diff options
author | Andrew Dolgov <[email protected]> | 2023-10-20 17:12:29 +0300 |
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committer | Andrew Dolgov <[email protected]> | 2023-10-20 21:13:39 +0300 |
commit | cdd7ad020e165fe680703b6d3319b908b682fb7a (patch) | |
tree | b51eb09b7b4587e8fbc5624ac8d88d28cfcd0b04 /vendor/open-telemetry/sdk/Metrics/ObservableCallback.php | |
parent | 45a9ff0c88cbd33892ff16ab837e9059937d656e (diff) |
jaeger-client -> opentelemetry
Diffstat (limited to 'vendor/open-telemetry/sdk/Metrics/ObservableCallback.php')
-rw-r--r-- | vendor/open-telemetry/sdk/Metrics/ObservableCallback.php | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/vendor/open-telemetry/sdk/Metrics/ObservableCallback.php b/vendor/open-telemetry/sdk/Metrics/ObservableCallback.php new file mode 100644 index 000000000..ffe5ead87 --- /dev/null +++ b/vendor/open-telemetry/sdk/Metrics/ObservableCallback.php @@ -0,0 +1,58 @@ +<?php + +declare(strict_types=1); + +namespace OpenTelemetry\SDK\Metrics; + +use OpenTelemetry\API\Metrics\ObservableCallbackInterface; +use OpenTelemetry\SDK\Metrics\MetricRegistry\MetricWriterInterface; + +/** + * @internal + */ +final class ObservableCallback implements ObservableCallbackInterface +{ + private MetricWriterInterface $writer; + private ReferenceCounterInterface $referenceCounter; + private ?int $callbackId; + private ?ObservableCallbackDestructor $callbackDestructor; + /** @phpstan-ignore-next-line */ + private ?object $target; + + public function __construct(MetricWriterInterface $writer, ReferenceCounterInterface $referenceCounter, int $callbackId, ?ObservableCallbackDestructor $callbackDestructor, ?object $target) + { + $this->writer = $writer; + $this->referenceCounter = $referenceCounter; + $this->callbackId = $callbackId; + $this->callbackDestructor = $callbackDestructor; + $this->target = $target; + } + + public function detach(): void + { + if ($this->callbackId === null) { + return; + } + + $this->writer->unregisterCallback($this->callbackId); + $this->referenceCounter->release(); + if ($this->callbackDestructor !== null) { + unset($this->callbackDestructor->callbackIds[$this->callbackId]); + } + + $this->callbackId = null; + } + + public function __destruct() + { + if ($this->callbackDestructor !== null) { + return; + } + if ($this->callbackId === null) { + return; + } + + $this->referenceCounter->acquire(true); + $this->referenceCounter->release(); + } +} |