/**
* Returns the object with the (internal) identifier, if it is known to the
* backend. Otherwise NULL is returned.
*
* @param string $identifier
* @param string $className
* @return object The object for the identifier if it is known, or NULL
*/
public function getObjectByIdentifier($identifier, $className)
{
if ($this->identityMap->hasIdentifier($identifier, $className)) {
return $this->identityMap->getObjectByIdentifier($identifier, $className);
} else {
$query = $this->queryFactory->create($className);
return $query->matching($query->withUid($identifier))->execute()->getFirst();
}
}
/**
* Maps a single row on an object of the given class
*
* @param string $className The name of the target class
* @param array $row A single array with field_name => value pairs
* @return object An object of the given class
*/
protected function mapSingleRow($className, array $row)
{
if ($this->identityMap->hasIdentifier($row['uid'], $className)) {
$object = $this->identityMap->getObjectByIdentifier($row['uid'], $className);
} else {
$object = $this->createEmptyObject($className);
$this->identityMap->registerObject($object, $row['uid']);
$this->thawProperties($object, $row);
$object->_memorizeCleanState();
$this->persistenceSession->registerReconstitutedObject($object);
}
return $object;
}
/**
* Returns the object with the (internal) identifier, if it is known to the
* backend. Otherwise NULL is returned.
*
* @param string $identifier
* @param string $className
* @return object The object for the identifier if it is known, or NULL
*/
public function getObjectByIdentifier($identifier, $className)
{
if ($this->identityMap->hasIdentifier($identifier, $className)) {
return $this->identityMap->getObjectByIdentifier($identifier, $className);
} else {
$query = $this->queryFactory->create($className);
$result = $query->matching($query->withUid($identifier))->execute();
$object = NULL;
if (count($result) > 0) {
$object = current($result);
}
return $object;
}
}
/**
* Finds an object matching the given identifier.
*
* @param int $uid The identifier of the object to find
* @return object The matching object if found, otherwise NULL
* @api
*/
public function findByUid($uid)
{
if ($this->identityMap->hasIdentifier($uid, $this->objectType)) {
$object = $this->identityMap->getObjectByIdentifier($uid, $this->objectType);
} else {
$query = $this->createQuery();
$query->getQuerySettings()->setRespectSysLanguage(FALSE);
$query->getQuerySettings()->setRespectStoragePage(FALSE);
$object = $query->matching($query->equals('uid', $uid))->execute()->getFirst();
if ($object !== NULL) {
$this->identityMap->registerObject($object, $uid);
}
}
return $object;
}
