Java Code Examples for org.springframework.data.redis.core.RedisTemplate#setHashValueSerializer()

/**
 * 覆盖默认的配置
 * @return RedisTemplate
 */
@Bean
public RedisTemplate<String,Object> redisTemplate(){
    RedisTemplate<String, Object> template = new RedisTemplate<>();
    template.setConnectionFactory(redisConnectionFactory);
    StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();
    FastJsonRedisSerializer<Object> fastJsonRedisSerializer = new FastJsonRedisSerializer<>(Object.class);


    // 设置value的序列化规则和key的序列化规则
    template.setKeySerializer(stringRedisSerializer);
    template.setValueSerializer(fastJsonRedisSerializer);
    template.setHashKeySerializer(stringRedisSerializer);
    template.setHashValueSerializer(fastJsonRedisSerializer);
    template.setDefaultSerializer(fastJsonRedisSerializer);
    template.afterPropertiesSet();
    return template;
}
 

@Bean
@ConditionalOnMissingBean( name = "redisTemplate" )
@Primary
public < T > RedisTemplate< String, T > redisTemplate( RedisConnectionFactory _rcf ){
    RedisTemplate< String, T > template = new RedisTemplate<>();

    //使用fastjson序列化
    // value值的序列化采用fastJsonRedisSerializer
    template.setValueSerializer( new FastJsonRedisSerializer<T>() );
    template.setHashValueSerializer( new FastJsonRedisSerializer<T>() );
    // key的序列化采用StringRedisSerializer
    template.setKeySerializer( new FastJsonRedisSerializer<T>() );
    template.setHashKeySerializer( new FastJsonRedisSerializer<T>() );

    template.setConnectionFactory( _rcf );
    // 开启事务
    template.setEnableTransactionSupport( true );
    template.afterPropertiesSet();

    return template;
}
 

@Bean(name = "redisTemplate")
@SuppressWarnings({"unchecked", "rawtypes"})
@ConditionalOnMissingBean(name = "redisTemplate")
public RedisTemplate<Object, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory) {
    RedisTemplate<Object, Object> template = new RedisTemplate<>();
    //使用 fastjson 序列化
    FastJsonRedisSerializer fastJsonRedisSerializer = new FastJsonRedisSerializer(Object.class);
    // value 值的序列化采用 fastJsonRedisSerializer
    template.setValueSerializer(fastJsonRedisSerializer);
    template.setHashValueSerializer(fastJsonRedisSerializer);
    // key 的序列化采用 StringRedisSerializer
    template.setKeySerializer(new StringRedisSerializer());
    template.setHashKeySerializer(new StringRedisSerializer());

    template.setConnectionFactory(redisConnectionFactory);
    return template;
}
 

@Bean(name = "redisTemplate")
@ConditionalOnMissingBean(name = "redisTemplate")
public RedisTemplate<Object, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory) {
    RedisTemplate<Object, Object> template = new RedisTemplate<>();
    //序列化
    FastJsonRedisSerializer<Object> fastJsonRedisSerializer = new FastJsonRedisSerializer<>(Object.class);
    // value值的序列化采用fastJsonRedisSerializer
    template.setValueSerializer(fastJsonRedisSerializer);
    template.setHashValueSerializer(fastJsonRedisSerializer);
    // 全局开启AutoType，这里方便开发，使用全局的方式
    ParserConfig.getGlobalInstance().setAutoTypeSupport(true);
    // 建议使用这种方式，小范围指定白名单
    // ParserConfig.getGlobalInstance().addAccept("com.dxj.domain");
    // key的序列化采用StringRedisSerializer
    template.setKeySerializer(new StringRedisSerializer());
    template.setHashKeySerializer(new StringRedisSerializer());
    template.setConnectionFactory(redisConnectionFactory);
    return template;
}
 

@Bean(name = "redisTemplate")
@ConditionalOnClass(RedisOperations.class)
public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory factory) {
    RedisTemplate<String, Object> template = new RedisTemplate<>();
    template.setConnectionFactory(factory);

    Jackson2JsonRedisSerializer<Object> jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer<>(Object.class);
    ObjectMapper mapper = new ObjectMapper();
    mapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
    mapper.activateDefaultTyping(mapper.getPolymorphicTypeValidator(), ObjectMapper.DefaultTyping.NON_FINAL);
    jackson2JsonRedisSerializer.setObjectMapper(mapper);

    StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();
    template.setKeySerializer(stringRedisSerializer);
    template.setHashKeySerializer(stringRedisSerializer);
    template.setValueSerializer(jackson2JsonRedisSerializer);
    template.setHashValueSerializer(jackson2JsonRedisSerializer);
    template.afterPropertiesSet();

    return template;
}
 

/**
 * springboot2.x 使用LettuceConnectionFactory 代替 RedisConnectionFactory
 * 在application.yml配置基本信息后,springboot2.x  RedisAutoConfiguration能够自动装配 LettuceConnectionFactory 和 RedisConnectionFactory 及其 RedisTemplate
 *
 * @param redisConnectionFactory
 * @return
 */
@Bean
public RedisTemplate redisTemplate(LettuceConnectionFactory redisConnectionFactory) {
    RedisTemplate<String, Object> template = new RedisTemplate<>();
    template.setConnectionFactory(redisConnectionFactory);

    //使用Jackson2JsonRedisSerializer来序列化和反序列化redis的value值
    Jackson2JsonRedisSerializer serializer = new Jackson2JsonRedisSerializer(Object.class);

    ObjectMapper mapper = new ObjectMapper();
    mapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
    mapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
    serializer.setObjectMapper(mapper);

    template.setValueSerializer(serializer);
    //使用StringRedisSerializer来序列化和反序列化redis的key值
    template.setKeySerializer(new StringRedisSerializer());
    template.setHashKeySerializer(new StringRedisSerializer());
    template.setHashValueSerializer(serializer);
    template.afterPropertiesSet();
    return template;
}
 

@Bean(name = "redisCountingTemplate")
RedisTemplate<String, Integer> redisCountingTemplate() {
    RedisTemplate<String, Integer> redisTemplate = new RedisTemplate<>();
    redisTemplate.setConnectionFactory(jedisConnectionFactory());
    redisTemplate.setKeySerializer(new StringRedisSerializer());
    redisTemplate.setHashKeySerializer(new StringRedisSerializer());
    redisTemplate.setHashValueSerializer(new GenericToStringSerializer<>(Integer.class));
    return redisTemplate;
}
 

/**
 * 设置数据存入 redis 的序列化方式
 * @param redisTemplate
 * @param factory
 */
private void initDomainRedisTemplate(RedisTemplate<String, Object> redisTemplate, RedisConnectionFactory factory) {
    //使用fastjson序列化
    FastJsonRedisSerializer fastJsonRedisSerializer = new FastJsonRedisSerializer(Object.class);
    // value值的序列化采用fastJsonRedisSerializer
    redisTemplate.setValueSerializer(fastJsonRedisSerializer);
    redisTemplate.setHashValueSerializer(fastJsonRedisSerializer);
    // key的序列化采用StringRedisSerializer
    redisTemplate.setKeySerializer(new StringRedisSerializer());
    redisTemplate.setHashKeySerializer(new StringRedisSerializer());
    redisTemplate.setConnectionFactory(factory);
    log.debug("自定义RedisTemplate加载完成");
}
 

/**
 * 设置数据存入 redis 的序列化方式,并开启事务
 * @param redisTemplate
 * @param factory
 */
private void initDomainRedisTemplate(RedisTemplate<String, Object> redisTemplate, RedisConnectionFactory factory) {
    //如果不配置Serializer，那么存储的时候缺省使用String，如果用User类型存储，那么会提示错误User can't cast to String！  
    redisTemplate.setKeySerializer(new StringRedisSerializer());
    redisTemplate.setHashKeySerializer(new StringRedisSerializer());
    redisTemplate.setHashValueSerializer(new GenericJackson2JsonRedisSerializer());
    redisTemplate.setValueSerializer(new GenericJackson2JsonRedisSerializer());
    // 开启事务
    redisTemplate.setEnableTransactionSupport(true);
    redisTemplate.setConnectionFactory(factory);
}
 

