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<?php |
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/** |
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* AnimeDb package. |
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* |
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* @author Peter Gribanov <[email protected]> |
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* @copyright Copyright (c) 2014, Peter Gribanov |
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* @license http://opensource.org/licenses/MIT |
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*/ |
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namespace AnimeDb\Bundle\CacheTimeKeeperBundle\Service; |
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use AnimeDb\Bundle\CacheTimeKeeperBundle\Service\CacheKeyBuilder\EtagHasherInterface; |
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use Doctrine\ORM\EntityManagerInterface; |
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use Symfony\Component\HttpFoundation\Response; |
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class CacheKeyBuilder |
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{ |
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/** |
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* @var string |
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*/ |
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const IDENTIFIER_SEPARATOR = '|'; |
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/** |
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* @var string |
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*/ |
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const IDENTIFIER_PREFIX = ':'; |
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/** |
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* @var EtagHasherInterface |
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*/ |
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protected $etag_hasher; |
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/** |
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* @var EntityManagerInterface|null |
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*/ |
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protected $em; |
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/** |
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* @param EtagHasherInterface $etag_hasher |
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*/ |
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public function __construct(EtagHasherInterface $etag_hasher) |
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{ |
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$this->etag_hasher = $etag_hasher; |
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} |
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/** |
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* @param EntityManagerInterface $em |
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* |
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* @return CacheKeyBuilder |
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*/ |
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public function setEntityManager(EntityManagerInterface $em) |
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{ |
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$this->em = $em; |
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return $this; |
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} |
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/** |
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* @param object $entity |
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* |
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* @return string|null |
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*/ |
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public function getEntityAlias($entity) |
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{ |
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if (!($this->em instanceof EntityManagerInterface)) { |
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return null; |
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} |
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$class = get_class($entity); |
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foreach ($this->em->getConfiguration()->getEntityNamespaces() as $ns_alias => $ns) { |
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if (strpos($class, $ns) === 0) { |
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return $ns_alias.':'.ltrim(str_replace($ns, '', $class), '\\'); |
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} |
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} |
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return null; |
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} |
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/** |
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* @param object $entity |
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* |
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* @return string|null |
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*/ |
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public function getEntityIdentifier($entity) |
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{ |
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if (!($this->em instanceof EntityManagerInterface)) { |
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return null; |
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} |
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$ids = $this->em->getClassMetadata(get_class($entity))->getIdentifierValues($entity); |
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return $ids ? self::IDENTIFIER_PREFIX.implode(self::IDENTIFIER_SEPARATOR, $ids) : null; |
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} |
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/** |
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* @param Response $response |
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* |
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* @return string |
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*/ |
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public function getEtag(Response $response) |
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{ |
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return $this->etag_hasher->hash($response); |
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} |
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} |
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anime-db /
cache-time-keeper-bundle
