Doc.DAL/Repository/IRepository.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using Doc.Utility;

namespace Doc.DAL.Repository
{
    internal  interface IRepository<T> where T : class , new()
    {
        /// <summary>
        /// 添加
        /// </summary>
        /// <param name="t">实体对象</param>
        /// <returns></returns>
        bool Add(T t);
        /// <summary>
        /// 添加或者修改
        /// </summary>
        /// <param name="t">实体对象</param>
        /// <returns></returns>
        bool AddOrUpdate(T t);
        /// <summary>
        /// 修改
        /// </summary>
        /// <param name="t">实体对象</param>
        /// <returns></returns>
        bool Update(T t);

        /// <summary>
        /// 移除
        /// </summary>
        /// <param name="t">实体对象</param>
        /// <returns></returns>
        bool Remove(T t);

        /// <summary>
        /// 移除多个同类型对象
        /// </summary>
        /// <param name="entities">对象集合</param>
        /// <returns></returns>
        bool RemoveRange(ICollection<T> entities);

        /// <summary>
        /// 判断是否存在
        /// </summary>
        /// <param name="predicate"></param>
        /// <returns></returns>
        bool Any(Expression<Func<T, bool>> predicate);

        IQueryable<T> All();
        IQueryable<T> Where(Expression<Func<T, bool>> predicate);

        IQueryable<T> Where(Expression<Func<T, bool>> predicate, Expression<Func<T, T>> selector);

        IQueryable<T> Where(Expression<Func<T, bool>> predicate, List<SortCondition<T>> sortConditions);

        IQueryable<T> Where(Expression<Func<T, bool>> predicate, Expression<Func<T, T>> selector, List<SortCondition<T>> sortConditions);
        T FirstOrDefault(Expression<Func<T, bool>> predicate);