/**
* Returns the object with the (internal) identifier, if it is known to the
* backend. Otherwise NULL is returned.
*
* @param string $identifier
* @return object The object for the identifier if it is known, or NULL
* @author Karsten Dambekalns <*****@*****.**>
* @api
*/
public function getObjectByIdentifier($identifier)
{
if ($this->persistenceSession->hasIdentifier($identifier)) {
return $this->persistenceSession->getObjectByIdentifier($identifier);
} else {
$objectData = $this->backend->getObjectDataByIdentifier($identifier);
if ($objectData !== FALSE) {
return $this->dataMapper->mapToObject($objectData);
} else {
return NULL;
}
}
}
/**
* Executes the query and returns the result
*
* @return array The query result
* @author Karsten Dambekalns <*****@*****.**>
* @api
*/
public function execute()
{
return $this->dataMapper->mapToObjects($this->persistenceManager->getBackend()->getObjectDataByQuery($this));
}
