code: public Double zscore(final String key, final String value) {
          return this.execute(new RedisClusterCallback<Double>() {
              public Double doInRedisCluster(RedisCluster redisCluster) {
                  return redisCluster.zscore(key, value);
              }
  
              public int getPartitionNumber() {
                  return GatewayPartitionNumber.get(key);
              }
  
              public AffinityState getState() {
                  return AffinityState.READ;
              }
          });
      }
docs: /*
  @see RedisClusterCommands#zscore(java.lang.String, java.lang.String)