/**
* Attach the query for the stem field. It will build a set of common
* terms query if use_common_terms is true for the stems clause or a
* multi match (cross_fields) if false.
*
* @param \Elastica\Query\Bool $query the boolean query to attach the new
* clause
* @param array $stemFields of boost field
* @param string $queryString the query
*/
private function attachMultiFieldsStemClause(\Elastica\Query\Bool $query, array $stemFields, $queryString)
{
if ($this->profile['stems_clause']['use_common_terms'] === true) {
$bool = new \Elastica\Query\Bool();
$bool->setMinimumNumberShouldMatch(1);
$this->attachCommonTermsClause($bool, $stemFields, $queryString, $this->profile['stems_clause']);
$query->addShould($bool);
} else {
$query->addShould($this->buildCrossFields($stemFields, $queryString, $this->profile['stems_clause']['min_should_match']));
}
}
