. * * @author Daniil Gentili * @author Alexander Pankratov * @copyright 2016-2024 Daniil Gentili * @copyright 2016-2024 Alexander Pankratov * @license https://opensource.org/license/apache-2-0 Apache 2.0 * @link https://github.com/danog/AsyncOrm AsyncOrm documentation */ namespace danog\AsyncOrm\Internal\Containers; use Amp\Future; use danog\AsyncOrm\DbObject; use WeakReference; /** * @template TObject as DbObject * @internal * @api */ final class ObjectReference { /** @var WeakReference */ private readonly WeakReference $reference; public ?DbObject $obj; /** @param TObject $object */ public function __construct( DbObject $object, public int $ttl, private ?Future $initFuture ) { $this->obj = $object; $this->reference = WeakReference::create($object); } /** @return ?TObject */ public function get(): ?DbObject { $ref = $this->reference->get(); if ($ref === null) { return $ref; } if ($this->initFuture !== null) { $this->initFuture->await(); $this->initFuture = null; } return $ref; } }