86 lines
2.7 KiB
C#
86 lines
2.7 KiB
C#
using System.Linq.Expressions;
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namespace HardwarePerformance.Application.Interfaces
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{
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/// <summary>
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/// 通用Repository接口，定义基本的CRUD操作
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/// </summary>
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/// <typeparam name="T">实体类型</typeparam>
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public interface IRepository<T> where T : class
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{
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/// <summary>
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/// 根据ID获取实体
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/// </summary>
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/// <param name="id">实体ID</param>
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/// <returns>实体对象</returns>
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Task<T?> GetByIdAsync(int id);
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/// <summary>
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/// 获取所有实体
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/// </summary>
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/// <returns>实体列表</returns>
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Task<IEnumerable<T>> GetAllAsync();
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/// <summary>
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/// 根据条件查询实体
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/// </summary>
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/// <param name="predicate">查询条件</param>
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/// <returns>符合条件的实体列表</returns>
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Task<IEnumerable<T>> FindAsync(Expression<Func<T, bool>> predicate);
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/// <summary>
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/// 检查是否存在符合条件的实体
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/// </summary>
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/// <param name="predicate">查询条件</param>
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/// <returns>是否存在</returns>
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Task<bool> ExistsAsync(Expression<Func<T, bool>> predicate);
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/// <summary>
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/// 添加实体
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/// </summary>
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/// <param name="entity">要添加的实体</param>
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/// <returns>添加后的实体</returns>
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Task<T> AddAsync(T entity);
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/// <summary>
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/// 批量添加实体
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/// </summary>
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/// <param name="entities">要添加的实体列表</param>
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/// <returns>添加后的实体列表</returns>
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Task<IEnumerable<T>> AddRangeAsync(IEnumerable<T> entities);
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/// <summary>
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/// 更新实体
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/// </summary>
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/// <param name="entity">要更新的实体</param>
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/// <returns>更新后的实体</returns>
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Task<T> UpdateAsync(T entity);
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/// <summary>
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/// 删除实体
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/// </summary>
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/// <param name="entity">要删除的实体</param>
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/// <returns>是否删除成功</returns>
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Task<bool> DeleteAsync(T entity);
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/// <summary>
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/// 根据ID删除实体
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/// </summary>
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/// <param name="id">实体ID</param>
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/// <returns>是否删除成功</returns>
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Task<bool> DeleteByIdAsync(int id);
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/// <summary>
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/// 获取实体数量
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/// </summary>
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/// <returns>实体总数</returns>
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Task<int> CountAsync();
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/// <summary>
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/// 根据条件获取实体数量
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/// </summary>
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/// <param name="predicate">查询条件</param>
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/// <returns>符合条件的实体数量</returns>
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Task<int> CountAsync(Expression<Func<T, bool>> predicate);
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}
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} |