code: public function findByNode($nodeId, $locale, $siteId){
          $qa = $this->createAggregationQuery();
  
          $qa->match(array(
              'nodeId' => $nodeId,
              'locale' => $locale,
              'siteId' => $siteId,
          ));
  
          return $this->hydrateAggregateQuery($qa);
      }
docs: @param string $nodeId
  @param string $locale
  @param string $siteId
  
  @return array