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<?php |
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namespace Lamoda\Metric\Adapters\Doctrine; |
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use Doctrine\ORM\EntityManagerInterface; |
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use Lamoda\Metric\Common\MetricSourceInterface; |
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use Lamoda\Metric\Storage\Exception\ReceiverException; |
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use Lamoda\Metric\Storage\MetricStorageInterface; |
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use Lamoda\Metric\Storage\MutableMetricInterface; |
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abstract class AbstractDoctrineStorage implements \IteratorAggregate, MetricStorageInterface |
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{ |
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/** @var EntityManagerInterface */ |
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protected $entityManager; |
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public function __construct(EntityManagerInterface $entityManager) |
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{ |
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$this->entityManager = $entityManager; |
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} |
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final public function getIterator(): \Traversable |
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{ |
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return $this->getMetrics(); |
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} |
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/** {@inheritdoc} */ |
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final public function receive(MetricSourceInterface $source): void |
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{ |
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$this->entityManager->beginTransaction(); |
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try { |
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$this->doReceive($source); |
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$this->entityManager->flush(); |
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$this->entityManager->commit(); |
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} catch (\Exception $exception) { |
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$this->entityManager->rollback(); |
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throw ReceiverException::becauseOfStorageFailure($exception); |
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} |
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} |
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/** {@inheritdoc} */ |
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final public function findMetric(string $name, array $tags = []): ?MutableMetricInterface |
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{ |
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$metric = $this->doFindMetric($name, $tags); |
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if (!$metric) { |
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return null; |
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} |
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return new AtomicMutableWrapper($this->entityManager, $metric); |
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} |
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/** {@inheritdoc} */ |
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final public function createMetric(string $name, float $value, array $tags = []): MutableMetricInterface |
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{ |
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$metric = $this->doCreateMetric($name, $value, $tags); |
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$this->entityManager->persist($metric); |
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return new AtomicMutableWrapper($this->entityManager, $metric); |
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} |
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abstract protected function doFindMetric(string $name, array $tags = []): ?MutableMetricInterface; |
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abstract protected function doCreateMetric(string $name, float $value, array $tags = []): MutableMetricInterface; |
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/** |
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* @param MetricSourceInterface $source |
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*/ |
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protected function doReceive(MetricSourceInterface $source): void |
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{ |
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foreach ($source->getMetrics() as $metric) { |
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$tags = $metric->getTags(); |
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$name = $metric->getName(); |
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$value = $metric->resolve(); |
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$resolved = $this->findMetric($name, $tags); |
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if (!$resolved) { |
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$resolved = $this->createMetric($name, 0, $tags); |
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} |
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$resolved->setValue($value); |
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} |
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} |
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} |
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lamoda /
php-metrics
