new Deps
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+11
-50
@@ -4,62 +4,23 @@ declare(strict_types=1);
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namespace GraphQL;
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use Exception;
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use GraphQL\Executor\Promise\Adapter\SyncPromise;
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use SplQueue;
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use Throwable;
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class Deferred
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class Deferred extends SyncPromise
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{
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/** @var SplQueue|null */
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private static $queue;
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/** @var callable */
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private $callback;
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/** @var SyncPromise */
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public $promise;
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public function __construct(callable $callback)
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/**
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* @param callable() : mixed $executor
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*/
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public static function create(callable $executor) : self
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{
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$this->callback = $callback;
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$this->promise = new SyncPromise();
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self::getQueue()->enqueue($this);
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return new self($executor);
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}
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public static function getQueue() : SplQueue
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/**
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* @param callable() : mixed $executor
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*/
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public function __construct(callable $executor)
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{
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if (self::$queue === null) {
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self::$queue = new SplQueue();
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}
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return self::$queue;
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}
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public static function runQueue() : void
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{
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$queue = self::getQueue();
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while (! $queue->isEmpty()) {
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/** @var self $dequeuedNodeValue */
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$dequeuedNodeValue = $queue->dequeue();
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$dequeuedNodeValue->run();
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}
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}
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public function then($onFulfilled = null, $onRejected = null)
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{
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return $this->promise->then($onFulfilled, $onRejected);
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}
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public function run() : void
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{
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try {
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$cb = $this->callback;
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$this->promise->resolve($cb());
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} catch (Exception $e) {
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$this->promise->reject($e);
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} catch (Throwable $e) {
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$this->promise->reject($e);
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}
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parent::__construct($executor);
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}
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}
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