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

namespace Common.Cache
{
    public interface ICacheService
    {
        /// <summary>
        /// 设置缓存
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="key"></param>
        /// <param name="value"></param>
        /// <param name="expiry"></param>
        /// <returns></returns>
        bool StringSet<T>(string key, T value, TimeSpan? expiry = null);

        /// <summary>
        /// 获取缓存
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="key"></param>
        /// <returns></returns>
        T StringGet<T>(string key);

        /// <summary>
        /// 删除缓存
        /// </summary>
        /// <param name="key"></param>
        void DeleteKey(string key);
    }
}