shoppingcartblbase.cs

网上鲜花销售系统 内有源码和需求分析

//注意：当前类文件由开发助手自动产生，以后每次生成代码时都将自动更新。用户不可编辑此文件的任何内容，以免被覆盖！
// This source code was auto-generated by DevHelper, on 2006-1-2 22:09:12. don't modify this file!

using System;
using System.Text;
using System.Data;
using System.Collections;
using DingHaokai.BussinessLogic;
using FlowerShop.MOD;
using FlowerShop.DAL;

namespace FlowerShop.BLL.Base
{
	public class ShoppingCartBLBase : BaseBL
	{
		/// <summary>
		/// 受保护的内部构造函数，用户不能创建该类实例，而应创建ShoppingCartBL类实例
		/// </summary>
		protected internal ShoppingCartBLBase()
		{
		}

		/// <summary>
		/// 从数据库中获取ShoppingCartDS数据集的所有数据
		/// </summary>
		/// <param name="ds">输出加载后的数据集类实例，注意此参数为out类型参数。</param>
		public virtual void GetItems(out ShoppingCartDS ds)
		{
			ds = new ShoppingCartDS();
			try
			{
				new ShoppingCartDA().Load(ds);
			}
			catch(Exception ex)
			{
				throw new BLException(ExceptionType.DataLoadFailed, ex.Message);
			}
		}

		/// <summary>
		/// 保存ShoppingCartDS数据集
		/// </summary>
		/// <param name="ds">ShoppingCartDS数据</param>
		public void Save(ShoppingCartDS ds)
		{
			int transID;
			ShoppingCartDA.BeginTrans(out transID);
			try
			{
				Save(ds, transID);
				ShoppingCartDA.CommitTrans(transID);
			}
			catch(Exception ex)
			{
				ShoppingCartDA.RollbackTrans(transID);
				throw new BLException(ExceptionType.UpdateFailed, ex.Message);
			}
		}

		/// <summary>
		/// 保存ShoppingCartDS数据集
		/// </summary>
		/// <param name="ds">ShoppingCartDS数据</param>
		/// <param name="transID">数据库事务ID</param>
		public void Save(ShoppingCartDS ds, int transID)
		{
				ShoppingCartDA da = new ShoppingCartDA();
				//
				//根据数据集中各表间的关联关系，先处理子表删除的记录
				//

				if(ds.ShoppingCart.GetChanges() != null)
					da.Update(ds.ShoppingCart, transID);
				//da.Update(ds, transID);
		}

