/**
* Returns the (internal) identifier for the object, if it is known to the
* backend. Otherwise NULL is returned.
*
* @param object $object
* @return string|NULL The identifier for the object if it is known, or NULL
*/
public function getIdentifierByObject($object)
{
if ($object instanceof \TYPO3\CMS\Extbase\Persistence\Generic\LazyLoadingProxy) {
$object = $object->_loadRealInstance();
if (!is_object($object)) {
return null;
}
}
return $this->session->getIdentifierByObject($object);
}
/**
* Returns the node identifier for the given object
*
* @param object $object
* @throws \InvalidArgumentException
* @throws \TYPO3\CMS\Extbase\Persistence\Exception\UnknownObjectException
* @return string
* @deprecated since 6.1, will be removed two versions later, use the persistence session instead
*/
public function getIdentifierByObject($object)
{
return $this->persistenceSession->getIdentifierByObject($object);
}
