public function getData(Parameters $parameters)
{
$countQueryBuilderModifier = function ($queryBuilder) {
$queryBuilder->select('COUNT(DISTINCT o.id) AS total_results')->setMaxResults(1);
};
$paginator = new Pagerfanta(new DoctrineDbalAdapter($this->queryBuilder, $countQueryBuilderModifier));
$paginator->setNormalizeOutOfRangePages(true);
$paginator->setCurrentPage($parameters->get('page', 1));
return $paginator;
}