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