using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace RoadFlow.Data
{
    public interface IRoadFlowRepository<T>
    {

        /// <summary>
        /// 获取所有的数据对象并缓存
        /// </summary>
        /// <returns></returns>
        List<T> GetAll();


        /// <summary>
        /// 按Id获取一个对象
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        T GetOneById(string id);


        /// <summary>
        /// 按条件获取一个对象
        /// </summary>
        /// <param name="predicate"></param>
        /// <returns></returns>
        T GetOneBy(Predicate<T> predicate);

        /// <summary>
        /// 按条件获取列表
        /// </summary>
        /// <param name="predicate"></param>
        /// <returns></returns>
        List<T> GetListBy(Predicate<T> predicate);

        /// <summary>
        /// 增加对象
        /// </summary>
        /// <param name="t"></param>
        /// <returns></returns>
        int Add(T t);


        /// <summary>
        /// 增加多个对象
        /// </summary>
        /// <param name="ts"></param>
        /// <returns></returns>
        int AddRangeList(List<T> ts);

        /// <summary>
        /// 更新对象
        /// </summary>
        /// <param name="t"></param>
        /// <returns></returns>
        int Update(T t,bool clearCache=true);


        /// <summary>
        /// 更新多个对象
        /// </summary>
        /// <param name="ts"></param>
        /// <returns></returns>
        int Update(List<T> ts, bool trans = true);


        /// <summary>
        /// 删除对象（物理）
        /// </summary>
        /// <param name="t"></param>
        /// <returns></returns>
        int Delete(T t);

        /// <summary>
        /// 删除一批对象(物理）
        /// </summary>
        /// <param name="ts"></param>
        /// <returns></returns>
        int Delete(List<T> ts);


        /// <summary>
        /// 按条件删除对象
        /// </summary>
        /// <param name="expression"></param>
        /// <returns></returns>
        int DeleteBy(System.Linq.Expressions.Expression<Func<T, bool>> expression);

        /// <summary>
        /// 清空缓存
        /// </summary>
        void ClearCache();
        /// <summary>
        /// 清空缓存
        /// </summary>
        void ClearCache(string id);


    }
}