/** * Finds an object from the repository by searching for its identity properties. * * @param array $identityProperties Property names and values to search for * @param string $type The object type to look for * @return mixed Either the object matching the identity or FALSE if no object was found * @throws \RuntimeException if more than one object was found * @author Robert Lemke <*****@*****.**> * @author Karsten Dambekalns <*****@*****.**> */ protected function findObjectByIdentityProperties(array $identityProperties, $type) { $query = $this->queryFactory->create($type); $classSchema = $this->reflectionService->getClassSchema($type); $equals = array(); foreach ($classSchema->getIdentityProperties() as $propertyName => $propertyType) { if (isset($identityProperties[$propertyName])) { if ($propertyType === 'string') { $equals[] = $query->equals($propertyName, $identityProperties[$propertyName], FALSE); } else { $equals[] = $query->equals($propertyName, $identityProperties[$propertyName]); } } } if (count($equals) === 1) { $constraint = current($equals); } else { $constraint = $query->logicalAnd(current($equals), next($equals)); while (($equal = next($equals)) !== FALSE) { $constraint = $query->logicalAnd($constraint, $equal); } } $objects = $query->matching($constraint)->execute(); if (count($objects) === 1) { return current($objects); } elseif (count($objects) === 0) { return FALSE; } else { throw new \RuntimeException('More than one object was returned for the given identity, this is a constraint violation.', 1259612399); } }
/** * Returns a query for objects of this repository * * @return \F3\FLOW3\Persistence\QueryInterface * @author Robert Lemke <*****@*****.**> * @author Karsten Dambekalns <*****@*****.**> * @api */ public function createQuery() { return $this->queryFactory->create($this->objectType); }