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<?php declare(strict_types=1); |
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namespace EdmondsCommerce\DoctrineStaticMeta\Entity\Savers; |
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use Doctrine\ORM\EntityManagerInterface; |
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use EdmondsCommerce\DoctrineStaticMeta\Entity\Interfaces\EntityInterface; |
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class BulkEntitySaver |
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{ |
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/** |
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* @var EntityManagerInterface |
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*/ |
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protected $entityManager; |
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private $entitiesToSave = []; |
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private $chunkSize = 1000; |
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/** |
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* @var bool |
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*/ |
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private $gcWasEnabled; |
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private $started = false; |
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private $ended = false; |
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public function __construct(EntityManagerInterface $entityManager) |
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{ |
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$this->entityManager = $entityManager; |
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$this->gcWasEnabled = gc_enabled(); |
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} |
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public function __destruct() |
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{ |
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if (true === $this->started && false === $this->ended) { |
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if (!$this->entityManager->isOpen()) { |
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throw new \RuntimeException('Error in ' . __METHOD__ . ': Entity Manager has been closed'); |
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} |
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$this->endBulkProcess(); |
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} |
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} |
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public function endBulkProcess(): void |
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{ |
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$this->started = false; |
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$this->ended = true; |
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if ([] !== $this->entitiesToSave) { |
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$this->doSave(); |
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} |
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if (false === $this->gcWasEnabled) { |
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return; |
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} |
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gc_enable(); |
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} |
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private function doSave() |
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{ |
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foreach ($this->entitiesToSave as $entity) { |
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$this->entityManager->persist($entity); |
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} |
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$this->entityManager->flush(); |
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$this->freeResources(); |
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} |
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private function freeResources() |
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{ |
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gc_enable(); |
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foreach ($this->entitiesToSave as $entity) { |
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$this->entityManager->detach($entity); |
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} |
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$this->entitiesToSave = []; |
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gc_collect_cycles(); |
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gc_disable(); |
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} |
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public function addEntityToSave(EntityInterface $entity) |
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{ |
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if (false === $this->started) { |
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$this->startBulkProcess(); |
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} |
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$this->entitiesToSave[] = $entity; |
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$this->bulkSaveIfChunkBigEnough(); |
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} |
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public function startBulkProcess(): self |
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{ |
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gc_disable(); |
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$this->started = true; |
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$this->ended = false; |
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return $this; |
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} |
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private function bulkSaveIfChunkBigEnough() |
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{ |
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end($this->entitiesToSave); |
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$key = key($this->entitiesToSave); |
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$size = $key + 1; |
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if (($size % $this->chunkSize) === 0) { |
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$this->doSave(); |
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} |
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} |
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/** |
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* @return int |
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*/ |
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public function getChunkSize(): int |
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{ |
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return $this->chunkSize; |
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} |
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/** |
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* @param int $chunkSize |
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* |
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* @return BulkEntitySaver |
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*/ |
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public function setChunkSize(int $chunkSize): BulkEntitySaver |
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{ |
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$this->chunkSize = $chunkSize; |
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return $this; |
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} |
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} |
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edmondscommerce /
doctrine-static-meta
