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// ***********************************************************************
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// Assembly : OpenAuth.Domain
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// Author : yubaolee
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// Created : 10-25-2015
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//
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// Last Modified By : yubaolee
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// Last Modified On : 10-25-2015
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// ***********************************************************************
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// <copyright file="IRepository.cs" company="www.cnblogs.com/yubaolee">
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// Copyright (c) www.cnblogs.com/yubaolee. All rights reserved.
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// </copyright>
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// <summary>仓储接口</summary>
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// ***********************************************************************
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using Microsoft.EntityFrameworkCore;
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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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using System.Threading.Tasks;
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namespace Common.Repository.Interface
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{
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public interface IRepository<T, TDbContext> where T : class where TDbContext : DbContext
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{
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/// <summary>
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/// 返回一个单独的实体，如果记录多于1个则取第一个
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/// </summary>
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T FirstOrDefault(Expression<Func<T, bool>> exp = null);
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/// <summary>
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/// 判断指定条件的记录是否存在
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/// </summary>
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bool Any(Expression<Func<T, bool>> exp);
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IQueryable<T> Find(Expression<Func<T, bool>> exp = null);
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IQueryable<T> Find(int pageindex = 1, int pagesize = 10, string orderby = "",
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Expression<Func<T, bool>> exp = null);
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int Count(Expression<Func<T, bool>> exp = null);
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void Add(T entity);
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void BatchAdd(T[] entities);
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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 entity);
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void Delete(T entity);
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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(u =>u.Id==1,u =>new User{Name="ok"});</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(Expression<Func<T, bool>> where, Expression<Func<T, T>> entity);
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/// <summary>
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/// 批量删除
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/// </summary>
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void Delete(Expression<Func<T, bool>> exp);
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void Save();
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int ExecuteSqlRaw(string sql);
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/// <summary>
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/// 使用SQL脚本查询
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/// </summary>
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/// <typeparam name="T"> T为数据库实体</typeparam>
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/// <returns></returns>
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IQueryable<T> FromSql(string sql, params object[] parameters);
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/// <summary>
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/// 使用SQL脚本查询
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/// </summary>
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/// <typeparam name="T"> T为非数据库实体，需要在DbContext中增加对应的DbQuery</typeparam>
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/// <returns></returns>
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IQueryable<T> Query(string sql, params object[] parameters);
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#region 异步接口
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Task<int> ExecuteSqlRawAsync(string sql);
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Task<int> AddAsync(T entity);
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Task<int> BatchAddAsync(T[] entities);
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Task<int> UpdateAsync(T entity);
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Task<int> DeleteAsync(T entity);
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Task<int> SaveAsync();
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Task<int> CountAsync(Expression<Func<T, bool>> exp = null);
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Task<bool> AnyAsync(Expression<Func<T, bool>> exp);
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Task<T> FirstOrDefaultAsync(Expression<Func<T, bool>> exp);
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#endregion
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}
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} |