必须填写至少10个字的日志
nnhy authored at 2012-07-27 18:48:21
12.58 KiB
X
/*
 * XCoder v4.3.2011.0915
 * 作者:nnhy/NEWLIFE
 * 时间:2011-09-28 10:48:51
 * 版权:版权所有 (C) 新生命开发团队 2011
*/
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Text;
using System.Xml.Serialization;
using XCode;
using XCode.Configuration;

namespace NewLife.YWS.Entities
{
    /// <summary>客户</summary>
    public partial class Customer : YWSEntityBase<Customer>
    {
        #region 扩展属性

        [NonSerialized]
		private EntityList<Feedliquor> _Feedliquors;
		/// <summary>该客户所拥有的液料规格集合</summary>
		[XmlIgnore]
		public EntityList<Feedliquor> Feedliquors
		{
			get
			{
				if (_Feedliquors == null && ID > 0 && !Dirtys.ContainsKey("Feedliquors"))
                {
					_Feedliquors = Feedliquor.FindAllByCustomerID(ID);
					Dirtys["Feedliquors"] = true;
				}
				return _Feedliquors;
			}
			set { _Feedliquors = value; }
		}

        [NonSerialized]
        private CustomerType _CustomerType;
        /// <summary>该客户所对应的客户类型</summary>
        [XmlIgnore]
        public CustomerType CustomerType
        {
            get
            {
                if (_CustomerType == null && CustomerTypeID > 0 && !Dirtys.ContainsKey("CustomerType"))
                {
                    _CustomerType = CustomerType.FindByID(CustomerTypeID);
                    Dirtys["CustomerType"] = true;
                }
                return _CustomerType;
            }
            set { _CustomerType = value; }
        }

        [NonSerialized]
		private EntityList<Record> _Records;
		/// <summary>该客户所拥有的交易记录集合</summary>
		[XmlIgnore]
		public EntityList<Record> Records
		{
			get
			{
				if (_Records == null && ID > 0 && !Dirtys.ContainsKey("Records"))
                {
					_Records = Record.FindAllByCustomerID(ID);
					Dirtys["Records"] = true;
				}
				return _Records;
			}
			set { _Records = value; }
		}

        [NonSerialized]
		private EntityList<Maintenance> _Maintenances;
		/// <summary>该客户所拥有的维修保养记录集合</summary>
		[XmlIgnore]
		public EntityList<Maintenance> Maintenances
		{
			get
			{
				if (_Maintenances == null && ID > 0 && !Dirtys.ContainsKey("Maintenances"))
                {
					_Maintenances = Maintenance.FindAllByCustomerID(ID);
					Dirtys["Maintenances"] = true;
				}
				return _Maintenances;
			}
			set { _Maintenances = value; }
		}

        [NonSerialized]
		private EntityList<Machine> _Machines;
		/// <summary>该客户所拥有的机器零件规格集合</summary>
		[XmlIgnore]
		public EntityList<Machine> Machines
		{
			get
			{
				if (_Machines == null && ID > 0 && !Dirtys.ContainsKey("Machines"))
                {
					_Machines = Machine.FindAllByCustomerID(ID);
					Dirtys["Machines"] = true;
				}
				return _Machines;
			}
			set { _Machines = value; }
		}
        #endregion

        #region 扩展查询
        /// <summary>根据主键查询一个客户实体对象用于表单编辑</summary>
        /// <param name="id">编号</param>
        /// <returns></returns>
        [DataObjectMethod(DataObjectMethodType.Select, false)]
        public static Customer FindByKeyForEdit(Int32 id)
        {
            Customer entity = Find(new String[] { _.ID }, new Object[] { id });
            if (entity == null)
            {
                entity = new Customer();
            }
            return entity;
        }

        /// <summary>根据客户编号查找</summary>
        /// <param name="no">客户编号</param>
        /// <returns></returns>
        [DataObjectMethod(DataObjectMethodType.Select, false)]
        public static Customer FindByNo(String no)
        {
            if (Meta.Count >= 1000)
                return Find(new String[] { _.No }, new Object[] { no });
            else // 实体缓存
                return Meta.Cache.Entities.Find(_.No, no);
            // 单对象缓存
            //return Meta.SingleCache[no];
        }

