/**
 * Set entity to use for attributes
 *
 * @param MagentoEavModelEntityAbstractEntity $entity
 * @return $this
 * @throws LocalizedException
 */
public function setEntity($entity)
{
    if ($entity instanceof MagentoEavModelEntityAbstractEntity) {
        $this->_entity = $entity;
    } elseif (is_string($entity) || $entity instanceof MagentoFrameworkAppConfigElement) {
        $this->_entity = $this->_eavEntityFactory->create()->setType($entity);
    } else {
        throw new LocalizedException(__('Invalid entity supplied: %1', print_r($entity, 1)));
    }
    return $this;
}