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package cn.ibizlab.util.cache;
import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.github.benmanes.caffeine.cache.CaffeineSpec;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.cache.CacheProperties;
import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.cache.RedisCacheWriter;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.listener.RedisMessageListenerContainer;
import org.springframework.data.redis.listener.adapter.MessageListenerAdapter;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.StringRedisSerializer;
import org.springframework.util.StringUtils;
import java.time.Duration;
import cn.ibizlab.util.cache.cacheManager.LayeringCacheManager;
import cn.ibizlab.util.cache.listener.RedisMessageListener;
import cn.ibizlab.util.cache.redis.CustomJacksonSerializer;
import cn.ibizlab.util.enums.RedisChannelTopic;
/**
* 缓存配置类
* 1级缓存为caffeine
* 2级缓存为redis
*/
@EnableCaching
@Configuration
@EnableConfigurationProperties(CacheProperties.class)
@ConditionalOnExpression("'${ibiz.cacheLevel:None}'.equals('L2')")
public class RedisCacheConfig {
@Value("${spring.cache.redis.time-to-live:3600}")
private long timeToLive;
/**
* 分层缓存管理器
* @param redisConnectionFactory
* @param cacheProperties
* @return
*/
@Bean
@Primary
public CacheManager cacheManager(RedisConnectionFactory redisConnectionFactory ,CacheProperties cacheProperties){
LayeringCacheManager layeringCacheManager=new LayeringCacheManager(redisCacheWriter(redisConnectionFactory),redisCacheConfiguration(),redisTemplate(redisConnectionFactory));
String strCacheConfig = cacheProperties.getCaffeine().getSpec();
if (StringUtils.hasText(strCacheConfig)) {
layeringCacheManager.setCaffeineCacheConfig(CaffeineSpec.parse(strCacheConfig));
}
return layeringCacheManager;
}
/**
* redis配置：设置过期时间及序列化方式
* @return
*/
@Bean
public RedisCacheConfiguration redisCacheConfiguration(){
CustomJacksonSerializer jackson2JsonRedisSerializer = new CustomJacksonSerializer(Object.class);
ObjectMapper om = new ObjectMapper();
om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
jackson2JsonRedisSerializer.setObjectMapper(om);
RedisCacheConfiguration configuration = RedisCacheConfiguration.defaultCacheConfig()
.entryTtl(Duration.ofSeconds(timeToLive))
.serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(new StringRedisSerializer()))
.serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(jackson2JsonRedisSerializer))
.disableCachingNullValues();
return configuration;
}
/**
* 创建redis缓存
* @param connectionFactory
* @return
*/
@Bean
public RedisCacheWriter redisCacheWriter(RedisConnectionFactory connectionFactory){
RedisCacheWriter redisCacheWriter = RedisCacheWriter.nonLockingRedisCacheWriter(connectionFactory);
return redisCacheWriter;
}
/**
* 发送redis广播
* @param factory
* @return
*/
@Bean
public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory factory) {
RedisTemplate<String, Object> template = new RedisTemplate<>();
template.setConnectionFactory(factory);
CustomJacksonSerializer jacksonSerial = new CustomJacksonSerializer(Object.class);
ObjectMapper om = new ObjectMapper();
om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
jacksonSerial.setObjectMapper(om);
template.setValueSerializer(jacksonSerial);
template.setKeySerializer(new StringRedisSerializer());
template.setHashKeySerializer(new StringRedisSerializer());
template.setHashValueSerializer(jacksonSerial);
template.afterPropertiesSet();
return template;
}
/**
* 监听redis指定频道
* @param redisConnectionFactory
* @param cacheManager
* @param redisTemplate
* @return
*/
@Bean
RedisMessageListenerContainer redisContainer(RedisConnectionFactory redisConnectionFactory, CacheManager cacheManager , RedisTemplate redisTemplate) {
RedisMessageListenerContainer container = new RedisMessageListenerContainer();
MessageListenerAdapter messageListener=new RedisMessageListener(cacheManager,redisTemplate);
container.setConnectionFactory(redisConnectionFactory);
container.addMessageListener(messageListener, RedisChannelTopic.REDIS_CACHE_DELETE_TOPIC.getChannelTopic());
container.addMessageListener(messageListener, RedisChannelTopic.REDIS_CACHE_CLEAR_TOPIC.getChannelTopic());
return container;
}
}