using System;
using System.Collections.Generic;

namespace CP.Cache
{

    /// <summary>
    /// 缓存接口
    /// </summary>
    public interface ICache
    {
        /// <summary> 
        /// 返回指定key是否有值
        /// </summary>
        /// <param name="key"></param>
        /// <returns></returns>
        bool IsExist(string key);

        /// <summary>
        /// 添加指定key的对像
        /// </summary>
        /// <param name="key"></param>
        /// <param name="o"></param>
        /// <param name="t">超时分钟数</param>
        void AddObject<T>(string key, T o, int t = 0);

        /// <summary>
        /// 获取指定key的对像
        /// </summary>
        /// <param name="key"></param>
        T GetObject<T>(string key);

        /// <summary>
        /// 移出指定key的对像
        /// </summary>
        /// <param name="key"></param>
        void RemoveObject(string key);

        /// <summary>
        /// 批量移出类型key的对像
        /// </summary>
        /// <param name="key"></param>
        void RemoveObjectByRegex(string key);

        /// <summary>
        /// 移出所有Cache
        /// </summary>
        void RemoveAll();

        /// <summary>
        /// 取出所有键
        /// </summary>
        /// <returns></returns>
        List<string> GetKeys();
    }
}