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<?php |
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namespace Happyr\SerializerBundle\Normalizer; |
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use Happyr\SerializerBundle\Annotation\ExclusionPolicy; |
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use Happyr\SerializerBundle\Metadata\Metadata; |
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use Happyr\SerializerBundle\PropertyManager\ReflectionPropertyAccess; |
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use Happyr\SerializerBundle\PropertyManager\PropertyNameConverter; |
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use Symfony\Component\Serializer\Normalizer\AbstractNormalizer; |
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use Symfony\Component\Serializer\Normalizer\DenormalizerInterface; |
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use Symfony\Component\Serializer\Normalizer\SerializerAwareNormalizer; |
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use Symfony\Component\Serializer\Exception\LogicException; |
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/** |
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* @author Tobias Nyholm <[email protected]> |
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*/ |
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class MetadataAwareDenormalizer extends SerializerAwareNormalizer implements DenormalizerInterface |
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{ |
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use GroupValidationTrait; |
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/** |
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* @var array |
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*/ |
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private $metadata; |
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/** |
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* @var PropertyNameConverter |
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*/ |
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private $propertyNameConverter; |
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/** |
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* @param array $metadata |
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* @param PropertyNameConverter $pnc |
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*/ |
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public function __construct(array $metadata, PropertyNameConverter $pnc) |
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{ |
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$this->metadata = $metadata; |
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$this->propertyNameConverter = $pnc; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function denormalize($data, $class, $format = null, array $context = []) |
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{ |
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$meta = $this->getMetadata($class); |
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$normalizedData = (array) $data; |
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$object = $this->getInstance($class, $context); |
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foreach ($normalizedData as $attribute => $value) { |
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if (null === $propertyName = $this->getPropertyName($meta, $attribute)) { |
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// Name is invalid, skip this |
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continue; |
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} |
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if (null !== $value && !is_scalar($value)) { |
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if (!$this->serializer instanceof DenormalizerInterface) { |
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throw new LogicException(sprintf('Cannot denormalize attribute "%s" because injected serializer is not a normalizer', $attribute)); |
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} |
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if (null !== $propertyType = $this->getPropertyType($meta, $propertyName)) { |
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$value = $this->serializer->denormalize($value, $propertyType, $format, $context); |
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} |
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} |
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$this->setPropertyValue($object, $meta, $propertyName, $value, $context); |
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} |
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return $object; |
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} |
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/** |
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* Set the property value. |
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* |
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* @param $object |
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* @param array $meta |
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* @param $propertyName |
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* @param $value |
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* @param array $context |
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*/ |
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private function setPropertyValue($object, array $meta, $propertyName, $value, array $context) |
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{ |
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if (!isset($meta['property'][$propertyName])) { |
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$meta['property'][$propertyName] = []; |
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} |
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// Default exclusion policy is NONE |
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$exclusionPolicy = isset($meta['class']['exclusion_policy']) ? $meta['class']['exclusion_policy'] : ExclusionPolicy::NONE; |
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// If this property should be in the output |
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$included = $exclusionPolicy === ExclusionPolicy::NONE; |
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// If read_only is defined and true |
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$readOnly = false; |
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if (isset($meta['class']['read_only']) ? $meta['class']['read_only'] : false) { |
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$readOnly = true; |
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} |
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$groups = ['Default']; |
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$accessor = null; |
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foreach ($meta['property'][$propertyName] as $name => $metaValue) { |
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switch ($name) { |
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case 'exclude': |
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// Skip this |
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return; |
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case 'read_only': |
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if ($metaValue === true) { |
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return; |
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} |
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// If readOnly = false we should include this |
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$readOnly = false; |
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break; |
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case 'expose': |
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$included = true; |
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break; |
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case 'accessor': |
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if (isset($metaValue['setter'])) { |
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$accessor = $metaValue['setter']; |
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} |
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break; |
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case 'groups': |
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$groups = $metaValue; |
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break; |
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} |
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} |
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// Validate context groups |
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if (!empty($context['groups'])) { |
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$included = $this->includeBasedOnGroup($context, $groups); |
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} |
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if (!$included || $readOnly) { |
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return; |
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} |
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if ($accessor) { |
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$object->$accessor($value); |
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} else { |
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ReflectionPropertyAccess::set($object, $propertyName, $value); |
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} |
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} |
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/** |
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* Get instance of the class. |
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* |
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* @param string $class |
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* @param array $context |
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* |
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* @return object |
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*/ |
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private function getInstance($class, array $context) |
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{ |
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if ( |
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isset($context[AbstractNormalizer::OBJECT_TO_POPULATE]) && |
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is_object($context[AbstractNormalizer::OBJECT_TO_POPULATE]) && |
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$context[AbstractNormalizer::OBJECT_TO_POPULATE] instanceof $class |
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) { |
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$object = $context[AbstractNormalizer::OBJECT_TO_POPULATE]; |
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unset($context[AbstractNormalizer::OBJECT_TO_POPULATE]); |
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return $object; |
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} |
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$reflectionClass = new \ReflectionClass($class); |
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$constructor = $reflectionClass->getConstructor(); |
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if (!$constructor) { |
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return new $class(); |
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} |
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return $reflectionClass->newInstanceWithoutConstructor(); |
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} |
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/** |
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* Get the property name for this normalized key name. This will aslo verify if the name is correct. |
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* |
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* @param array $rootMeta |
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* @param string $serializedName |
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* |
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* @return string|null |
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*/ |
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private function getPropertyName($rootMeta, $serializedName) |
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{ |
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$propertyName = $this->propertyNameConverter->getPropertyName($rootMeta, $serializedName); |
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$meta = isset($rootMeta['property'][$propertyName]) ? $rootMeta['property'][$propertyName] : []; |
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$verify = $this->propertyNameConverter->getSerializedName($meta, $propertyName); |
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if ($serializedName === $verify) { |
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return $propertyName; |
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} |
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// The $serializedName was fake |
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return; |
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} |
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/** |
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* Get the type of this property. |
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* |
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* @param array $meta |
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* @param string $name |
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* |
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* @return null|string |
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*/ |
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private function getPropertyType($meta, $name) |
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{ |
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foreach ($meta['property'][$name] as $metaName => $value) { |
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1 |
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if ($metaName === 'type') { |
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return $value; |
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} |
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} |
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return; |
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} |
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/** |
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* @param mixed $data |
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* @param string $type |
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* @param null $format |
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* |
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* @return bool |
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*/ |
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public function supportsDenormalization($data, $type, $format = null) |
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{ |
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return isset($this->metadata[$type]); |
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} |
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/** |
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* @param string $class |
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* |
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* @return array |
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*/ |
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private function getMetadata($class) |
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{ |
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return $this->metadata[$class]; |
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} |
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} |
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Happyr /
SerializerBundle
