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package com.github.rexsheng.springboot.faster.system.cache;

import com.github.rexsheng.springboot.faster.cache.AbstractMultilevelCacheManager;
import com.github.rexsheng.springboot.faster.cache.MultilevelCacheProperties;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.ObjectProvider;
import org.springframework.cache.Cache;
import org.springframework.cache.caffeine.CaffeineCacheManager;
import org.springframework.data.redis.cache.RedisCacheManager;

import java.util.ArrayList;
import java.util.List;

public class CaffeineRedisCacheManager extends AbstractMultilevelCacheManager {

    private static final Logger logger= LoggerFactory.getLogger(CaffeineRedisCacheManager.class);

    private MultilevelCacheProperties cacheProperties;

    private CaffeineCacheManager caffeineCacheManager;

    private RedisCacheManager redisCacheManager;

    public CaffeineRedisCacheManager(MultilevelCacheProperties cacheProperties,
                                     ObjectProvider caffeineCacheManager,
                                     ObjectProvider redisCacheManager) {
        this.cacheProperties=cacheProperties;
        this.caffeineCacheManager = caffeineCacheManager.getIfAvailable();
        this.redisCacheManager = redisCacheManager.getIfAvailable();
    }

    @Override
    protected List getMultilevelCaches(String name) {
        List cacheList=new ArrayList<>();
        if(cacheProperties.getCaffeine()!=null && Boolean.TRUE.equals(cacheProperties.getCaffeine().getEnabled())){
            Cache firstCache = caffeineCacheManager!=null?caffeineCacheManager.getCache(name):null;
            if(firstCache!=null){
                cacheList.add(firstCache);
                logger.debug("add first level cache: {}",firstCache);
            }
        }
        if(cacheProperties.getRedis()!=null && Boolean.TRUE.equals(cacheProperties.getRedis().getEnabled())) {
            Cache secondCache = redisCacheManager != null ? redisCacheManager.getCache(name) : null;
            if (secondCache != null) {
                cacheList.add(secondCache);
                logger.debug("add second level cache: {}",secondCache);
            }
        }
        logger.debug("configured multi level caches: {}",cacheList);
        return cacheList;
    }
}