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<?php |
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namespace FOS\ElasticaBundle\Doctrine; |
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use FOS\ElasticaBundle\Persister\ObjectPersister; |
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use FOS\ElasticaBundle\Persister\ObjectPersisterInterface; |
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use FOS\ElasticaBundle\Provider\IndexableInterface; |
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use Psr\Log\LoggerInterface; |
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use Symfony\Component\PropertyAccess\PropertyAccess; |
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use Symfony\Component\PropertyAccess\PropertyAccessorInterface; |
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/** |
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* Common base for Doctrine / Propel listener. |
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*/ |
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abstract class AbstractListenerBase |
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{ |
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/** |
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* Object persister. |
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* |
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* @var ObjectPersisterInterface |
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*/ |
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protected $objectPersister; |
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/** |
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* Configuration for the listener. |
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* |
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* @var array |
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*/ |
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private $config; |
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/** |
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* Objects scheduled for insertion. |
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* |
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* @var array |
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*/ |
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public $scheduledForInsertion = array(); |
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/** |
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* Objects scheduled to be updated or removed. |
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* |
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* @var array |
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*/ |
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public $scheduledForUpdate = array(); |
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/** |
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* IDs of objects scheduled for removal. |
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* |
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* @var array |
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*/ |
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public $scheduledForDeletion = array(); |
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/** |
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* PropertyAccessor instance. |
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* |
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* @var PropertyAccessorInterface |
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*/ |
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protected $propertyAccessor; |
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/** |
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* @var IndexableInterface |
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*/ |
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private $indexable; |
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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 array $config |
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* @param LoggerInterface $logger |
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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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array $config = array(), |
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LoggerInterface $logger = null |
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) { |
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$this->config = array_merge(array( |
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'identifier' => 'id', |
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), $config); |
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$this->indexable = $indexable; |
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$this->objectPersister = $objectPersister; |
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$this->propertyAccessor = PropertyAccess::createPropertyAccessor(); |
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if ($logger && $this->objectPersister instanceof ObjectPersister) { |
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$this->objectPersister->setLogger($logger); |
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} |
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} |
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/** |
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* Persist scheduled objects to ElasticSearch |
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* After persisting, clear the scheduled queue to prevent multiple data updates when using multiple flush calls. |
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*/ |
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private function persistScheduled() |
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{ |
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if (count($this->scheduledForInsertion)) { |
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$this->objectPersister->insertMany($this->scheduledForInsertion); |
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$this->scheduledForInsertion = array(); |
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} |
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if (count($this->scheduledForUpdate)) { |
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$this->objectPersister->replaceMany($this->scheduledForUpdate); |
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$this->scheduledForUpdate = array(); |
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} |
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if (count($this->scheduledForDeletion)) { |
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$this->objectPersister->deleteManyByIdentifiers($this->scheduledForDeletion); |
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$this->scheduledForDeletion = array(); |
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} |
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} |
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/** |
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* Iterating through scheduled actions *after* flushing ensures that the |
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* ElasticSearch index will be affected only if the query is successful. |
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*/ |
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protected function doPostFlush() |
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{ |
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$this->persistScheduled(); |
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} |
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/** |
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* Record the specified identifier to delete. Do not need to entire object. |
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* |
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* @param object $object |
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*/ |
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private function scheduleForDeletion($object) |
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{ |
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if ($identifierValue = $this->propertyAccessor->getValue($object, $this->config['identifier'])) { |
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$this->scheduledForDeletion[] = $identifierValue; |
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} |
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} |
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/** |
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* Checks if the object is indexable or not. |
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* |
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* @param object $object |
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* |
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* @return bool |
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*/ |
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private function isObjectIndexable($object) |
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{ |
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return $this->indexable->isObjectIndexable( |
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$this->config['indexName'], |
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$this->config['typeName'], |
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$object |
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); |
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} |
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/** |
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* Looks for new objects that should be indexed. |
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* |
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* @param object $entity |
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*/ |
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protected function doPostPersist($entity) |
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{ |
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if ($this->objectPersister->handlesObject($entity) && $this->isObjectIndexable($entity)) { |
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$this->scheduledForInsertion[] = $entity; |
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} |
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} |
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/** |
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* Looks for objects being updated that should be indexed or removed from the index. |
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* |
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* @param object $entity |
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*/ |
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protected function doPostUpdate($entity) |
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{ |
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if ($this->objectPersister->handlesObject($entity)) { |
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if ($this->isObjectIndexable($entity)) { |
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$this->scheduledForUpdate[] = $entity; |
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} else { |
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// Delete if no longer indexable |
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$this->scheduleForDeletion($entity); |
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} |
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} |
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} |
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/** |
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* Delete objects preRemove instead of postRemove so that we have access to the id. Because this is called |
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* preRemove, first check that the entity is managed by persister. |
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* |
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* @param object $entity |
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*/ |
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protected function doPreRemove($entity) |
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{ |
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if ($this->objectPersister->handlesObject($entity)) { |
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$this->scheduleForDeletion($entity); |
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} |
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} |
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} |
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FriendsOfSymfony /
FOSElasticaBundle
