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<?php |
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namespace FOS\ElasticaBundle\Doctrine; |
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use Doctrine\Common\Persistence\ManagerRegistry; |
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use Elastica\Exception\Bulk\ResponseException as BulkResponseException; |
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use FOS\ElasticaBundle\Persister\ObjectPersisterInterface; |
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use FOS\ElasticaBundle\Provider\AbstractProvider as BaseAbstractProvider; |
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use FOS\ElasticaBundle\Provider\IndexableInterface; |
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use Symfony\Component\OptionsResolver\OptionsResolver; |
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abstract class AbstractProvider extends BaseAbstractProvider |
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{ |
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/** |
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* @var SliceFetcherInterface |
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*/ |
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private $sliceFetcher; |
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/** |
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* @var ManagerRegistry |
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*/ |
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protected $managerRegistry; |
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/** |
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* Constructor. |
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* |
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* @param ObjectPersisterInterface $objectPersister |
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* @param IndexableInterface $indexable |
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* @param string $objectClass |
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* @param array $baseOptions |
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* @param ManagerRegistry $managerRegistry |
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* @param SliceFetcherInterface $sliceFetcher |
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*/ |
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public function __construct( |
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ObjectPersisterInterface $objectPersister, |
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IndexableInterface $indexable, |
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$objectClass, |
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array $baseOptions, |
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ManagerRegistry $managerRegistry, |
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SliceFetcherInterface $sliceFetcher = null |
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) { |
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parent::__construct($objectPersister, $indexable, $objectClass, $baseOptions); |
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$this->managerRegistry = $managerRegistry; |
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$this->sliceFetcher = $sliceFetcher; |
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} |
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/** |
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* Counts objects that would be indexed using the query builder. |
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* |
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* @param object $queryBuilder |
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* |
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* @return integer |
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*/ |
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abstract protected function countObjects($queryBuilder); |
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/** |
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* Creates the query builder, which will be used to fetch objects to index. |
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* |
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* @param string $method |
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* |
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* @return object |
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*/ |
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abstract protected function createQueryBuilder($method); |
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/** |
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* Fetches a slice of objects using the query builder. |
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* |
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* @param object $queryBuilder |
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* @param integer $limit |
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* @param integer $offset |
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* |
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* @return array |
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*/ |
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abstract protected function fetchSlice($queryBuilder, $limit, $offset); |
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/** |
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* {@inheritDoc} |
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*/ |
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protected function doPopulate($options, \Closure $loggerClosure = null) |
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{ |
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$manager = $this->managerRegistry->getManagerForClass($this->objectClass); |
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$queryBuilder = $this->createQueryBuilder($options['query_builder_method']); |
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$nbObjects = $this->countObjects($queryBuilder); |
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$offset = $options['offset']; |
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$objects = array(); |
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for (; $offset < $nbObjects; $offset += $options['batch_size']) { |
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$sliceSize = $options['batch_size']; |
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try { |
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$objects = $this->getSlice($queryBuilder, $options['batch_size'], $offset, $objects); |
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$sliceSize = count($objects); |
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$objects = $this->filterObjects($options, $objects); |
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if (!empty($objects)) { |
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$this->objectPersister->insertMany($objects); |
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} |
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} catch (BulkResponseException $e) { |
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if (!$options['ignore_errors']) { |
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throw $e; |
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} |
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if (null !== $loggerClosure) { |
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$loggerClosure( |
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$options['batch_size'], |
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$nbObjects, |
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sprintf('<error>%s</error>', $e->getMessage()) |
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); |
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} |
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} |
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if ($options['clear_object_manager']) { |
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$manager->clear(); |
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} |
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usleep($options['sleep']); |
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if (null !== $loggerClosure) { |
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$loggerClosure($sliceSize, $nbObjects); |
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} |
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} |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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protected function configureOptions() |
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{ |
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parent::configureOptions(); |
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$this->resolver->setDefaults(array( |
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'clear_object_manager' => true, |
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'debug_logging' => false, |
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'ignore_errors' => false, |
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'offset' => 0, |
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'query_builder_method' => 'createQueryBuilder', |
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'sleep' => 0 |
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)); |
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} |
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/** |
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* If this Provider has a SliceFetcher defined, we use it instead of falling back to |
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* the fetchSlice methods defined in the ORM/MongoDB subclasses. |
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* |
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* @param $queryBuilder |
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* @param int $limit |
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* @param int $offset |
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* @param array $lastSlice |
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* |
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* @return array |
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*/ |
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private function getSlice($queryBuilder, $limit, $offset, $lastSlice) |
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{ |
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if (!$this->sliceFetcher) { |
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return $this->fetchSlice($queryBuilder, $limit, $offset); |
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} |
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$manager = $this->managerRegistry->getManagerForClass($this->objectClass); |
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$identifierFieldNames = $manager |
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->getClassMetadata($this->objectClass) |
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->getIdentifierFieldNames(); |
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return $this->sliceFetcher->fetch( |
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$queryBuilder, |
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$limit, |
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$offset, |
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$lastSlice, |
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$identifierFieldNames |
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); |
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} |
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} |
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FriendsOfSymfony /
FOSElasticaBundle
