39 lines
940 B
PHP
39 lines
940 B
PHP
<?php
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namespace Wikimedia\Telemetry;
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/**
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* A no-op tracer that creates no-op spans and persists no data.
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* Useful for scenarios where tracing is disabled.
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*
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* @since 1.43
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* @internal
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*/
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class NoopTracer implements TracerInterface {
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private SpanContext $noopSpanContext;
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public function __construct() {
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$this->noopSpanContext = new SpanContext( '', '', null, '', false );
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}
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/** @inheritDoc */
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public function createSpan( string $spanName, $parentSpan = null ): SpanInterface {
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return new NoopSpan( $this->noopSpanContext );
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}
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/** @inheritDoc */
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public function createRootSpan( string $spanName ): SpanInterface {
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return new NoopSpan( $this->noopSpanContext );
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}
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/** @inheritDoc */
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public function createSpanWithParent( string $spanName, SpanContext $parentSpanContext ): SpanInterface {
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return new NoopSpan( $this->noopSpanContext );
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}
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/** @inheritDoc */
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public function shutdown(): void {
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// no-op
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}
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}
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