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<?php
declare(strict_types=1);
namespace OpenTelemetry\SDK\Trace;
use function is_array;
use OpenTelemetry\API\Trace as API;
use OpenTelemetry\API\Trace\NoopTracer;
use OpenTelemetry\SDK\Common\Attribute\Attributes;
use OpenTelemetry\SDK\Common\Future\CancellationInterface;
use OpenTelemetry\SDK\Common\Instrumentation\InstrumentationScopeFactory;
use OpenTelemetry\SDK\Common\Instrumentation\InstrumentationScopeFactoryInterface;
use OpenTelemetry\SDK\Resource\ResourceInfo;
use OpenTelemetry\SDK\Resource\ResourceInfoFactory;
use OpenTelemetry\SDK\Trace\Sampler\AlwaysOnSampler;
use OpenTelemetry\SDK\Trace\Sampler\ParentBased;
final class TracerProvider implements TracerProviderInterface
{
/** @readonly */
private TracerSharedState $tracerSharedState;
private InstrumentationScopeFactoryInterface $instrumentationScopeFactory;
/** @param list<SpanProcessorInterface>|SpanProcessorInterface|null $spanProcessors */
public function __construct(
$spanProcessors = [],
SamplerInterface $sampler = null,
ResourceInfo $resource = null,
SpanLimits $spanLimits = null,
IdGeneratorInterface $idGenerator = null,
?InstrumentationScopeFactoryInterface $instrumentationScopeFactory = null
) {
if (null === $spanProcessors) {
$spanProcessors = [];
}
$spanProcessors = is_array($spanProcessors) ? $spanProcessors : [$spanProcessors];
$resource ??= ResourceInfoFactory::defaultResource();
$sampler ??= new ParentBased(new AlwaysOnSampler());
$idGenerator ??= new RandomIdGenerator();
$spanLimits ??= (new SpanLimitsBuilder())->build();
$this->tracerSharedState = new TracerSharedState(
$idGenerator,
$resource,
$spanLimits,
$sampler,
$spanProcessors
);
$this->instrumentationScopeFactory = $instrumentationScopeFactory ?? new InstrumentationScopeFactory(Attributes::factory());
}
public function forceFlush(?CancellationInterface $cancellation = null): bool
{
return $this->tracerSharedState->getSpanProcessor()->forceFlush($cancellation);
}
/**
* @inheritDoc
*/
public function getTracer(
string $name,
?string $version = null,
?string $schemaUrl = null,
iterable $attributes = []
): API\TracerInterface {
if ($this->tracerSharedState->hasShutdown()) {
return NoopTracer::getInstance();
}
return new Tracer(
$this->tracerSharedState,
$this->instrumentationScopeFactory->create($name, $version, $schemaUrl, $attributes),
);
}
public function getSampler(): SamplerInterface
{
return $this->tracerSharedState->getSampler();
}
/**
* Returns `false` is the provider is already shutdown, otherwise `true`.
*/
public function shutdown(?CancellationInterface $cancellation = null): bool
{
if ($this->tracerSharedState->hasShutdown()) {
return true;
}
return $this->tracerSharedState->shutdown($cancellation);
}
public static function builder(): TracerProviderBuilder
{
return new TracerProviderBuilder();
}
}
|
