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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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abstract class AbstractBulkProcess |
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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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protected $entitiesToSave = []; |
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protected $chunkSize = 1000; |
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/** |
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* @var float |
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*/ |
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protected $secondsToPauseBetweenSaves = 0.0; |
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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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$this->freeResources(); |
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} |
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if (false === $this->gcWasEnabled) { |
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return; |
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} |
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gc_enable(); |
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} |
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abstract protected function doSave(): void; |
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protected function freeResources() |
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{ |
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gc_enable(); |
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foreach ($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 $this; |
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} |
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protected function bulkSaveIfChunkBigEnough() |
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{ |
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$size = count($this->entitiesToSave); |
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if ($size >= $this->chunkSize) { |
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$this->doSave(); |
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$this->freeResources(); |
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$this->pauseBetweenSaves(); |
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} |
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} |
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/** |
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* If configured, we will pause between starting another round of saves |
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*/ |
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private function pauseBetweenSaves(): void |
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{ |
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if (0 >= $this->secondsToPauseBetweenSaves) { |
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return; |
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} |
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usleep((int)$this->secondsToPauseBetweenSaves * 1000000); |
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} |
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/** |
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* This will prevent any notification on changed properties |
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* |
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* @param array|EntityInterface[] $entities |
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* |
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* @return $this |
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*/ |
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public function prepareEntitiesForBulkUpdate(array $entities) |
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{ |
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foreach ($entities as $entity) { |
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$entity->removePropertyChangedListeners(); |
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} |
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return $this; |
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} |
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public function addEntitiesToSave(array $entities) |
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{ |
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$entitiesToSaveBackup = $this->entitiesToSave; |
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$chunks = array_chunk($entities, $this->chunkSize, true); |
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foreach ($chunks as $chunk) { |
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$this->entitiesToSave = $chunk; |
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$this->bulkSaveIfChunkBigEnough(); |
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} |
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$this->entitiesToSave = array_merge($this->entitiesToSave, $entitiesToSaveBackup); |
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$this->bulkSaveIfChunkBigEnough(); |
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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 $this |
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*/ |
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public function setChunkSize(int $chunkSize): self |
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{ |
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$this->chunkSize = $chunkSize; |
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return $this; |
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} |
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/** |
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* @param float $secondsToPauseBetweenSaves |
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*/ |
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public function setSecondsToPauseBetweenSaves(float $secondsToPauseBetweenSaves): void |
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{ |
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$this->secondsToPauseBetweenSaves = $secondsToPauseBetweenSaves; |
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} |
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} |
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172
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edmondscommerce /
doctrine-static-meta
