/**
  * Evaluates inner joins
  *
  * @param QueryBuilder        $queryBuilder Query builder
  * @param AnnotationPaginator $annotation   Annotation
  *
  * @return PaginatorEvaluatorInterface self Object
  */
 public function evaluate(QueryBuilder $queryBuilder, AnnotationPaginator $annotation)
 {
     if (is_array($annotation->getNulls())) {
         foreach ($annotation->getNulls() as $null) {
             $queryBuilder->andWhere(trim($null[0]) . '.' . trim($null[1]) . ' IS NULL');
         }
     }
     return $this;
 }