protected function getFilter()
    {
        $supports = $this->supports();
        $filters = $this->entityManager->getFilters()->getEnabledFilters();
        $fFilter = null;

        foreach ($filters as $name => $filter) {
            if ($filter instanceof $supports) {
                $fFilter = $filter;

                break;
            }
        }

        return $fFilter;
    }