com.github.trang.redisson.autoconfigure.CompositeCacheManagerAutoConfiguration Maven / Gradle / Ivy

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package com.github.trang.redisson.autoconfigure;

import com.github.trang.autoconfigure.condition.ConditionalOnBeans;
import com.github.trang.autoconfigure.condition.ConditionalOnMissingBeans;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.cache.CacheAutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.cache.CacheManager;
import org.springframework.cache.interceptor.CacheAspectSupport;
import org.springframework.cache.support.CompositeCacheManager;
import org.springframework.cache.support.NoOpCacheManager;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;

import java.util.List;

/**
 * CompositeCacheManager 自动配置
 *
 * @author trang
 */
@Configuration
@ConditionalOnBeans({CacheAspectSupport.class, CacheManager.class})
@ConditionalOnMissingBeans({CompositeCacheManager.class, NoOpCacheManager.class})
@ConditionalOnProperty(prefix = "spring.cache", name = "fallbackToNoOpCache", havingValue = "true")
@AutoConfigureAfter({CacheAutoConfiguration.class, RedissonCacheManagerAutoConfiguration.class})
@Slf4j
public class CompositeCacheManagerAutoConfiguration {

    private List cacheManagers;

    /**
     * 构造 CacheManager，只有在配置 fallbackToNoOpCache 后才会创建
     *
     * @return CompositeCacheManager cacheManager
     */
    @Bean
    @Primary
    public CompositeCacheManager cacheManager() {
        log.info("------ 初始化 CompositeCacheManager ------");
        CompositeCacheManager compositeCacheManager = new CompositeCacheManager();
        if (cacheManagers != null && !cacheManagers.isEmpty()) {
            compositeCacheManager.setCacheManagers(cacheManagers);
        }
        // 设置 NoOpCacheManager，判断当获取不存在的 Cache 时是否会抛出异常
        compositeCacheManager.setFallbackToNoOpCache(true);
        return compositeCacheManager;
    }

    @Autowired(required = false)
    public void setCacheManagers(List cacheManagers) {
        this.cacheManagers = cacheManagers;
    }

}