148 lines
4.7 KiB
C#
148 lines
4.7 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Linq;
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using System.Xml.Serialization;
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using NewLife;
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using NewLife.Data;
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using XCode;
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using XCode.Membership;
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namespace AntJob.Data.Entity
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{
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/// <summary>应用消息。消息调度，某些作业负责生产消息，供其它作业进行消费处理</summary>
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public partial class AppMessage : EntityBase<AppMessage>
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{
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#region 对象操作
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static AppMessage()
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{
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// 过滤器 UserModule、TimeModule、IPModule
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Meta.Modules.Add<TimeModule>();
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}
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#endregion
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#region 扩展属性
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/// <summary>应用</summary>
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[XmlIgnore]
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//[ScriptIgnore]
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public App App => Extends.Get(nameof(App), k => App.FindByID(AppID));
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/// <summary>应用</summary>
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[XmlIgnore]
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//[ScriptIgnore]
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[DisplayName("应用")]
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[Map(__.AppID)]
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public String AppName => App?.Name;
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/// <summary>作业</summary>
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[XmlIgnore]
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//[ScriptIgnore]
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public Job Job => Extends.Get(nameof(Job), k => Job.FindByID(JobID));
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/// <summary>作业</summary>
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[XmlIgnore]
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//[ScriptIgnore]
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[DisplayName("作业")]
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[Map(__.JobID)]
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public String JobName => Job?.Name;
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#endregion
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#region 扩展查询
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/// <summary>根据编号查找</summary>
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/// <param name="id">编号</param>
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/// <returns>实体对象</returns>
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public static AppMessage FindByID(Int64 id)
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{
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if (id <= 0) return null;
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return Find(_.ID == id);
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}
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/// <summary>
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/// 查询当前应用的消息数
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/// </summary>
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/// <param name="appid"></param>
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/// <returns></returns>
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public static Int32 FindCountByAppID(Int32 appid)
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{
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if (appid == 0) return 0;
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return (Int32)FindCount(_.AppID == appid);
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}
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/// <summary>
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/// 查询当前作业的消息数
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/// </summary>
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/// <param name="appid"></param>
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/// <param name="topic"></param>
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/// <returns></returns>
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public static Int32 FindCountByAppIDAndTopic(Int32 appid, String topic)
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{
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if (appid == 0) return 0;
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return (Int32)FindCount(_.AppID == appid & _.Topic == topic);
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}
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#endregion
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#region 高级查询
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/// <summary>高级查询</summary>
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/// <param name="appid"></param>
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/// <param name="jobid"></param>
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/// <param name="start"></param>
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/// <param name="end"></param>
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/// <param name="key"></param>
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/// <param name="p"></param>
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/// <returns></returns>
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public static IEnumerable<AppMessage> Search(Int32 appid, Int32 jobid, DateTime start, DateTime end, String key, PageParameter p)
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{
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var exp = new WhereExpression();
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if (appid > 0) exp &= _.AppID == appid;
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if (jobid > 0) exp &= _.JobID == jobid;
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if (!key.IsNullOrEmpty()) exp &= _.Topic.Contains(key) | _.Data.Contains(key);
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exp &= _.UpdateTime.Between(start, end);
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return FindAll(exp, p);
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}
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#endregion
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#region 业务操作
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/// <summary>根据应用、主题、以及时间查找一定数量消息</summary>
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/// <param name="appid"></param>
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/// <param name="topic"></param>
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/// <param name="endTime"></param>
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/// <param name="count"></param>
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/// <returns></returns>
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public static IList<AppMessage> GetTopic(Int32 appid, String topic, DateTime endTime, Int32 count)
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{
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return FindAll(_.AppID == appid & _.Topic == topic & _.UpdateTime <= endTime, _.UpdateTime.Asc(), null, 0, count);
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}
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/// <summary>去重过滤</summary>
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/// <param name="appid"></param>
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/// <param name="topic"></param>
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/// <param name="messages"></param>
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/// <returns></returns>
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public static String[] Filter(Int32 appid, String topic, String[] messages)
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{
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var list = new List<String>();
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// 分批核查是否存在
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for (var i = 0; i < messages.Length; i += 100)
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{
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var batch = messages.Skip(i).Take(100).ToList();
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var ms = FindAll(_.AppID == appid & _.Topic == topic & _.Data.In(batch));
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// 去掉找到的项
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foreach (var item in ms)
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{
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batch.Remove(item.Data);
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}
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// 剩下的加入结果
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if (batch.Count > 0) list.AddRange(batch);
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}
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return list.ToArray();
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}
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#endregion
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}
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} |