MetaModels\Factory::translateIdToMetaModelName PHP Method

    public function translateIdToMetaModelName($metaModelId)
    {
        if (!isset($this->lookupMap[$metaModelId])) {
            $event = new GetMetaModelNameFromIdEvent($metaModelId);
            $this->getEventDispatcher()->dispatch($event::NAME, $event);
            $this->lookupMap[$metaModelId] = $event->getMetaModelName();
        }
        return $this->lookupMap[$metaModelId];
    }

 /**
  * Get all attribute ids of a metamodel.
  *
  * @param \DataContainer $dataContainer The data container driver.
  *
  * @return array
  */
 public function getAttributes($dataContainer)
 {
     $options = array();
     if ($dataContainer->activeRecord) {
         $layer = LayerModel::findByPk($dataContainer->activeRecord->pid);
         if (!$layer) {
             return $options;
         }
         $name = $this->metaModelsFactory->translateIdToMetaModelName($layer->metamodel);
         $metaModel = $this->metaModelsFactory->getMetaModel($name);
         if ($metaModel) {
             foreach ($metaModel->getAttributes() as $attribute) {
                 $options[$attribute->get('id')] = $attribute->getName();
             }
         }
     }
     return $options;
 }