package com.javaweb.platform.utils;
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import com.javaweb.common.utils.IdGenerate;
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import cn.hutool.cache.CacheUtil;
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import cn.hutool.cache.impl.TimedCache;
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public class UserAuthCacheUtils {
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private static long timeout = 1000* 60 *60 * 2;//2小时过期
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//用户缓存hash表
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public static TimedCache<String, Object> userCaches = CacheUtil.newTimedCache(timeout);
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//用户双向关联缓存 ，防止用户无限次登录 userCaches 中存储多份用户数据
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public static TimedCache<String, String> userCachesRel = CacheUtil.newTimedCache(timeout);
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/**
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* 取消定时清理
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*/
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static{
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userCaches.cancelPruneSchedule();
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userCachesRel.cancelPruneSchedule();
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}
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/**
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* @param key token
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* @param object
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* @param rel 用户主键
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*/
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public static void setCahce(String key ,Object object,String rel){
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if(isExist(rel)){
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removeCahce(rel);
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}
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userCaches.put(key, object, timeout);
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userCachesRel.put(rel, key,timeout);
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}
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/**
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* 获取用户
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* @param key
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* @return
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*/
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public static Object getCahce(String key){
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return userCaches.get(key,false);
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}
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/**
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* 移除用户缓存
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* @param key
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* @param rel
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*/
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public static void removeCahce(String rel){
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String key = userCachesRel.get(rel,false);
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userCaches.remove(key);
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userCachesRel.remove(rel);
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}
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/**
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* 强制移除
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* @param key
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* @param rel
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*/
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public static void removeCahce(String key , String rel){
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userCaches.remove(key);
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userCachesRel.remove(rel);
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}
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/**
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* 判断用户是否存在缓存中
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* @param rel
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* @return
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*/
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public static boolean isExist(String rel){
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String key = userCachesRel.get(rel,false);
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if(key!=null){
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return true;
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}
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return false;
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}
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public static void clear(){
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userCaches.clear();
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userCachesRel.clear();
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}
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}
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