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+package com.css.simulation.resource.video.common.configuration.redis;
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+
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+import com.fasterxml.jackson.annotation.JsonAutoDetect;
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+import com.fasterxml.jackson.annotation.PropertyAccessor;
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+import com.fasterxml.jackson.databind.ObjectMapper;
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+import com.fasterxml.jackson.databind.jsontype.impl.LaissezFaireSubTypeValidator;
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+import org.springframework.cache.CacheManager;
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+import org.springframework.cache.annotation.EnableCaching;
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+import org.springframework.context.annotation.Bean;
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+import org.springframework.context.annotation.Configuration;
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+import org.springframework.data.redis.cache.RedisCacheConfiguration;
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+import org.springframework.data.redis.cache.RedisCacheManager;
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+import org.springframework.data.redis.connection.RedisConnectionFactory;
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+import org.springframework.data.redis.core.RedisTemplate;
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+import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
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+import org.springframework.data.redis.serializer.RedisSerializationContext;
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+import org.springframework.data.redis.serializer.RedisSerializer;
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+import org.springframework.data.redis.serializer.StringRedisSerializer;
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+
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+import java.time.Duration;
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+import java.util.HashMap;
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+import java.util.Map;
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+
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+@Configuration
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+@EnableCaching
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+public class RedisTemplateConfiguration {
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+
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+ @Bean
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+ public RedisSerializer<Object> jackson2JsonRedisSerializer() {
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+ // 使用 Jackson2JsonRedisSerializer 来序列化和反序列化 redis 的 value 值。
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+ Jackson2JsonRedisSerializer<Object> serializer = new Jackson2JsonRedisSerializer<>(Object.class);
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+ ObjectMapper mapper = new ObjectMapper();
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+ // 指定要序列化的域，field,get和set,以及修饰符范围，ANY是都有包括private和public
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+ mapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
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+ // 指定序列化输入的类型，类必须是非 final 修饰的，final修饰的类，比如 String, Integer 等会跑出异常
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+ mapper.activateDefaultTyping(LaissezFaireSubTypeValidator.instance, ObjectMapper.DefaultTyping.NON_FINAL);
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+ serializer.setObjectMapper(mapper);
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+ return serializer;
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+ }
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+
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+ @Bean
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+ public CacheManager cacheManager(RedisConnectionFactory connectionFactory) {
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+ RedisCacheConfiguration configuration = RedisCacheConfiguration.defaultCacheConfig();
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+ configuration = configuration
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+ // 设置 key 为 string 序列化
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+ .serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(new StringRedisSerializer()))
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+ // 设置 value 为 json 序列化
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+ .serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(jackson2JsonRedisSerializer()))
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+ // 不缓存空值
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+ .disableCachingNullValues()
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+ // 设置缓存默认过期时间(30 分钟)
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+ .entryTtl(Duration.ofMinutes(30L))
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+ ;
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+ // 特殊缓存空间应用不同的配置
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+ Map<String, RedisCacheConfiguration> map = new HashMap<>();
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+ map.put("miFirst", configuration.entryTtl(Duration.ofMinutes(30L)));
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+ map.put("miSecond", configuration.entryTtl(Duration.ofHours(1L)));
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+
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+ return RedisCacheManager.builder(connectionFactory)
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+ .cacheDefaults(configuration) // 默认配置
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+ .withInitialCacheConfigurations(map) // 特殊缓存
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+ .transactionAware() // 事务
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+ .build();
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+ }
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+
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+ @Bean
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+ public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory connectionFactory) {
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+ RedisTemplate<String, Object> template = new RedisTemplate<>();
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+ template.setConnectionFactory(connectionFactory);
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+ StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();
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+ // key 采用 String 的序列化方式
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+ template.setKeySerializer(stringRedisSerializer);
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+ // hash 的 key 采用 String 的序列化方式
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+ template.setHashKeySerializer(stringRedisSerializer);
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+ // value 采用 jackson 的序列化方式
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+ template.setValueSerializer(jackson2JsonRedisSerializer());
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+ // hash 的 value 采用 jackson 的序列化方式
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+ template.setHashValueSerializer(jackson2JsonRedisSerializer());
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+ template.afterPropertiesSet();
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+ return template;
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+ }
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+
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+
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+}
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root