Code Coverage for /workspace/src/includes/libs/telemetry/NoopTracer.php

1	<?php
2	namespace Wikimedia\Telemetry;
3
4	/**
5	* A no-op tracer that creates no-op spans and persists no data.
6	* Useful for scenarios where tracing is disabled.
7	*
8	* @since 1.43
9	* @internal
10	*/
11	class NoopTracer implements TracerInterface {
12
13	private SpanContext $noopSpanContext;
14
15	public function __construct() {
16	$this->noopSpanContext = new SpanContext( '', '', null, '', false );
17	}
18
19	/** @inheritDoc */
20	public function createSpan( string $spanName, $parentSpan = null ): SpanInterface {
21	return new NoopSpan( $this->noopSpanContext );
22	}
23
24	/** @inheritDoc */
25	public function createRootSpan( string $spanName ): SpanInterface {
26	return new NoopSpan( $this->noopSpanContext );
27	}
28
29	/** @inheritDoc */
30	public function createSpanWithParent( string $spanName, SpanContext $parentSpanContext ): SpanInterface {
31	return new NoopSpan( $this->noopSpanContext );
32	}
33
34	/** @inheritDoc */
35	public function shutdown(): void {
36	// no-op
37	}
38	}