using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Runtime.Serialization;
using System.Text;
using System.Threading.Tasks;
using System.Web;
using System.Web.Script.Serialization;
using System.Xml.Serialization;
using NewLife;
using NewLife.Data;
using NewLife.Log;
using NewLife.Model;
using NewLife.Reflection;
using NewLife.Threading;
using NewLife.Web;
using XCode;
using XCode.Cache;
using XCode.Configuration;
using XCode.DataAccessLayer;
using XCode.Membership;
using XCode.Shards;
namespace Rainbow.Entity;
public partial class DeviceOnline : Entity<DeviceOnline>
{
#region 对象操作
static DeviceOnline()
{
// 累加字段,生成 Update xx Set Count=Count+1234 Where xxx
//var df = Meta.Factory.AdditionalFields;
//df.Add(nameof(DeviceId));
// 拦截器 UserInterceptor、TimeInterceptor、IPInterceptor
Meta.Interceptors.Add<TimeInterceptor>();
// 实体缓存
// var ec = Meta.Cache;
// ec.Expire = 60;
}
/// <summary>验证并修补数据,返回验证结果,或者通过抛出异常的方式提示验证失败。</summary>
/// <param name="method">添删改方法</param>
public override Boolean Valid(DataMethod method)
{
//if (method == DataMethod.Delete) return true;
// 如果没有脏数据,则不需要进行任何处理
if (!HasDirty) return true;
// 建议先调用基类方法,基类方法会做一些统一处理
if (!base.Valid(method)) return false;
// 在新插入数据或者修改了指定字段时进行修正
//if (method == DataMethod.Insert && !Dirtys[nameof(CreateTime)]) CreateTime = DateTime.Now;
//if (!Dirtys[nameof(UpdateTime)]) UpdateTime = DateTime.Now;
// 检查唯一索引
// CheckExist(method == DataMethod.Insert, nameof(IP));
return true;
}
///// <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()
//{
// // 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
// if (Meta.Session.Count > 0) return;
// if (XTrace.Debug) XTrace.WriteLine("开始初始化DeviceOnline[设备在线快照]数据……");
// var entity = new DeviceOnline();
// entity.Id = 0;
// entity.IP = "abc";
// entity.Mac = "abc";
// entity.HostName = "abc";
// entity.DeviceId = 0;
// entity.Interface = "abc";
// entity.LeaseExpire = DateTime.Now;
// entity.PrevMac = "abc";
// entity.PrevDeviceId = 0;
// entity.MacChangedTime = DateTime.Now;
// entity.FirstSeen = DateTime.Now;
// entity.LastSeen = DateTime.Now;
// entity.OnlineSeconds = 0;
// entity.IsOnline = true;
// entity.RxBytes = 0;
// entity.TxBytes = 0;
// entity.Insert();
// if (XTrace.Debug) XTrace.WriteLine("完成初始化DeviceOnline[设备在线快照]数据!");
//}
///// <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 OnDelete()
//{
// return base.OnDelete();
//}
#endregion
#region 扩展属性
#endregion
#region 高级查询
// Select Count(Id) as Id,Mac From DeviceOnline Where LastSeen>'2020-01-24 00:00:00' Group By Mac Order By Id Desc limit 20
static readonly FieldCache<DeviceOnline> _MacCache = new(nameof(Mac))
{
//Where = _.LastSeen > DateTime.Today.AddDays(-30) & Expression.Empty
};
/// <summary>获取MAC地址列表,字段缓存10分钟,分组统计数据最多的前20种,用于魔方前台下拉选择</summary>
/// <returns></returns>
public static IDictionary<String, String> GetMacList() => _MacCache.FindAllName();
// Select Count(Id) as Id,Interface From DeviceOnline Where LastSeen>'2020-01-24 00:00:00' Group By Interface Order By Id Desc limit 20
static readonly FieldCache<DeviceOnline> _InterfaceCache = new(nameof(Interface))
{
//Where = _.LastSeen > DateTime.Today.AddDays(-30) & Expression.Empty
};
/// <summary>获取所在网口列表,字段缓存10分钟,分组统计数据最多的前20种,用于魔方前台下拉选择</summary>
/// <returns></returns>
public static IDictionary<String, String> GetInterfaceList() => _InterfaceCache.FindAllName();
#endregion
#region 业务操作
#endregion
}
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