package cn.besteam.config;
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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.DeserializationFeature;
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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.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.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.RedisSerializer;
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import org.springframework.data.redis.serializer.StringRedisSerializer;
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import java.lang.reflect.Method;
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@Configuration
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@EnableCaching // 开启缓存支持
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public class RedisConfig extends CachingConfigurerSupport {
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/**
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* @return 自定义策略生成的key
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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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*/
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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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StringBuffer sb = new StringBuffer();
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sb.append(target.getClass().getName());
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sb.append(method.getName());
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for (Object obj : params) {
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sb.append(obj.toString());
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}
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return sb.toString();
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}
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};
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}
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// 这个注释不能放开，发现自定义缓存管理器，会导致实体解析失败
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//TODO
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// @Bean
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// public CacheManager cacheManager() {
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// RedisCacheManager.RedisCacheManagerBuilder builder = RedisCacheManager.RedisCacheManagerBuilder.fromConnectionFactory(lettuceConnectionFactory);
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// return builder.build();
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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(RedisConnectionFactory redisConnectionFactory) {
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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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om.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
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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(redisConnectionFactory);
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RedisSerializer<?> stringSerializer = new StringRedisSerializer();
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redisTemplate.setKeySerializer(stringSerializer);// key序列化
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redisTemplate.setValueSerializer(jackson2JsonRedisSerializer);// value序列化
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redisTemplate.setHashKeySerializer(stringSerializer);// Hash key序列化
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redisTemplate.setHashValueSerializer(jackson2JsonRedisSerializer);// Hash value序列化
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redisTemplate.afterPropertiesSet();
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return redisTemplate;
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}
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}
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