/**
 * redis序列化配置，使用lettuce客户端
 */
@Bean
public <T> RedisTemplate<String, T> redisTemplate(LettuceConnectionFactory redisConnectionFactory) {
    RedisTemplate<String, T> template = new RedisTemplate<>();
    template.setKeySerializer(new PrefixRedisSerializer());
    template.setValueSerializer(new GenericFastJsonRedisSerializer());
    template.setConnectionFactory(redisConnectionFactory);
    template.setHashKeySerializer(new StringRedisSerializer());
    template.setHashValueSerializer(new GenericFastJsonRedisSerializer());
    template.afterPropertiesSet();
    return template;
}
 

private <K, V> RedisTemplate<K, V> getRedisTemplate(Class<V> v){

        RedisTemplate<K, V> template = new RedisTemplate<>();
        template.setConnectionFactory(lettuceConnectionFactory);
        template.setKeySerializer(new StringRedisSerializer());

        template.setHashValueSerializer(new Jackson2JsonRedisSerializer<>(v));
        template.setValueSerializer(new Jackson2JsonRedisSerializer<>(v));
        template.afterPropertiesSet();

        return template;
    }
 

/**
 * Returns a configured {@link RedisTemplate}.
 * 
 * @return {@link RedisTemplate} String, {@link RateLimit}
 */
@Bean
public RedisTemplate<String, RateLimit> redisTemplateRate() {
     
     RedisTemplate<String, RateLimit> redisTemplate = new RedisTemplate<>();
     redisTemplate.setConnectionFactory(jedisConnectionFactory());
     redisTemplate.setKeySerializer(new StringRedisSerializer());
     redisTemplate.setValueSerializer(new GenericJackson2JsonRedisSerializer());
     redisTemplate.setHashKeySerializer(new StringRedisSerializer());
     redisTemplate.setHashValueSerializer(new GenericJackson2JsonRedisSerializer());
     return redisTemplate;
}
 

/**
 * 设置数据存入 redis 的序列化方式
 *
 * @param redisTemplate redisTemplate
 * @param factory       factory
 */
private void initDomainRedisTemplate(RedisTemplate<String, Object> redisTemplate, RedisConnectionFactory factory) {
    redisTemplate.setKeySerializer(new StringRedisSerializer());
    redisTemplate.setValueSerializer(new JdkSerializationRedisSerializer());
    redisTemplate.setHashKeySerializer(new StringRedisSerializer());
    redisTemplate.setHashValueSerializer(new GenericJackson2JsonRedisSerializer());
    redisTemplate.setConnectionFactory(factory);
}
 

@Bean(name = "limitRedisTemplate")
public RedisTemplate<String, RequestCount> limitRedisTemplate(RedisConnectionFactory cf) {
  RedisTemplate<String, RequestCount> redisTemplate = new RedisTemplate<>();
  redisTemplate.setKeySerializer(new StringRedisSerializer());
  redisTemplate.setValueSerializer(new Jackson2JsonRedisSerializer(RequestCount.class));
  redisTemplate.setHashKeySerializer(new StringRedisSerializer());
  redisTemplate.setHashValueSerializer(new Jackson2JsonRedisSerializer(RequestCount.class));
  redisTemplate.setEnableTransactionSupport(true);
  redisTemplate.setConnectionFactory(cf);
  return redisTemplate;
}
 

public static <V> RedisTemplate<String, V> getRedisTemplate(
    RedisConnectionFactory redisConnectionFactory) {
  RedisTemplate<String, V> redisTemplate = new RedisTemplate<>();
  StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();
  RqueueRedisSerializer rqueueRedisSerializer = new RqueueRedisSerializer();
  redisTemplate.setConnectionFactory(redisConnectionFactory);
  redisTemplate.setKeySerializer(stringRedisSerializer);
  redisTemplate.setValueSerializer(rqueueRedisSerializer);
  redisTemplate.setHashKeySerializer(stringRedisSerializer);
  redisTemplate.setHashValueSerializer(rqueueRedisSerializer);
  return redisTemplate;
}
 

@Bean
    // RedisConnectionFactory 连接工厂，Spring会自动注入这个Bean
    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory factory) {
        RedisTemplate<String, Object> template = new RedisTemplate<>();
        // 配置连接工厂
        template.setConnectionFactory(factory);

