using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Runtime.Caching;
using System.Runtime.InteropServices;
using System.Text;
namespace GPSBusiness.Helper
{
    public class CacheManager
    {
        private MemoryCache my = new MemoryCache("my");
        /// <summary>
        /// 添加项
        /// </summary>
        /// <param name="key"></param>
        /// <param name="value"></param>
        public void Add(string key, object value)
        {
            my.Set(key, value, new CacheItemPolicy() { });
        }
        /// <summary>
        ///  添加项，加过期时间
        /// </summary>
        /// <param name="key"></param>
        /// <param name="value"></param>
        public void Add(string key, object value, TimeSpan timeSpan)
        {
            my.Set(key, value, new CacheItemPolicy() { SlidingExpiration = timeSpan });
        }
        /// <summary>
        ///  移除项
        /// </summary>
        /// <param name="key"></param>
        public void Remove(string key)
        {
            my.Remove(key);
        }
        /// <summary>
        ///  获取
        /// </summary>
        /// <param name="key"></param>
        public object Get(string key)
        {
            return my.Get(key);
        }
        /// <summary>
        ///  获取
        /// </summary>
        /// <param name="key"></param>
        public T Get<T>(string key)
        {
            try
            {
                var v = (T)my.Get(key);
                return v;
            }
            catch (Exception)
            {
                return default(T);
            }
        }
    }
}