ssi/backend/src/main/java/com/jiayue/ssi/util/LocalCache.java

package com.jiayue.ssi.util;

import cn.hutool.cache.CacheUtil;
import cn.hutool.cache.impl.TimedCache;
import cn.hutool.core.date.DateUnit;

import java.util.Set;

/**
* 缓存工具
*
* @author xsl
* @since 2023/02/22
*/
public class LocalCache {
    /**
     * 默认缓存时长5分钟
     */
    private static final long DEFAULT_TIMEOUT = 5 * DateUnit.MINUTE.getMillis();
    /**
     * 默认清理间隔时间
     */
    private static final long CLEAN_TIMEOUT = 5 * DateUnit.MINUTE.getMillis();
    /**
     * 缓存对象
     */
    private static final TimedCache<String, Object> TIMED_CACHE = CacheUtil.newTimedCache(DEFAULT_TIMEOUT);

    static {
        //启动定时任务
        TIMED_CACHE.schedulePrune(CLEAN_TIMEOUT);
    }

    public static void set(String key, Object value) {
        TIMED_CACHE.put(key, value);
    }

    public static void set(String key, Object value, long expire) {
        TIMED_CACHE.put(key, value, expire);
    }

    /**
     * 获取并重新计算过期时间
     */
    public static Object getWithUpdateLastAccess(String key) {
        return TIMED_CACHE.get(key);
    }

    /**
     * 获取
     *
     * @param key
     * @return
     */
    public static Object get(String key) {
        return TIMED_CACHE.get(key, false);
    }

    public static Set<String> keySet() {
        return TIMED_CACHE.keySet();
    }


    public static void remove(String key) {
        TIMED_CACHE.remove(key);
    }

    public static void clear() {
        TIMED_CACHE.clear();
    }

    public static long test() {
        return TIMED_CACHE.timeout();

    }

    public static class Constants {
        public static final String DICT_LIST_PREFIX = "dict:list:";
        public static final String DICT_ONE_PREFIX = "dict:one:";
        public static final String DICT_MAP_PREFIX = "dict:map:";

        public static final String SCRIPT = "script:";
    }
}