        RedisSerializer<String> redisSerializer = new StringRedisSerializer();
        //使用Jackson2JsonRedisSerializer来序列化和反序列化redis的value值（默认使用JDK的序列化方式）
        Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);

        ObjectMapper om = new ObjectMapper();
        // 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
        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        // 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
        om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);

        jackson2JsonRedisSerializer.setObjectMapper(om);

        // 设置key的序列化方式
        template.setKeySerializer(redisSerializer); // 序列化为String
        // 设置value的序列化方式
        template.setValueSerializer(jackson2JsonRedisSerializer);
//        // 设置hash的key的序列化方式   当value为hash时，hash有key和value，所以需要设置
//        template.setHashKeySerializer(RedisSerializer.string());
//        // 设置hash的value的序列化方式
//        template.setHashValueSerializer(RedisSerializer.json());
        //value hashmap序列化
        template.setHashValueSerializer(jackson2JsonRedisSerializer);

        template.afterPropertiesSet();  // 使上面设置生效
        return template;
    }
 

/**
 * redis序列化配置，使用lettuce客户端
 */
@Bean
public <T> RedisTemplate<String, T> redisTemplate(LettuceConnectionFactory redisConnectionFactory) {
    RedisTemplate<String, T> template = new RedisTemplate<>();
    template.setKeySerializer(new PrefixRedisSerializer());
    template.setValueSerializer(new GenericFastJsonRedisSerializer());
    template.setConnectionFactory(redisConnectionFactory);
    template.setHashKeySerializer(new StringRedisSerializer());
    template.setHashValueSerializer(new GenericFastJsonRedisSerializer());
    template.afterPropertiesSet();
    return template;
}
 

/**
 * redis序列化配置，使用lettuce客户端
 */
@Bean
public <T> RedisTemplate<String, T> redisTemplate(LettuceConnectionFactory redisConnectionFactory) {
    RedisTemplate<String, T> template = new RedisTemplate<>();
    template.setKeySerializer(new PrefixRedisSerializer());
    template.setValueSerializer(new GenericFastJsonRedisSerializer());
    template.setConnectionFactory(redisConnectionFactory);
    template.setHashKeySerializer(new StringRedisSerializer());
    template.setHashValueSerializer(new GenericFastJsonRedisSerializer());
    template.afterPropertiesSet();
    return template;
}
 

/**
 * redis序列化配置，使用lettuce客户端
 */
@Bean
public <T> RedisTemplate<String, T> redisTemplate(LettuceConnectionFactory redisConnectionFactory) {
    RedisTemplate<String, T> template = new RedisTemplate<>();
    template.setKeySerializer(new PrefixRedisSerializer());
    template.setValueSerializer(new GenericFastJsonRedisSerializer());
    template.setConnectionFactory(redisConnectionFactory);
    template.setHashKeySerializer(new StringRedisSerializer());
    template.setHashValueSerializer(new GenericFastJsonRedisSerializer());
    template.afterPropertiesSet();
    return template;
}
 

/**
 * 配置自定义Json序列化器 jackson2
 *
 * @param redisConnectionFactory ：redis连接工厂
 * @return ：RedisTemplate
 */
@Bean
public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory) {
    RedisTemplate<String, Object> template = new RedisTemplate<>();
    template.setConnectionFactory(redisConnectionFactory);
    // 使用jackson2序列化
    Jackson2JsonRedisSerializer<Object> jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer<>(Object.class);

    ObjectMapper mapper = new ObjectMapper();
    mapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
    mapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
    mapper.registerModule(new Jdk8Module())
            .registerModule(new JavaTimeModule());
    jackson2JsonRedisSerializer.setObjectMapper(mapper);
    StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();

    // key采用String的序列化方式
    template.setKeySerializer(stringRedisSerializer);
    // hash的key也采用String的序列化方式
    template.setHashKeySerializer(stringRedisSerializer);
    // value序列化方式采用jackson
    template.setValueSerializer(jackson2JsonRedisSerializer);

    // hash的value序列化方式采用jackson
    template.setHashValueSerializer(jackson2JsonRedisSerializer);
    template.afterPropertiesSet();


    // 设置默认使用Jackson序列化
    template.setDefaultSerializer(new Jackson2JsonRedisSerializer<Object>(Object.class));
    return template;
}