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<?php |
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namespace DoctrineModule\Stdlib\Hydrator\Strategy; |
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use InvalidArgumentException; |
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use Doctrine\Common\Collections\Collection; |
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use Doctrine\Common\Persistence\Mapping\ClassMetadata; |
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use Zend\Hydrator\Strategy\StrategyInterface; |
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/** |
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* @license MIT |
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* @link http://www.doctrine-project.org/ |
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* @since 0.7.0 |
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* @author Michael Gallego <[email protected]> |
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*/ |
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abstract class AbstractCollectionStrategy implements StrategyInterface |
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{ |
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/** |
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* @var string |
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*/ |
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protected $collectionName; |
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/** |
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* @var ClassMetadata |
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*/ |
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protected $metadata; |
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/** |
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* @var object |
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*/ |
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protected $object; |
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/** |
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* Set the name of the collection |
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* |
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* @param string $collectionName |
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* @return AbstractCollectionStrategy |
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*/ |
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public function setCollectionName($collectionName) |
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{ |
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$this->collectionName = (string) $collectionName; |
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return $this; |
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} |
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/** |
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* Get the name of the collection |
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* |
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* @return string |
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*/ |
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public function getCollectionName() |
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{ |
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return $this->collectionName; |
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} |
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/** |
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* Set the class metadata |
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* |
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* @param ClassMetadata $classMetadata |
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* @return AbstractCollectionStrategy |
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*/ |
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public function setClassMetadata(ClassMetadata $classMetadata) |
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{ |
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$this->metadata = $classMetadata; |
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return $this; |
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} |
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/** |
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* Get the class metadata |
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* |
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* @return ClassMetadata |
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*/ |
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public function getClassMetadata() |
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{ |
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return $this->metadata; |
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} |
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/** |
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* Set the object |
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* |
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* @param object $object |
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* |
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* @throws \InvalidArgumentException |
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* |
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* @return AbstractCollectionStrategy |
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*/ |
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public function setObject($object) |
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{ |
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if (! is_object($object)) { |
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throw new InvalidArgumentException( |
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sprintf('The parameter given to setObject method of %s class is not an object', get_called_class()) |
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); |
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} |
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$this->object = $object; |
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return $this; |
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} |
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/** |
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* Get the object |
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* |
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* @return object |
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*/ |
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public function getObject() |
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{ |
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return $this->object; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function extract($value) |
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{ |
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return $value; |
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} |
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/** |
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* Return the collection by value (using the public API) |
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* |
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* @throws \InvalidArgumentException |
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* |
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* @return Collection |
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*/ |
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protected function getCollectionFromObjectByValue() |
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{ |
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$object = $this->getObject(); |
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$getter = 'get' . ucfirst($this->getCollectionName()); |
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if (! method_exists($object, $getter)) { |
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throw new InvalidArgumentException( |
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sprintf( |
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'The getter %s to access collection %s in object %s does not exist', |
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$getter, |
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$this->getCollectionName(), |
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get_class($object) |
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) |
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); |
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} |
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return $object->$getter(); |
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} |
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/** |
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* Return the collection by reference (not using the public API) |
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* |
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* @return Collection |
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*/ |
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protected function getCollectionFromObjectByReference() |
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{ |
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$object = $this->getObject(); |
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$refl = $this->getClassMetadata()->getReflectionClass(); |
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$reflProperty = $refl->getProperty($this->getCollectionName()); |
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$reflProperty->setAccessible(true); |
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return $reflProperty->getValue($object); |
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} |
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/** |
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* This method is used internally by array_udiff to check if two objects are equal, according to their |
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* SPL hash. This is needed because the native array_diff only compare strings |
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* |
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* @param object $a |
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* @param object $b |
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* |
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* @return int |
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*/ |
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protected function compareObjects($a, $b) |
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{ |
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return strcmp(spl_object_hash($a), spl_object_hash($b)); |
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} |
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} |
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