters.Clear();
            cmd.CommandText = "select * from StockPile " + filterString;
            //添加参数
            if (parameters != null)
            {
                foreach (string key in parameters.Keys)
                {
                    cmd.Parameters.Add(new SqlParameter(key, parameters[key]));
                }
            }
            return ExcuteSelectCommand(cmd, recursiveType, recursiveDepth);
        }
		
		/// <summary>
        /// 根据对象查询语句查询实体集合
        /// </summary>
        /// <returns>实体类对象集合</returns>
        internal static List<StockPile> Select()
        {
			using(SqlConnection conn=new SqlConnection(Connection.ConnectionString))
            {
                conn.Open();
                using (SqlCommand cmd = conn.CreateCommand())
                {
                    cmd.CommandText = "select * from StockPile";
                    return ExcuteSelectCommand(cmd, RecursiveType.Parent, 1);
                }
            }
        }
		/// <summary>
        /// 根据对象查询语句查询实体集合
        /// </summary>
		/// <param name="recursiveType">递归类型</param>
        /// <param name="recursiveDepth">递归深度</param>
        /// <returns>实体类对象集合</returns>
        internal static List<StockPile> Select(RecursiveType recursiveType, int recursiveDepth)
        {
			using(SqlConnection conn=new SqlConnection(Connection.ConnectionString))
            {
                conn.Open();
                using (SqlCommand cmd = conn.CreateCommand())
                {
                    cmd.CommandText = "select * from StockPile";
                    return ExcuteSelectCommand(cmd, recursiveType, recursiveDepth);
                }
            }
        }
		
		/// <summary>
        /// 根据对象查询语句查询实体集合
        /// </summary>
        /// <param name="oql">对象查询语句</param>
        /// <param name="parameters">参数列表</param>
        /// <returns>实体类对象集合</returns>
        internal static List<StockPile> Select(string oql, ParameterList parameters)
        {
			using(SqlConnection conn=new SqlConnection(Connection.ConnectionString))
            {
                conn.Open();
                using (SqlCommand cmd = conn.CreateCommand())
                {
                    return ExcuteSelectCommand(cmd, oql, parameters, RecursiveType.Parent, 1);
                }
            }
        }
		
		/// <summary>
        /// 根据对象查询语句查询实体集合
        /// </summary>
        /// <param name="oql">对象查询语句</param>
        /// <param name="parameters">参数列表</param>
		/// <param name="recursiveType">递归类型</param>
        /// <param name="recursiveDepth">递归深度</param>
        /// <returns>实体类对象集合</returns>
        internal static List<StockPile> Select(string oql, ParameterList parameters,RecursiveType recursiveType, int recursiveDepth)
        {
			using(SqlConnection conn=new SqlConnection(Connection.ConnectionString))
            {
                conn.Open();
                using (SqlCommand cmd = conn.CreateCommand())
                {
                    return ExcuteSelectCommand(cmd, oql, parameters, recursiveType, recursiveDepth);
                }
            }
        }
		
		/// <summary>
        /// 根据对象查询语句查询实体集合（启用事务）
        /// </summary>
        /// <param name="connection">连接对象</param>
        /// <param name="oql">对象查询语句</param>
        /// <param name="parameters">参数列表</param>
		/// <param name="recursiveType">递归类型</param>
        /// <param name="recursiveDepth">递归深度</param>
        /// <returns>实体类对象集合</returns>
        internal static List<StockPile> Select(Connection connection, string oql, ParameterList parameters, RecursiveType recursiveType, int recursiveDepth)
        {
            return ExcuteSelectCommand(connection.Command, oql, parameters,recursiveType, recursiveDepth);
        }
		#endregion
		
		#region 查询单个实体
		
		/// <summary>
        /// 递归查询单个实体
        /// </summary>
        /// <param name="cmd">Command对象</param>
		/// <param name="recursiveType">递归类型</param>
        /// <param name="recursiveDepth">递归深度</param>
        /// <returns>实体对象</returns>
		internal static StockPile ExcuteSelectSingleCommand(SqlCommand cmd,RecursiveType recursiveType,int recursiveDepth)
		{
			StockPile stockPile=null;
			using (SqlDataReader dr = cmd.ExecuteReader())
            {
			    if(dr.Read())
				    stockPile = DataReaderToEntity(dr);
			}
			if(stockPile==null)
			    return stockPile;
            return stockPile;
		}
		/// <summary>
        /// 更据对象查询语句递归查询单个实体
        /// </summary>
        /// <param name="cmd">Command对象</param>
        /// <param name="oql">对象查询语句</param>
        /// <param name="parameters">参数列表</param>
		/// <param name="recursiveType">递归类型</param>
        /// <param name="recursiveDepth">递归深度</param>
        /// <returns>实体对象</returns>
        internal static StockPile ExcuteSelectSingleCommand(SqlCommand cmd, string oql, ParameterList parameters,RecursiveType recursiveType,int recursiveDepth)
        {
            //解析过滤部份Sql语句
            string filterString = SyntaxAnalyzer.ParseSql(oql, new StockPileMap());
			if(filterString!=string.Empty)
			{
			    filterString=" where "+filterString;
			}
            cmd.CommandText = "select * from StockPile " + filterString;
			cmd.Parameters.Clear();
            //添加参数
            if (parameters != null)
            {
                foreach (string key in parameters.Keys)
                {
                    cmd.Parameters.Add(new SqlParameter(key, parameters[key]));
                }
            }
            return ExcuteSelectSingleCommand(cmd, recursiveType, recursiveDepth);
        }
				
