PHP ExecutionContextInterface::getMetadata方法代码示例

 /**
  * {@inheritdoc}
  */
 public function validatePropertyValue($objectOrClass, $propertyName, $value, $groups = null)
 {
     $classMetadata = $this->metadataFactory->getMetadataFor($objectOrClass);
     if (!$classMetadata instanceof ClassMetadataInterface) {
         // Cannot be UnsupportedMetadataException because of BC with
         // Symfony < 2.5
         throw new ValidatorException(sprintf('The metadata factory should return instances of ' . '"\\Symfony\\Component\\Validator\\Mapping\\ClassMetadataInterface", ' . 'got: "%s".', is_object($classMetadata) ? get_class($classMetadata) : gettype($classMetadata)));
     }
     $propertyMetadatas = $classMetadata->getPropertyMetadata($propertyName);
     $groups = $groups ? $this->normalizeGroups($groups) : $this->defaultGroups;
     if (is_object($objectOrClass)) {
         $object = $objectOrClass;
         $cacheKey = spl_object_hash($objectOrClass);
         $propertyPath = PropertyPath::append($this->defaultPropertyPath, $propertyName);
     } else {
         // $objectOrClass contains a class name
         $object = null;
         $cacheKey = null;
         $propertyPath = $this->defaultPropertyPath;
     }
     $previousValue = $this->context->getValue();
     $previousObject = $this->context->getObject();
     $previousMetadata = $this->context->getMetadata();
     $previousPath = $this->context->getPropertyPath();
     $previousGroup = $this->context->getGroup();
     foreach ($propertyMetadatas as $propertyMetadata) {
         $this->validateGenericNode($value, $object, $cacheKey . ':' . $propertyName, $propertyMetadata, $propertyPath, $groups, null, TraversalStrategy::IMPLICIT, $this->context);
     }
     $this->context->setNode($previousValue, $previousObject, $previousMetadata, $previousPath);
     $this->context->setGroup($previousGroup);
     return $this;
 }

 /**
  * Validates a Typed Data node in the validation tree.
  *
  * If no constraints are passed, the data is validated against the
  * constraints specified in its data definition. If the data is complex or a
  * list and no constraints are passed, the contained properties or list items
  * are validated recursively.
  *
  * @param \Drupal\Core\TypedData\TypedDataInterface $data
  *   The data to validated.
  * @param \Symfony\Component\Validator\Constraint[]|null $constraints
  *   (optional) If set, an array of constraints to validate.
  * @param bool $is_root_call
  *   (optional) Whether its the most upper call in the type data tree.
  *
  * @return $this
  */
 protected function validateNode(TypedDataInterface $data, $constraints = NULL, $is_root_call = FALSE)
 {
     $previous_value = $this->context->getValue();
     $previous_object = $this->context->getObject();
     $previous_metadata = $this->context->getMetadata();
     $previous_path = $this->context->getPropertyPath();
     $metadata = $this->metadataFactory->getMetadataFor($data);
     $cache_key = spl_object_hash($data);
     $property_path = $is_root_call ? '' : PropertyPath::append($previous_path, $data->getName());
     // Pass the canonical representation of the data as validated value to
     // constraint validators, such that they do not have to care about Typed
     // Data.
     $value = $this->typedDataManager->getCanonicalRepresentation($data);
     $this->context->setNode($value, $data, $metadata, $property_path);
     if (isset($constraints) || !$this->context->isGroupValidated($cache_key, Constraint::DEFAULT_GROUP)) {
         if (!isset($constraints)) {
             $this->context->markGroupAsValidated($cache_key, Constraint::DEFAULT_GROUP);
             $constraints = $metadata->findConstraints(Constraint::DEFAULT_GROUP);
         }
         $this->validateConstraints($value, $cache_key, $constraints);
     }
     // If the data is a list or complex data, validate the contained list items
     // or properties. However, do not recurse if the data is empty.
     if (($data instanceof ListInterface || $data instanceof ComplexDataInterface) && !$data->isEmpty()) {
         foreach ($data as $name => $property) {
             $this->validateNode($property);
         }
     }
     $this->context->setNode($previous_value, $previous_object, $previous_metadata, $previous_path);
     return $this;
 }