ensureBinExists example

/** * {@inheritdoc} */
  public function setMultiple(array $items) {
    $try_again = FALSE;
    try {
      // The bin might not yet exist.       $this->doSetMultiple($items);
    }
    catch (\Exception $e) {
      // If there was an exception, try to create the bins.       if (!$try_again = $this->ensureBinExists()) {
        // If the exception happened for other reason than the missing bin         // table, propagate the exception.         throw $e;
      }
    }
    // Now that the bin has been created, try again if necessary.     if ($try_again) {
      $this->doSetMultiple($items);
    }
  }