/**
* Return the list of queries associated to a clause.
*
* @param QueryInterface $query Bool query.
* @param string $clause Current clause (must, should, must_not).
*
* @return QueryInterface[]
*/
private function getQueryClause($query, $clause)
{
$queries = $query->getMust();
if ($clause == self::QUERY_CONDITION_NOT) {
$queries = $query->getMustNot();
} elseif ($clause == self::QUERY_CONDITION_SHOULD) {
$queries = $query->getShould();
}
return $queries;
}
