38 lines
1000 B
PHP
38 lines
1000 B
PHP
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<?php
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declare(strict_types=1);
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namespace OpenTelemetry\SDK\Metrics;
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use OpenTelemetry\API\Metrics\UpDownCounterInterface;
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use OpenTelemetry\SDK\Metrics\MetricRegistry\MetricWriterInterface;
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/**
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* @internal
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*/
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final class UpDownCounter implements UpDownCounterInterface
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{
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private MetricWriterInterface $writer;
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private Instrument $instrument;
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private ReferenceCounterInterface $referenceCounter;
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public function __construct(MetricWriterInterface $writer, Instrument $instrument, ReferenceCounterInterface $referenceCounter)
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{
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$this->writer = $writer;
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$this->instrument = $instrument;
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$this->referenceCounter = $referenceCounter;
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$this->referenceCounter->acquire();
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}
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public function __destruct()
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{
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$this->referenceCounter->release();
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}
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public function add($amount, iterable $attributes = [], $context = null): void
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{
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$this->writer->record($this->instrument, $amount, $attributes, $context);
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}
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}
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