/**
  * 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->getNotNulls())) {
         foreach ($annotation->getNotNulls() as $notNull) {
             $queryBuilder->andWhere(trim($notNull[0]) . '.' . trim($notNull[1]) . ' IS NOT NULL');
         }
     }
     return $this;
 }