package com.zxl.examples.catche;

import org.springframework.cache.Cache;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.core.RedisOperations;

/**
 * Created by Administrator on 2017/7/25.
 */
public class RedisCacheManagerExtend extends RedisCacheManager {

    public RedisCacheManagerExtend(RedisOperations redisOperations) {
        super(redisOperations);
    }

    /**
     * 缓存参数的分隔符
     * 数组元素0=缓存的名称
     * 数组元素1=缓存过期时间TTL
     * 数组元素2=缓存在多少秒开始主动失效来强制刷新
     */
    private String separator = "#";

    /**
     * 缓存主动在失效前强制刷新缓存的时间
     * 单位：秒
     */
    private long preloadSecondTime=0;


    @Override
    public Cache getCache(String name) {

        String[] cacheParams=name.split(this.getSeparator());
        String cacheName = cacheParams[0];

        if(cacheName==null || "".equals(cacheName.trim())){
            return null;
        }

        Long expirationSecondTime = this.computeExpiration(cacheName);

        if(cacheParams.length>1) {
            expirationSecondTime=Long.parseLong(cacheParams[1]);
            this.setDefaultExpiration(expirationSecondTime);
        }
        if(cacheParams.length>2) {
            this.setPreloadSecondTime(Long.parseLong(cacheParams[2]));
        }

        Cache cache = super.getCache(cacheName);
        if(null==cache){
            return null;
        }
        return cache;
//        logger.info("expirationSecondTime:"+expirationSecondTime);
//        CustomizedRedisCache redisCache= new CustomizedRedisCache(
//                cacheName,
//                (this.isUsePrefix() ? this.getCachePrefix().prefix(cacheName) : null),
//                this.getRedisOperations(),
//                expirationSecondTime,
//                preloadSecondTime);
//        return redisCache;

    }

    public String getSeparator() {
        return separator;
    }

    public void setSeparator(String separator) {
        this.separator = separator;
    }

    public long getPreloadSecondTime() {
        return preloadSecondTime;
    }

    public void setPreloadSecondTime(long preloadSecondTime) {
        this.preloadSecondTime = preloadSecondTime;
    }
}