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2024-07-01 db23586fd744582cd8ee237c34ff29d9277009ee

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package com.whyc.config;
 
import com.github.benmanes.caffeine.cache.Caffeine;
import org.springframework.cache.CacheManager;
import org.springframework.cache.caffeine.CaffeineCache;
import org.springframework.cache.support.SimpleCacheManager;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
 
import java.util.ArrayList;
 
/**
 * Caffeine配置
 */
@Configuration
public class CaffeineConfig {
 
    public static enum Caches{
        defaultCache(500),
        defaultCache2Exp(500,24)
        ;
 
        Caches() {
        }
 
        Caches(int maxSize) {
            this.maxSize = maxSize;
        }
 
        Caches(int maxSize, int ttl) {
            this.maxSize = maxSize;
            this.ttl = ttl;
        }
 
        private int maxSize;
        private int ttl;
 
        public int getMaxSize() {
            return maxSize;
        }
 
        public void setMaxSize(int maxSize) {
            this.maxSize = maxSize;
        }
 
        public int getTtl() {
            return ttl;
        }
 
        public void setTtl(int ttl) {
            this.ttl = ttl;
        }
    }
 
    @Bean
    @Primary
    public CacheManager caffeineCacheManager() {
        SimpleCacheManager cacheManager = new SimpleCacheManager();
        ArrayList<CaffeineCache> caffeineCaches = new ArrayList<>();
 
        for (Caches cache : Caches.values()) {
            caffeineCaches.add(new CaffeineCache(cache.name(),
                    Caffeine.newBuilder().recordStats()
                    .maximumSize(cache.getMaxSize())
                    .build()
            ));
        }
        cacheManager.setCaches(caffeineCaches);
        return cacheManager;
 
    }
 
    /*@Bean(value = "defaultCache")
    public Cache<String,Object> defaultCache(){
        return Caffeine.newBuilder().recordStats()
                        .maximumSize(Caches.defaultCache.getMaxSize())
                        .build();
    }
 
    @Bean(value = "defaultCache2Exp")
    public Cache<String,Object> defaultCache2Exp(){
        return Caffeine.newBuilder().recordStats()
                        .maximumSize(Caches.defaultCache2Exp.getMaxSize())
                        .expireAfterWrite(Caches.defaultCache2Exp.ttl, TimeUnit.HOURS)
                        .build();
    }*/
 
}