		/// <summary>
		/// 根据枚举表数组建立相应的枚举表表名数组
		/// </summary>
		private string[] BuildDataTableNameArray(ShoppingCartDS.TableEnum[] relatedTables, params ShoppingCartDS.TableEnum[] excludeTables)
		{
			if (relatedTables != null && relatedTables.Length>0)
			{
				ArrayList relatedTableNames = new ArrayList();
				foreach (ShoppingCartDS.TableEnum relatedTable in relatedTables)
				{
					if (Array.IndexOf(excludeTables, relatedTable)<0)
					{
						relatedTableNames.Add(relatedTable.ToString());
					}
				}
				return (string[])relatedTableNames.ToArray(typeof(string));
			}
			else
			{
				return null;
			}
		}
		/// <summary>
		/// 根据RecordID获取ShoppingCart表数据及并填充关联的数据表
		/// </summary>
		/// <param name="relatedTables">指定填充关联表范围，在此范围之外的关联表将被忽略。此参数为空时将被忽略。</param>
		/// <returns>返回主键值对应的数据行</returns>
		public virtual ShoppingCartDS.ShoppingCartRow GetShoppingCart(ShoppingCartDS ds, int RecordID, params ShoppingCartDS.TableEnum[] relatedTables)
		{
			try
			{
				string[] relatedTableNames = BuildDataTableNameArray(relatedTables);
				ShoppingCartDA da = new ShoppingCartDA();
				da.LoadWithRelated(ds, da.DataTables[ShoppingCartDS.TableEnum.ShoppingCart.ToString()],"RecordID="+RecordID.ToString(), relatedTableNames);
				return ds.ShoppingCart.FindByRecordID(RecordID);
			}
			catch(Exception ex)
			{
				throw new BLException(ExceptionType.DataLoadFailed, ex.Message);
			}
		}
		/// <summary>
		/// 根据RecordID获取ShoppingCart表数据及并填充向上关联的数据表数据(不填充下级子表数据)
		/// </summary>
		/// <param name="loadParentRecursive">是否递归装载所有关联的上级(父)数据表，为false时只装载上一层关联数据表</param>
		/// <param name="relatedTables">指定填充关联表范围，在此范围之外的关联表将被忽略。此参数为空时将被忽略。</param>
		/// <returns>返回主键值对应的数据行</returns>
		public virtual ShoppingCartDS.ShoppingCartRow GetShoppingCart(ShoppingCartDS ds, int RecordID, bool loadParentRecursive, params ShoppingCartDS.TableEnum[] relatedTables)
		{
			try
			{
				string[] relatedTableNames = BuildDataTableNameArray(relatedTables);
				ShoppingCartDA da = new ShoppingCartDA();
				da.LoadWithRequired(ds, da.DataTables[ShoppingCartDS.TableEnum.ShoppingCart.ToString()],"RecordID="+RecordID.ToString(), loadParentRecursive, relatedTableNames);
				return ds.ShoppingCart.FindByRecordID(RecordID);
			}
			catch(Exception ex)
			{
				throw new BLException(ExceptionType.DataLoadFailed, ex.Message);
			}
		}
		/// <summary>
		/// 根据RecordID获取ShoppingCart表数据及并填充关联的数据表
		/// </summary>
		/// <param name="withRequired">是否装载所有关联的上级(父)数据表</param>
		/// <param name="loadRecursive">是否递归装载所有下级(子)数据表，为false时只装载关联的一级子数据表</param>
		/// <param name="relatedTables">指定填充关联表范围，在此范围之外的关联表将被忽略。此参数为空时将被忽略。</param>
		/// <returns>返回主键值对应的数据行</returns>
		public virtual ShoppingCartDS.ShoppingCartRow GetShoppingCart(ShoppingCartDS ds, int RecordID, bool withRequired, bool loadRecursive, params ShoppingCartDS.TableEnum[] relatedTables)
		{
			try
			{
				string[] relatedTableNames = BuildDataTableNameArray(relatedTables);
				ShoppingCartDA da = new ShoppingCartDA();
				da.LoadWithRelated(ds, da.DataTables[ShoppingCartDS.TableEnum.ShoppingCart.ToString()],"RecordID="+RecordID.ToString(), withRequired, loadRecursive, relatedTableNames);
				return ds.ShoppingCart.FindByRecordID(RecordID);
			}
			catch(Exception ex)
			{
				throw new BLException(ExceptionType.DataLoadFailed, ex.Message);
			}
		}
		/// <summary>
		/// 根据RecordID获取ShoppingCart表数据
		/// </summary>
		/// <returns>返回主键值对应的数据行</returns>
		public virtual ShoppingCartDS.ShoppingCartRow GetShoppingCart(ShoppingCartDS.ShoppingCartDataTable tb, int RecordID)
		{
			try
			{
				new ShoppingCartDA().Load(tb, "RecordID="+RecordID.ToString());
				return tb.FindByRecordID(RecordID);
			}
			catch(Exception ex)
			{
				throw new BLException(ExceptionType.DataLoadFailed, ex.Message);
			}
		}
		/// <summary>
		/// 获取符合条件的ShoppingCart记录并填充相关联的数据
		/// </summary>
		/// <param name="ds">接受数据填充的数据集实例(需已创建)</param>
		/// <param name="condition">条件(不带where前缀)</param>
		/// <param name="relatedTables">指定填充关联表范围，在此范围之外的关联表将被忽略。此参数为空时将被忽略。</param>
		public virtual void GetShoppingCarts(ShoppingCartDS ds, string condition, params ShoppingCartDS.TableEnum[] relatedTables)
		{
			try
			{
				string[] relatedTableNames = BuildDataTableNameArray(relatedTables);
				ShoppingCartDA da = new ShoppingCartDA();
				da.LoadWithRelated(ds, da.DataTables[ShoppingCartDS.TableEnum.ShoppingCart.ToString()], condition, relatedTableNames);
			}
			catch(Exception ex)
			{
				throw new BLException(ExceptionType.DataLoadFailed, ex.Message);
			}
		}

