/*
* 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>液料规格</summary>
public partial class Feedliquor : YWSEntityBase<Feedliquor>
{
#region 扩展属性
[NonSerialized]
private Customer _Customer;
/// <summary>该液料规格所对应的客户</summary>
[XmlIgnore]
public Customer Customer
{
get
{
if (_Customer == null && CustomerID > 0 && !Dirtys.ContainsKey("Customer"))
{
_Customer = Customer.FindByID(CustomerID);
Dirtys["Customer"] = true;
}
return _Customer;
}
set { _Customer = value; }
}
[NonSerialized]
private EntityList<Machine> _Machines;
/// <summary>该液料规格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.FindAllByFeedliquorID(ID);
Dirtys["Machines"] = true;
}
return _Machines;
}
set { _Machines = value; }
}
#endregion
#region 扩展查询
/// <summary>根据主键查询一个液料规格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 Feedliquor FindByKeyForEdit(Int32 id)
{
Feedliquor entity = Find(new String[] { _.ID }, new Object[] { id });
if (entity == null)
{
entity = new Feedliquor();
}
return entity;
}
/// <summary>根据编号查找</summary>
/// <param name="id">编号</param>
/// <returns></returns>
[DataObjectMethod(DataObjectMethodType.Select, false)]
public static Feedliquor 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>根据客户ID查找</summary>
/// <param name="customerid">客户ID</param>
/// <returns></returns>
[DataObjectMethod(DataObjectMethodType.Select, false)]
public static EntityList<Feedliquor> FindAllByCustomerID(Int32 customerid)
{
if (Meta.Count >= 1000)
return FindAll(new String[] { _.CustomerID }, new Object[] { customerid });
else // 实体缓存
return Meta.Cache.Entities.FindAll(_.CustomerID, customerid);
}
#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 (Machines != null) Machines.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<Feedliquor> Search(String name, String cementGroup, String orderClause, Int32 startRowIndex, Int32 maximumRows)
{
return FindAll(SearchWhere(name, cementGroup), 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 cementGroup, String orderClause, Int32 startRowIndex, Int32 maximumRows)
{
return FindCount(SearchWhere(name, cementGroup), 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 cementGroup)
{
StringBuilder sb = new StringBuilder();
sb.Append("1=1");
if (!String.IsNullOrEmpty(name))
{
List<Customer> list = Customer.Search(name, null, null, null, 0, 0);
if (list != null && list.Count > 0)
{
String ids = String.Empty;
ids = String.Join(",", list.ConvertAll<String>(delegate(Customer c) { return c.ID.ToString(); }).ToArray());
sb.AppendFormat(" And {0} in ({1})", _.CustomerID, ids);
}
}
if (!String.IsNullOrEmpty(name)) sb.AppendFormat(" And {0} like '%{1}%'", _.CementGroup, cementGroup.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
}
}
|