Elastica\Query::setQuery PHP Method

    public function setQuery(AbstractQuery $query)
    {
        return $this->setParam('query', $query);
    }

 /**
  * @return Query
  */
 public function getESQuery()
 {
     if (!$this->esQuery) {
         $this->esQuery = new Query();
         $this->boolQuery = new Query\BoolQuery();
         $this->esQuery->setQuery($this->boolQuery);
         $familyQuery = new Query\Match('family', implode(' ', $this->family->getMatchingCodes()));
         $this->boolQuery->addMust($familyQuery);
     }
     return $this->esQuery;
 }