<?php declare(strict_types=1); namespace OpenTelemetry\API\Metrics; use Closure; class LateBindingMeterProvider implements MeterProviderInterface { private ?MeterProviderInterface $meterProvider = null; /** @param Closure(): MeterProviderInterface $factory */ public function __construct( private readonly Closure $factory, ) { } public function getMeter(string $name, ?string $version = null, ?string $schemaUrl = null, iterable $attributes = []): MeterInterface { return $this->meterProvider?->getMeter($name, $version, $schemaUrl, $attributes) ?? new LateBindingMeter(fn (): MeterInterface => ($this->meterProvider ??= ($this->factory)())->getMeter($name, $version, $schemaUrl, $attributes)); } }
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