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<?php |
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namespace ZoiloMora\ElasticAPM\Processor\MetricSetProcessor; |
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use ZoiloMora\ElasticAPM\Events\Event; |
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use ZoiloMora\ElasticAPM\Events\Span\Span as SpanEvent; |
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use ZoiloMora\ElasticAPM\Events\Transaction\Transaction as TransactionEvent; |
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final class FromEventsSpanBuilder |
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{ |
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/** |
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* @var ByParentIdFinder |
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*/ |
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private $byParentIdFinder; |
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/** |
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* @var SelfDurationCalculator |
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*/ |
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private $selfDurationCalculator; |
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/** |
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* @param ByParentIdFinder $byParentIdFinder |
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* @param SelfDurationCalculator $selfDurationCalculator |
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*/ |
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public function __construct( |
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ByParentIdFinder $byParentIdFinder, |
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SelfDurationCalculator $selfDurationCalculator |
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) { |
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$this->byParentIdFinder = $byParentIdFinder; |
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$this->selfDurationCalculator = $selfDurationCalculator; |
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} |
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/** |
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* @param TransactionEvent|SpanEvent $event |
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* @param Event[] $events |
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* |
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* @return Span |
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*/ |
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public function execute($event, array $events) |
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{ |
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return new Span( |
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$this->getTransactionId($event), |
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$this->getType($event), |
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$this->getSubType($event), |
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1, |
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$this->getSelfDuration($event, $events) |
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); |
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} |
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/** |
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* @param Event $event |
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* @return string |
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*/ |
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private function getTransactionId($event) |
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{ |
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return $event instanceof SpanEvent |
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? $event->transactionId() |
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: $event->id(); |
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} |
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/** |
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* @param Event $event |
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* @return string |
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*/ |
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private function getType($event) |
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{ |
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return $event instanceof SpanEvent |
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? $event->type() |
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: 'app'; |
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} |
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/** |
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* @param Event $event |
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* @return string |
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*/ |
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private function getSubType($event) |
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{ |
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return $event instanceof SpanEvent |
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? $event->subtype() |
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: null; |
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} |
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/** |
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* @param TransactionEvent|SpanEvent $event |
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* @param Event[] $events |
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* |
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* @return double |
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*/ |
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private function getSelfDuration($event, array $events) |
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{ |
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/** @var TransactionEvent[]|SpanEvent[] $childrenEvents */ |
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$childrenEvents = $this->byParentIdFinder->execute( |
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$event->id(), |
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$events |
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); |
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return $this->selfDurationCalculator->execute($event, $childrenEvents); |
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} |
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} |
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zoilomora /
elastic-apm-agent-php
