51 lines
1.2 KiB
PHP
51 lines
1.2 KiB
PHP
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<?php
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declare(strict_types=1);
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namespace OpenTelemetry\SDK\Trace\Sampler;
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use OpenTelemetry\Context\ContextInterface;
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use OpenTelemetry\SDK\Common\Attribute\AttributesInterface;
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use OpenTelemetry\SDK\Trace\SamplerInterface;
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use OpenTelemetry\SDK\Trace\SamplingResult;
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use OpenTelemetry\SDK\Trace\Span;
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/**
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* This implementation of the SamplerInterface always records.
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* Example:
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* ```
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* use OpenTelemetry\Sdk\Trace\AlwaysOnSampler;
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* $sampler = new AlwaysOnSampler();
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* ```
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*/
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class AlwaysOnSampler implements SamplerInterface
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{
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/**
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* Returns true because we always want to sample.
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* {@inheritdoc}
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*/
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public function shouldSample(
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ContextInterface $parentContext,
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string $traceId,
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string $spanName,
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int $spanKind,
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AttributesInterface $attributes,
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array $links
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): SamplingResult {
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$parentSpan = Span::fromContext($parentContext);
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$parentSpanContext = $parentSpan->getContext();
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$traceState = $parentSpanContext->getTraceState();
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return new SamplingResult(
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SamplingResult::RECORD_AND_SAMPLE,
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[],
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$traceState
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);
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}
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public function getDescription(): string
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{
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return 'AlwaysOnSampler';
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}
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}
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