protected function saveChildImpression(Pap_Common_Banner $banner, Pap_Contexts_Tracking $context) { try { $parentBanner = $banner->getParentBanner(); $parentBanner->saveChildImpression($banner, $context->isUnique()); } catch (Gpf_DbEngine_NoRowException $e) { $this->setParentBannerNotExistsDebug($context); } }