        /// <summary>根据名称查找</summary>
        /// <param name="name">名称</param>
        /// <returns></returns>
        [DataObjectMethod(DataObjectMethodType.Select, false)]
        public static Customer FindByName(String name)
        {
            if (Meta.Count >= 1000)
                return Find(new String[] { _.Name }, new Object[] { name });
            else // 实体缓存
                return Meta.Cache.Entities.Find(_.Name, name);
            // 单对象缓存
            //return Meta.SingleCache[name];
        }

        /// <summary>根据编号查找</summary>
        /// <param name="id">编号</param>
        /// <returns></returns>
        [DataObjectMethod(DataObjectMethodType.Select, false)]
        public static Customer FindByID(Int32 id)
        {
            if (Meta.Count >= 1000)
                return Find(new String[] { _.ID }, new Object[] { id });
            else // 实体缓存
                return Meta.Cache.Entities.Find(_.ID, id);
            // 单对象缓存
            //return Meta.SingleCache[id];
        }

        /// <summary>根据类别查找</summary>
        /// <param name="customertypeid">类别</param>
        /// <returns></returns>
        [DataObjectMethod(DataObjectMethodType.Select, false)]
        public static EntityList<Customer> FindAllByCustomerTypeID(Int32 customertypeid)
        {
            if (Meta.Count >= 1000)
                return FindAll(new String[] { _.CustomerTypeID }, new Object[] { customertypeid });
            else // 实体缓存
                return Meta.Cache.Entities.FindAll(_.CustomerTypeID, customertypeid);
        }
        #endregion

        #region 对象操作
        ///// <summary>
        ///// 已重载。基类先调用Valid(true)验证数据,然后在事务保护内调用OnInsert
        ///// </summary>
        ///// <returns></returns>
        //public override Int32 Insert()
        //{
        //    return base.Insert();
        //}

        ///// <summary>
        ///// 已重载。在事务保护范围内处理业务,位于Valid之后
        ///// </summary>
        ///// <returns></returns>
        //protected override Int32 OnInsert()
        //{
        //    return base.OnInsert();
        //}

        ///// <summary>
        ///// 验证数据,通过抛出异常的方式提示验证失败。
        ///// </summary>
        ///// <param name="isNew"></param>
        //public override void Valid(Boolean isNew)
        //{
        //    // 建议先调用基类方法,基类方法会对唯一索引的数据进行验证
        //    base.Valid(isNew);

        //    // 这里验证参数范围,建议抛出参数异常,指定参数名,前端用户界面可以捕获参数异常并聚焦到对应的参数输入框
        //    if (String.IsNullOrEmpty(_.Name)) throw new ArgumentNullException(_.Name, _.Name.Description + "无效!");
        //    if (!isNew && ID < 1) throw new ArgumentOutOfRangeException(_.ID, _.ID.Description + "必须大于0!");

        //    // 在新插入数据或者修改了指定字段时进行唯一性验证,CheckExist内部抛出参数异常
        //    if (isNew || Dirtys[_.Name]) CheckExist(_.Name);
        //    if (isNew || Dirtys[_.Name] || Dirtys[_.DbType]) CheckExist(_.Name, _.DbType);
        //    if ((isNew || Dirtys[_.Name]) && Exist(_.Name)) throw new ArgumentException(_.Name, "值为" + Name + "的" + _.Name.Description + "已存在!");
        //}

        ///// <summary>
        ///// 已重载。删除关联数据
        ///// </summary>
        ///// <returns></returns>
        //protected override int OnDelete()
        //{
        //    if (Feedliquors != null) Feedliquors.Delete();
        //    if (Maintenances != null) Maintenances.Delete();
        //    if (Machines != null) Machines.Delete();
        //    if (Records != null) Records.Delete();

        //    return base.OnDelete();
        //}

        ///// <summary>
        ///// 首次连接数据库时初始化数据,仅用于实体类重载,用户不应该调用该方法
        ///// </summary>
        //[EditorBrowsable(EditorBrowsableState.Never)]
        //protected override void InitData()
        //{
        //    base.InitData();

