Return a query object for the given type.
| public createQueryForType ( string $type ) : Neos\Flow\Persistence\QueryInterface | ||
| $type | string | |
| Результат | Neos\Flow\Persistence\QueryInterface | |
/**
* 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 object Either the object matching the identity or NULL if no object was found
* @throws DuplicateObjectException if more than one object was found
*/
protected function findObjectByIdentityProperties(array $identityProperties, $type)
{
$query = $this->persistenceManager->createQueryForType($type);
$classSchema = $this->reflectionService->getClassSchema($type);
$equals = [];
foreach ($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();
$numberOfResults = $objects->count();
if ($numberOfResults === 1) {
return $objects->getFirst();
} elseif ($numberOfResults === 0) {
return null;
} else {
throw new DuplicateObjectException('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 QueryInterface
* @api
*/
public function createQuery()
{
$query = $this->persistenceManager->createQueryForType($this->entityClassName);
if ($this->defaultOrderings !== []) {
$query->setOrderings($this->defaultOrderings);
}
return $query;
}
/**
* Checks if the given value is a unique entity depending on it's identity properties or
* custom configured identity properties.
*
* @param mixed $value The value that should be validated
* @return void
* @throws InvalidValidationOptionsException
* @api
*/
protected function isValid($value)
{
if (!is_object($value)) {
throw new InvalidValidationOptionsException('The value supplied for the UniqueEntityValidator must be an object.', 1358454270);
}
$classSchema = $this->reflectionService->getClassSchema(TypeHandling::getTypeForValue($value));
if ($classSchema === null || $classSchema->getModelType() !== ClassSchema::MODELTYPE_ENTITY) {
throw new InvalidValidationOptionsException('The object supplied for the UniqueEntityValidator must be an entity.', 1358454284);
}
if ($this->options['identityProperties'] !== null) {
$identityProperties = $this->options['identityProperties'];
foreach ($identityProperties as $propertyName) {
if ($classSchema->hasProperty($propertyName) === false) {
throw new InvalidValidationOptionsException(sprintf('The custom identity property name "%s" supplied for the UniqueEntityValidator does not exists in "%s".', $propertyName, $classSchema->getClassName()), 1358960500);
}
}
} else {
$identityProperties = array_keys($classSchema->getIdentityProperties());
}
if (count($identityProperties) === 0) {
throw new InvalidValidationOptionsException('The object supplied for the UniqueEntityValidator must have at least one identity property.', 1358459831);
}
$identifierProperties = $this->reflectionService->getPropertyNamesByAnnotation($classSchema->getClassName(), 'Doctrine\\ORM\\Mapping\\Id');
if (count($identifierProperties) > 1) {
throw new InvalidValidationOptionsException('The object supplied for the UniqueEntityValidator must only have one identifier property @ORM\\Id.', 1358501745);
}
$identifierPropertyName = count($identifierProperties) > 0 ? array_shift($identifierProperties) : 'Persistence_Object_Identifier';
$query = $this->persistenceManager->createQueryForType($classSchema->getClassName());
$constraints = [$query->logicalNot($query->equals($identifierPropertyName, $this->persistenceManager->getIdentifierByObject($value)))];
foreach ($identityProperties as $propertyName) {
$constraints[] = $query->equals($propertyName, ObjectAccess::getProperty($value, $propertyName));
}
if ($query->matching($query->logicalAnd($constraints))->count() > 0) {
$this->addError('Another entity with the same unique identifiers already exists', 1355785874);
}
}
