59 lines
2.0 KiB
C#
59 lines
2.0 KiB
C#
using IRaCIS.Core.Domain.Models;
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using System;
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using System.Linq;
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using System.Linq.Expressions;
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namespace IRaCIS.Core.Domain.Interfaces
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{
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/// <summary>
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/// 工作单元接口
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/// <para> 适合在一下情况使用:</para>
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/// <para>1 在同一事务中进行多表操作</para>
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/// <para>2 需要多表联合查询</para>
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/// <para>因为架构采用的是EF访问数据库，暂时可以不用考虑采用传统Unit Work的注册机制</para>
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/// </summary>
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public interface IUnitWork
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{
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T FindSingle<T>(Expression<Func<T, bool>> exp = null) where T : class;
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bool IsExist<T>(Expression<Func<T, bool>> exp) where T : class;
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IQueryable<T> Find<T>(Expression<Func<T, bool>> exp = null) where T : class;
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IQueryable<T> Find<T>(int pageindex = 1, int pagesize = 10, string orderby = "",
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Expression<Func<T, bool>> exp = null) where T : class;
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int GetCount<T>(Expression<Func<T, bool>> exp = null) where T : class;
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void Add<T>(T entity) where T : Entity;
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void BatchAdd<T>(T[] entities) where T : Entity;
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/// <summary>
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/// 更新一个实体的所有属性
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/// </summary>
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void Update<T>(T entity) where T : class;
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void Delete<T>(T entity) where T : class;
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/// <summary>
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/// 按指定的ID进行批量更新
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/// </summary>
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void Update<T>(Expression<Func<T, object>> identityExp, T entity) where T : class;
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/// <summary>
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/// 实现按需要只更新部分更新
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/// <para>如：Update<T>(u =>u.Id==1,u =>new User{Name="ok"}) where T:class;</para>
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/// </summary>
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/// <param name="where">更新条件</param>
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/// <param name="entity">更新后的实体</param>
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void Update<T>(Expression<Func<T, bool>> where, Expression<Func<T, T>> entity) where T : class;
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/// <summary>
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/// 批量删除
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/// </summary>
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void Delete<T>(Expression<Func<T, bool>> exp) where T : class;
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void Save();
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void ExecuteSql(string sql);
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}
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}
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