		/// <summary>
		/// 获取符合条件的ShoppingCart记录并填充向上关联的数据表数据(不填充下级子表数据)
		/// </summary>
		/// <param name="ds">接受数据填充的数据集实例(需已创建)</param>
		/// <param name="condition">条件(不带where前缀)</param>
		/// <param name="loadParentRecursive">是否递归装载所有关联的上级(父)数据表，为false时只装载上一层关联数据表</param>
		/// <param name="relatedTables">指定填充关联表范围，在此范围之外的关联表将被忽略。此参数为空时将被忽略。</param>
		public virtual void GetShoppingCarts(ShoppingCartDS ds, string condition, bool loadParentRecursive, params ShoppingCartDS.TableEnum[] relatedTables)
		{
			try
			{
				string[] relatedTableNames = BuildDataTableNameArray(relatedTables);
				ShoppingCartDA da = new ShoppingCartDA();
				da.LoadWithRequired(ds, da.DataTables[ShoppingCartDS.TableEnum.ShoppingCart.ToString()], condition, loadParentRecursive, relatedTableNames);
			}
			catch(Exception ex)
			{
				throw new BLException(ExceptionType.DataLoadFailed, ex.Message);
			}
		}

		/// <summary>
		/// 获取符合条件的ShoppingCart记录并填充相关联的数据
		/// </summary>
		/// <param name="ds">接受数据填充的数据集实例(需已创建)</param>
		/// <param name="condition">条件(不带where前缀)</param>
		/// <param name="withRequired">是否装载所有关联的上级(父)数据表</param>
		/// <param name="loadRecursive">是否递归装载所有下级(子)数据表，为false时只装载关联的一级子数据表</param>
		/// <param name="relatedTables">指定填充关联表范围，在此范围之外的关联表将被忽略。此参数为空时将被忽略。</param>
		public virtual void GetShoppingCarts(ShoppingCartDS ds, string condition, bool withRequired, bool loadRecursive, params ShoppingCartDS.TableEnum[] relatedTables)
		{
			try
			{
				string[] relatedTableNames = BuildDataTableNameArray(relatedTables);
				ShoppingCartDA da = new ShoppingCartDA();
				da.LoadWithRelated(ds, da.DataTables[ShoppingCartDS.TableEnum.ShoppingCart.ToString()], condition, withRequired, loadRecursive, relatedTableNames);
			}
			catch(Exception ex)
			{
				throw new BLException(ExceptionType.DataLoadFailed, ex.Message);
			}
		}

		/// <summary>
		/// 获取符合条件的ShoppingCart记录
		/// </summary>
		/// <param name="tb">接受数据填充的数据表(需已创建)</param>
		/// <param name="condition">条件(不带where前缀)</param>
		public virtual void GetShoppingCarts(ShoppingCartDS.ShoppingCartDataTable tb, string condition)
		{
			try
			{
				ShoppingCartDA da = new ShoppingCartDA();
				da.Load(tb, condition);
			}
			catch(Exception ex)
			{
				throw new BLException(ExceptionType.DataLoadFailed, ex.Message);
			}
		}

	}//end of class
}//end of namespace