class ViewsEntityRow

class ViewsEntityRow implements DerivativeInterface {

  /**
   * Stores all entity row plugin information.
   *
   * @var array
   */
  protected $derivatives = array();

  /**
   * {@inheritdoc}
   */
  public function getDerivativeDefinition($derivative_id, array $base_plugin_definition) {
    if (!empty($this->derivatives) && !empty($this->derivatives[$derivative_id])) {
      return $this->derivatives[$derivative_id];
    }
    $this
      ->getDerivativeDefinitions($base_plugin_definition);
    return $this->derivatives[$derivative_id];
  }

  /**
   * {@inheritdoc}
   */
  public function getDerivativeDefinitions(array $base_plugin_definition) {
    $entity_types = \Drupal::entityManager()
      ->getDefinitions();
    $views_data = Views::viewsData();
    foreach ($entity_types as $entity_type => $entity_info) {

      // Just add support for entity types which have a views integration.
      if (isset($entity_info['base_table']) && $views_data
        ->get($entity_info['base_table']) && \Drupal::entityManager()
        ->hasController($entity_type, 'render')) {
        $this->derivatives[$entity_type] = array(
          'id' => 'entity:' . $entity_type,
          'module' => 'views',
          'title' => $entity_info['label'],
          'help' => t('Display the @label', array(
            '@label' => $entity_info['label'],
          )),
          'base' => array(
            $entity_info['base_table'],
          ),
          'entity_type' => $entity_type,
          'display_types' => array(
            'normal',
          ),
          'class' => $base_plugin_definition['class'],
        );
      }
    }
    return $this->derivatives;
  }

}