using System;

namespace Infrastructure.Cache
{
 /// <summary>
 /// 策略模式缓存组件,可实现动态插拔
 /// </summary>
 public abstract class CacheContext : IDisposable
 {
 /// <summary>
 /// 初始化缓存组件
 /// </summary>
 public abstract void Init();

 /// <summary>
 /// 获取缓存项
 /// </summary>
 /// <typeparam name="T">缓存对象类型</typeparam>
 /// <param name="key">键</param>
 /// <returns>缓存对象</returns>
 public abstract T Get<T>(string key) where T : class;

 /// <summary>
 /// 设置缓存项
 /// </summary>
 /// <typeparam name="T">缓存对象类型</typeparam>
 /// <param name="key">键</param>
 /// <param name="t">缓存对象</param>
 /// <returns>true成功,false失败</returns>
 public abstract bool Set<T>(string key, T t) where T : class;

 /// <summary>
 /// 移除一个缓存项
 /// </summary>
 /// <param name="key">缓存项key</param>
 /// <returns>true成功,false失败</returns>
 public abstract bool Remove(string key);

 /// <summary>
 /// 释放缓存组件
 /// </summary>
 public abstract void Dispose();
 }
}