/**
* 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);
}