GraphAware\Reco4PHP\Engine\RecommendationEngine::postProcessors PHP 메소드

    public function postProcessors() : array;

 public function execute(NodeInterface $input, Recommendations $recommendations, RecommendationEngine $recommendationEngine)
 {
     $this->stack = $this->databaseService->getDriver()->stack('post_process_' . $recommendationEngine->name());
     foreach ($recommendationEngine->postProcessors() as $postProcessor) {
         if ($postProcessor instanceof CypherAwarePostProcessor) {
             foreach ($recommendations->getItems() as $recommendation) {
                 $this->prepareQuery($input, $recommendation, $postProcessor);
             }
         }
     }
     try {
         $results = $this->databaseService->getDriver()->runStack($this->stack);
         $this->stack = null;
         return $results;
     } catch (\Exception $e) {
         throw new \RuntimeException('PostProcess Query Exception - ' . $e->getMessage());
     }
 }