Exemplo n.º 1
0
 /**
  * Returns the first object in the result set, if any.
  *
  * @return mixed The first object of the result set or NULL if the result set was empty
  * @api
  */
 public function getFirst()
 {
     if (is_array($this->queryResult)) {
         $queryResult =& $this->queryResult;
     } else {
         $query = clone $this->query;
         $query->setLimit(1);
         $queryResult = $this->dataMapper->mapToObjects($this->persistenceManager->getObjectDataByQuery($query));
     }
     return isset($queryResult[0]) ? $queryResult[0] : NULL;
 }
Exemplo n.º 2
0
 /**
  * Returns the object with the (internal) identifier, if it is known to the
  * backend. Otherwise NULL is returned.
  *
  * @param mixed $identifier
  * @param string $objectType
  * @param boolean $useLazyLoading This option is ignored in this persistence manager
  * @return object The object for the identifier if it is known, or NULL
  * @api
  */
 public function getObjectByIdentifier($identifier, $objectType = NULL, $useLazyLoading = FALSE)
 {
     if (isset($this->newObjects[$identifier])) {
         return $this->newObjects[$identifier];
     }
     if ($this->persistenceSession->hasIdentifier($identifier)) {
         return $this->persistenceSession->getObjectByIdentifier($identifier);
     } else {
         $objectData = $this->backend->getObjectDataByIdentifier($identifier, $objectType);
         if ($objectData !== FALSE) {
             return $this->dataMapper->mapToObject($objectData);
         } else {
             return NULL;
         }
     }
 }