IRepository.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Threading;
using System.Threading.Tasks;
namespace Rcs.Domain.Repositories;
/// <summary>
/// 通用仓储接口
/// </summary>
/// <typeparam name="TEntity">实体类型</typeparam>
public interface IRepository<TEntity> where TEntity : class
{
#region 查询方法
/// <summary>
/// 根据ID获取实体
/// </summary>
Task<TEntity?> GetByIdAsync(object id, CancellationToken cancellationToken = default);
/// <summary>
/// 获取所有实体
/// </summary>
Task<IEnumerable<TEntity>> GetAllAsync(CancellationToken cancellationToken = default);
/// <summary>
/// 根据条件查询实体
/// </summary>
Task<IEnumerable<TEntity>> FindAsync(
Expression<Func<TEntity, bool>> predicate,
CancellationToken cancellationToken = default);
/// <summary>
/// 根据条件查询单个实体
/// </summary>
Task<TEntity?> FirstOrDefaultAsync(
Expression<Func<TEntity, bool>> predicate,
CancellationToken cancellationToken = default);
/// <summary>
/// 获取可查询对象
/// </summary>
IQueryable<TEntity> GetQueryable();
/// <summary>
/// 判断实体是否存在
/// </summary>
Task<bool> AnyAsync(
Expression<Func<TEntity, bool>> predicate,
CancellationToken cancellationToken = default);
/// <summary>
/// 获取实体数量
/// </summary>
Task<int> CountAsync(
Expression<Func<TEntity, bool>>? predicate = null,
CancellationToken cancellationToken = default);
#endregion
#region 修改方法
/// <summary>
/// 添加实体
/// </summary>
Task AddAsync(TEntity entity, CancellationToken cancellationToken = default);
/// <summary>
/// 批量添加实体
/// </summary>
Task AddRangeAsync(IEnumerable<TEntity> entities, CancellationToken cancellationToken = default);
/// <summary>
/// 更新实体
/// </summary>
Task UpdateAsync(TEntity entity, CancellationToken cancellationToken = default);
/// <summary>
/// 批量更新实体
/// </summary>
Task UpdateRangeAsync(IEnumerable<TEntity> entities, CancellationToken cancellationToken = default);
/// <summary>
/// 删除实体
/// </summary>
Task DeleteAsync(TEntity entity, CancellationToken cancellationToken = default);
/// <summary>
/// 根据ID删除实体
/// </summary>
Task DeleteByIdAsync(object id, CancellationToken cancellationToken = default);
/// <summary>
/// 批量删除实体
/// </summary>
Task DeleteRangeAsync(IEnumerable<TEntity> entities, CancellationToken cancellationToken = default);
/// <summary>
/// 根据条件删除实体
/// </summary>
Task DeleteAsync(
Expression<Func<TEntity, bool>> predicate,
CancellationToken cancellationToken = default);
#endregion
#region 工作单元
/// <summary>
/// 保存更改
/// </summary>
Task<int> SaveChangesAsync(CancellationToken cancellationToken = default);
#endregion
}