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+package cn.com.ctop.okr.config;
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+
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+import com.fasterxml.jackson.annotation.JsonAutoDetect.Visibility;
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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.ObjectMapper.DefaultTyping;
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+import org.springframework.cache.CacheManager;
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+import org.springframework.cache.annotation.CachingConfigurerSupport;
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+import org.springframework.cache.annotation.EnableCaching;
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+import org.springframework.cache.interceptor.KeyGenerator;
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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.cache.RedisCacheWriter;
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+import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory;
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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.RedisSerializer;
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+import org.springframework.data.redis.serializer.StringRedisSerializer;
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+
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+import javax.annotation.Resource;
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+import java.lang.reflect.Method;
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+import java.time.Duration;
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+import java.util.Arrays;
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+
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+@Configuration
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+@EnableCaching
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+public class RedisConfig extends CachingConfigurerSupport {
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+
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+ @Resource
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+ private LettuceConnectionFactory lettuceConnectionFactory;
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+
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+ /**
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+ * @description 自定义的缓存key的生成策略 若想使用这个key
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+ * 只需要讲注解上keyGenerator的值设置为keyGenerator即可</br>
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+ * @return 自定义策略生成的key
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+ */
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+ @Override
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+ @Bean
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+ public KeyGenerator keyGenerator() {
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+ return new KeyGenerator() {
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+ @Override
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+ public Object generate(Object target, Method method, Object... params) {
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+
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+ StringBuilder sb = new StringBuilder();
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+ sb.append(target.getClass().getName());
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+ sb.append(method.getDeclaringClass().getName());
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+ Arrays.stream(params).map(Object::toString).forEach(sb::append);
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+ return sb.toString();
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+ }
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+ };
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+ }
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+
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+ /**
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+ * RedisTemplate配置
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+ */
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+ @Bean
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+ public RedisTemplate<String, Object> redisTemplate(LettuceConnectionFactory lettuceConnectionFactory) {
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+ // 设置序列化
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+ Jackson2JsonRedisSerializer<Object> jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer<Object>(Object.class);
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+ ObjectMapper om = new ObjectMapper();
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+ om.setVisibility(PropertyAccessor.ALL, Visibility.ANY);
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+ om.enableDefaultTyping(DefaultTyping.NON_FINAL);
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+ jackson2JsonRedisSerializer.setObjectMapper(om);
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+ // 配置redisTemplate
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+ RedisTemplate<String, Object> redisTemplate = new RedisTemplate<String, Object>();
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+ redisTemplate.setConnectionFactory(lettuceConnectionFactory);
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+ RedisSerializer<?> stringSerializer = new StringRedisSerializer();
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+ // key序列化
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+ redisTemplate.setKeySerializer(stringSerializer);
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+ // value序列化
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+ redisTemplate.setValueSerializer(jackson2JsonRedisSerializer);
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+ // Hash key序列化
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+ redisTemplate.setHashKeySerializer(stringSerializer);
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+ // Hash value序列化
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+ redisTemplate.setHashValueSerializer(jackson2JsonRedisSerializer);
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+ redisTemplate.afterPropertiesSet();
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+ return redisTemplate;
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+ }
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+
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+ /**
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+ * 缓存配置管理器
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+ */
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+ @Bean
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+ public CacheManager cacheManager(LettuceConnectionFactory factory) {
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+ // 以锁写入的方式创建RedisCacheWriter对象
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+ RedisCacheWriter writer = RedisCacheWriter.lockingRedisCacheWriter(factory);
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+ /**
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+ * 设置CacheManager的Value序列化方式为JdkSerializationRedisSerializer,
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+ * 但其实RedisCacheConfiguration默认就是使用 StringRedisSerializer序列化key,
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+ * JdkSerializationRedisSerializer序列化value, 所以以下注释代码就是默认实现,没必要写,直接注释掉
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+ */
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+ // RedisSerializationContext.SerializationPair pair =
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+ // RedisSerializationContext.SerializationPair.fromSerializer(new
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+ // JdkSerializationRedisSerializer(this.getClass().getClassLoader()));
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+ // RedisCacheConfiguration config =
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+ // RedisCacheConfiguration.defaultCacheConfig().serializeValuesWith(pair);
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+ // 创建默认缓存配置对象
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+
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+ // 创建默认缓存配置对象
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+ //设置缓存默认有效期3小时;
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+ RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig().entryTtl(Duration.ofHours(3));
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+
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+ RedisCacheManager cacheManager = new RedisCacheManager(writer, config);
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+ return cacheManager;
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+ }
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+
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+}
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