18 lines
530 B
PHP
18 lines
530 B
PHP
<?php
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namespace Wikimedia\Telemetry;
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/**
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* Interface for OTEL span samplers.
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* @since 1.43
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*/
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interface SamplerInterface {
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/**
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* Determine whether a newly created span should be sampled based on its parent span data.
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*
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* @param SpanContext|null $parentSpanContext Context of he parent span of the newly created span,
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* or `null` if the newly created span is a root span.
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* @return bool Whether the newly created span should be sampled.
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*/
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public function shouldSample( ?SpanContext $parentSpanContext ): bool;
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}
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