        //    // InitData一般用于当数据表没有数据时添加一些默认数据,该实体类的任何第一次数据库操作都会触发该方法,默认异步调用
        //    // Meta.Count是快速取得表记录数
        //    if (Meta.Count > 0) return;

        //    // 需要注意的是,如果该方法调用了其它实体类的首次数据库操作,目标实体类的数据初始化将会在同一个线程完成
        //    if (XTrace.Debug) XTrace.WriteLine("开始初始化{0}管理员数据……", typeof(TEntity).Name);

        //    TEntity user = new TEntity();
        //    user.Name = "admin";
        //    user.Password = DataHelper.Hash("admin");
        //    user.DisplayName = "管理员";
        //    user.RoleID = 1;
        //    user.IsEnable = true;
        //    user.Insert();

        //    if (XTrace.Debug) XTrace.WriteLine("完成初始化{0}管理员数据!", typeof(TEntity).Name);
        //}
        #endregion

        #region 高级查询
        /// <summary>查询满足条件的记录集,分页、排序</summary>
        /// <param name="name"></param>
        /// <param name="orderClause">排序,不带Order By</param>
        /// <param name="startRowIndex">开始行,0开始</param>
        /// <param name="maximumRows">最大返回行数</param>
        /// <returns>实体集</returns>
        [DataObjectMethod(DataObjectMethodType.Select, true)]
        public static EntityList<Customer> Search(String name, String depart, String linkman, String orderClause, Int32 startRowIndex, Int32 maximumRows)
        {
            return FindAll(SearchWhere(name, depart, linkman), orderClause, null, startRowIndex, maximumRows);
        }

        /// <summary>查询满足条件的记录总数,分页和排序无效,带参数是因为ObjectDataSource要求它跟Search统一</summary>
        /// <param name="name"></param>
        /// <param name="orderClause">排序,不带Order By</param>
        /// <param name="startRowIndex">开始行,0开始</param>
        /// <param name="maximumRows">最大返回行数</param>
        /// <returns>记录数</returns>
        public static Int32 SearchCount(String name, String depart, String linkman, String orderClause, Int32 startRowIndex, Int32 maximumRows)
        {
            return FindCount(SearchWhere(name, depart, linkman), null, null, 0, 0);
        }

        /// <summary>构造搜索条件</summary>
        /// <param name="name"></param>
        /// <returns></returns>
        private static String SearchWhere(String name, String depart, String linkman)
        {
            StringBuilder sb = new StringBuilder();
            sb.Append("1=1");

            if (!String.IsNullOrEmpty(name)) sb.AppendFormat(" And {0} like '%{1}%'", _.Name, name.Replace("'", "''"));
            if (!String.IsNullOrEmpty(depart)) sb.AppendFormat(" And {0} like '%{1}%'", _.Department, depart.Replace("'", "''"));
            if (!String.IsNullOrEmpty(linkman)) sb.AppendFormat(" And {0} like '%{1}%'", _.Linkman, linkman.Replace("'", "''"));

            if (sb.ToString() == "1=1")
                return null;
            else
                return sb.ToString();
        }

        /// <summary>构造搜索条件</summary>
        /// <param name="key">关键字</param>
        /// <returns></returns>
        private static String SearchWhere(String key)
        {
            // WhereExpression重载&和|运算符,作为And和Or的替代
            WhereExpression exp = new WhereExpression();

            // SearchWhereByKeys系列方法用于构建针对字符串字段的模糊搜索
            if (!String.IsNullOrEmpty(key)) SearchWhereByKeys(exp.Builder, key);

            // 以下仅为演示,2、3行是同一个意思的不同写法,FieldItem重载了等于以外的运算符(第4行)
            //exp &= _.Name.Equal("testName")
            //    & !String.IsNullOrEmpty(key) & _.Name.Equal(key)
            //    .AndIf(!String.IsNullOrEmpty(key), _.Name.Equal(key))
            //    | _.ID > 0;

            return exp;
        }
        #endregion

        #region 扩展操作
        #endregion

        #region 业务
        #endregion
    }
}