		/// <summary>
        /// 更据对象查询语句递归查询单个实体
        /// </summary>
        /// <param name="cmd">Command对象</param>
        /// <param name="oql">对象查询语句</param>
        /// <param name="parameters">参数列表</param>
		/// <param name="recursiveType">递归类型</param>
        /// <param name="recursiveDepth">递归深度</param>
        /// <returns>实体对象</returns>
        internal static StockPile SelectSingle(string oql, ParameterList parameters, RecursiveType recursiveType, int recursiveDepth)
        {
            using(SqlConnection conn=new SqlConnection(Connection.ConnectionString))
            {
                conn.Open();
                using (SqlCommand cmd = conn.CreateCommand())
                {
                    return ExcuteSelectSingleCommand(cmd, oql, parameters, recursiveType, recursiveDepth);
                }   
            } 
        }
		
		/// <summary>
        /// 更据对象查询语句查询单个实体
        /// </summary>
        /// <param name="cmd">Command对象</param>
        /// <param name="oql">对象查询语句</param>
        /// <param name="parameters">参数列表</param>
        /// <returns>实体对象</returns>
        internal static StockPile SelectSingle(string oql, ParameterList parameters)
        {
            return SelectSingle(oql,parameters,RecursiveType.Parent,1);
        }
		
		/// <summary>
        /// 更据对象查询语句并启用事务查询单个实体
        /// </summary>
        /// <param name="connection">连接对象</param>
        /// <param name="oql">对象查询语句</param>
        /// <param name="parameters">参数列表</param>
        /// <returns>实体对象</returns>
        internal static StockPile SelectSingle(Connection connection, string oql, ParameterList parameters, RecursiveType recursiveType, int recursiveDepth)
        {
            return ExcuteSelectSingleCommand(connection.Command, oql, parameters, recursiveType, recursiveDepth);
        }
		
		/// <summary>
        /// 更据主键值递归查询单个实体
        /// </summary>
        /// <param name="cmd">Command对象</param>
        /// <param name="id">主键值</param>
		/// <param name="recursiveType">递归类型</param>
        /// <param name="recursiveDepth">递归深度</param>
        /// <returns>实体对象</returns>
        internal static StockPile SelectSingle(SqlCommand cmd, int? id,RecursiveType recursiveType,int recursiveDepth)
		{
		    cmd.Parameters.Clear();
			if(id.HasValue)
			{
		    	cmd.CommandText = "select * from StockPile where Id=@pk";
				cmd.Parameters.Add(new SqlParameter("@pk",id.Value));
			}
			else
			{
			    cmd.CommandText = "select * from StockPile where Id is null";
			}
			return ExcuteSelectSingleCommand(cmd, recursiveType, recursiveDepth);
		}
		
		/// <summary>
        /// 按主键字段查询特定实体
        /// </summary>
        /// <param name="id">主键值</param>
        /// <returns>实体类对象</returns>
        internal static StockPile SelectSingle(int? id)
        {
            using(SqlConnection conn=new SqlConnection(Connection.ConnectionString))
            {
                conn.Open();
                using (SqlCommand cmd = conn.CreateCommand())
                {
                    return SelectSingle(cmd,id,RecursiveType.Parent,1);
                }   
            } 
        }
		/// <summary>
        /// 按主键字段查询特定实体
        /// </summary>
        /// <param name="id">主键值</param>
		/// <param name="recursiveType">递归类型</param>
        /// <param name="recursiveDepth">递归深度</param>
        /// <returns>实体类对象</returns>
        internal static StockPile SelectSingle(int? id, RecursiveType recursiveType, int recursiveDepth)
        {
            using(SqlConnection conn=new SqlConnection(Connection.ConnectionString))
            {
                conn.Open();
                using (SqlCommand cmd = conn.CreateCommand())
                {
                    return SelectSingle(cmd,id, recursiveType, recursiveDepth);
                }   
            } 
        }
		
		/// <summary>
        /// 使用事务并按主键字段查询特定实体
        /// </summary>
		/// <param name="connection">连接对象</param>
        /// <param name="id">主键值</param>
        /// <returns>实体类对象</returns>
        internal static StockPile SelectSingle(Connection connection,int? id, RecursiveType recursiveType, int recursiveDepth)
        {
			return SelectSingle(connection.Command, id, recursiveType, recursiveDepth);
        }
		#endregion
		
				
		/// <summary>
        /// 从DataReader中取出值生成实体对象
        /// </summary>
        /// <param name="searcher">查询对象</param>
        /// <returns>过滤条件字符串</returns>
		private static StockPile DataReaderToEntity(SqlDataReader dr)
		{
		    StockPile entity = new StockPile ();
			if(dr["Id"]!=System.DBNull.Value)
			{
			    entity.Id=Convert.ToInt32(dr["Id"]);
			}
			if(dr["DepId"]!=System.DBNull.Value)
			{
			    entity.DepId=Convert.ToInt32(dr["DepId"]);
			}
			if(dr["ItemId"]!=System.DBNull.Value)
			{
			    entity.ItemId=Convert.ToInt32(dr["ItemId"]);
			}
			if(dr["Amount"]!=System.DBNull.Value)
			{
			    entity.Amount=Convert.ToInt32(dr["Amount"]);
			}
			if(dr["BarCode"]!=System.DBNull.Value)
			{
			    entity.BarCode=dr["BarCode"].ToString();
			}
			if(dr["BatchNo"]!=System.DBNull.Value)
			{
			    entity.BatchNo=dr["BatchNo"].ToString();
			}
			if(dr["DisableDate"]!=System.DBNull.Value)
			{
			    entity.DisableDate=Convert.ToDateTime(dr["DisableDate"]);
			}
			if(dr["IsValid"]!=System.DBNull.Value)
			{
			    entity.IsValid=Convert.ToInt32(dr["IsValid"]);
			}
			return entity;
		}
	}
}