SpanExporterDecoratorTrait.php

<?php

declare (strict_types=1);
namespace OpenTelemetry\SDK\Trace\Behavior;

use OpenTelemetry\SDK\Common\Future\CancellationInterface;
use OpenTelemetry\SDK\Common\Future\FutureInterface;
use OpenTelemetry\SDK\Trace\SpanDataInterface;
use OpenTelemetry\SDK\Trace\SpanExporterInterface;
trait SpanExporterDecoratorTrait {
    protected SpanExporterInterface $decorated;
    
    /**
     * @param iterable<SpanDataInterface> $batch
     * @return FutureInterface<bool>
     */
    public function export(iterable $batch, ?CancellationInterface $cancellation = null) : FutureInterface {
        $batch = $this->beforeExport($batch);
        $response = $this->decorated
            ->export($batch, $cancellation);
        $response->map(fn(bool $result) => $this->afterExport($batch, $result));
        return $response;
    }
    protected abstract function beforeExport(iterable $spans) : iterable;
    protected abstract function afterExport(iterable $spans, bool $exportSuccess) : void;
    public function shutdown(?CancellationInterface $cancellation = null) : bool {
        return $this->decorated
            ->shutdown($cancellation);
    }
    public function forceFlush(?CancellationInterface $cancellation = null) : bool {
        return $this->decorated
            ->forceFlush($cancellation);
    }
    public function setDecorated(SpanExporterInterface $decorated) : void {
        $this->decorated = $decorated;
    }

}