Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\taxonomy;
Chris@0: 
Chris@0: use Drupal\Core\Config\Entity\ConfigEntityStorage;
Chris@0: 
Chris@0: /**
Chris@0:  * Defines a storage handler class for taxonomy vocabularies.
Chris@0:  */
Chris@0: class VocabularyStorage extends ConfigEntityStorage implements VocabularyStorageInterface {
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function resetCache(array $ids = NULL) {
Chris@0:     drupal_static_reset('taxonomy_vocabulary_get_names');
Chris@0:     parent::resetCache($ids);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getToplevelTids($vids) {
Chris@17:     $tids = \Drupal::entityQuery('taxonomy_term')
Chris@17:       ->condition('vid', $vids, 'IN')
Chris@17:       ->condition('parent.target_id', 0)
Chris@17:       ->execute();
Chris@17: 
Chris@17:     return array_values($tids);
Chris@0:   }
Chris@0: 
Chris@0: }