com.github.trang.redisson.autoconfigure.CompositeCacheManagerAutoConfiguration Maven / Gradle / Ivy
package com.github.trang.redisson.autoconfigure;
import com.github.trang.autoconfigure.condition.ConditionalOnBeans;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.ObjectProvider;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.cache.CacheAutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
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})
@ConditionalOnMissingBean({CompositeCacheManager.class, NoOpCacheManager.class})
@ConditionalOnProperty(prefix = "spring.cache", name = "fallbackToNoOpCache", havingValue = "true")
@AutoConfigureAfter({CacheAutoConfiguration.class, RedissonCacheManagerAutoConfiguration.class})
@Slf4j
public class CompositeCacheManagerAutoConfiguration {
private List cacheManagers;
public CompositeCacheManagerAutoConfiguration(ObjectProvider> cacheManagers) {
this.cacheManagers = cacheManagers.getIfAvailable();
}
/**
* 构造 CacheManager，只有在配置 fallbackToNoOpCache 后才会创建
*
* @return CompositeCacheManager cacheManager
*/
@Bean
@Primary
public CompositeCacheManager cacheManager() {
log.info("composite cache-manager init...");
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;
}
}