class EventListener in Search API 8

Listens to Database Search events for testing purposes.

Hierarchy

• class \Drupal\search_api_test_db\EventListener implements \Symfony\Component\EventDispatcher\EventSubscriberInterface

See also

\Drupal\Tests\search_api_db\Kernel\BackendTest

1 string reference to 'EventListener'

search_api_test_db.services.yml in tests/search_api_test_db/search_api_test_db.services.yml

tests/search_api_test_db/search_api_test_db.services.yml

1 service uses EventListener

search_api_test_db.event_listener in tests/search_api_test_db/search_api_test_db.services.yml

Drupal\search_api_test_db\EventListener

File

tests/search_api_test_db/src/EventListener.php, line 14

Namespace

Drupal\search_api_test_db

class EventListener implements EventSubscriberInterface {

  /**
   * {@inheritdoc}
   */
  public static function getSubscribedEvents() {
    return [
      SearchApiDbEvents::QUERY_PRE_EXECUTE => 'queryPreExecute',
    ];
  }

  /**
   * Reacts to the query pre-execute event.
   *
   * @param \Drupal\search_api_db\Event\QueryPreExecuteEvent $event
   *   The query pre-execute event.
   */
  public function queryPreExecute(QueryPreExecuteEvent $event) {
    $option = 'search_api_test_db.event.query_pre_execute';
    if ($event
      ->getQuery()
      ->getOption("{$option}.1")) {
      $event
        ->getDbQuery()
        ->alwaysFalse();
    }
    if ($event
      ->getQuery()
      ->getOption("{$option}.2")) {
      $db_query = \Drupal::database()
        ->select('search_api_item')
        ->alwaysFalse();
      $event
        ->setDbQuery($db_query);
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
EventListener::getSubscribedEvents	public static	function	Returns an array of event names this subscriber wants to listen to.
EventListener::queryPreExecute	public	function	Reacts to the query pre-execute event.