86 lines
2.8 KiB
PHP
86 lines
2.8 KiB
PHP
<?php
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namespace FOS\ElasticaBundle\Doctrine;
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use Doctrine\Common\Persistence\ManagerRegistry;
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use FOS\ElasticaBundle\Persister\ObjectPersisterInterface;
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use FOS\ElasticaBundle\Provider\AbstractProvider as BaseAbstractProvider;
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abstract class AbstractProvider extends BaseAbstractProvider
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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 string $objectClass
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* @param array $options
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* @param ManagerRegistry $managerRegistry
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*/
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public function __construct(ObjectPersisterInterface $objectPersister, $objectClass, array $options, $managerRegistry)
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{
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parent::__construct($objectPersister, $objectClass, array_merge(array(
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'clear_object_manager' => true,
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'query_builder_method' => 'createQueryBuilder',
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), $options));
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$this->managerRegistry = $managerRegistry;
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}
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/**
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* @see FOS\ElasticaBundle\Provider\ProviderInterface::populate()
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*/
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public function populate(\Closure $loggerClosure = null)
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{
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$queryBuilder = $this->createQueryBuilder();
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$nbObjects = $this->countObjects($queryBuilder);
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for ($offset = 0; $offset < $nbObjects; $offset += $this->options['batch_size']) {
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if ($loggerClosure) {
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$stepStartTime = microtime(true);
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}
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$objects = $this->fetchSlice($queryBuilder, $this->options['batch_size'], $offset);
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$this->objectPersister->insertMany($objects);
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if ($this->options['clear_object_manager']) {
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$this->managerRegistry->getManagerForClass($this->objectClass)->clear();
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}
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if ($loggerClosure) {
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$stepNbObjects = count($objects);
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$stepCount = $stepNbObjects + $offset;
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$percentComplete = 100 * $stepCount / $nbObjects;
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$objectsPerSecond = $stepNbObjects / (microtime(true) - $stepStartTime);
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$loggerClosure(sprintf('%0.1f%% (%d/%d), %d objects/s', $percentComplete, $stepCount, $nbObjects, $objectsPerSecond));
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}
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}
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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 $queryBuilder
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* @return integer
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*/
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protected abstract function countObjects($queryBuilder);
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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 $offset
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* @return array
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*/
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protected abstract function fetchSlice($queryBuilder, $limit, $offset);
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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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* @return object
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*/
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protected abstract function createQueryBuilder();
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}
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