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Current File : /home/eolienneia/www/templates/yootheme/vendor/yootheme/graphql/lib/Executor/Promise/Promise.php

<?php
namespace YOOtheme\GraphQL\Executor\Promise;

use YOOtheme\GraphQL\Utils\Utils;

/**
 * Convenience wrapper for promises represented by Promise Adapter
 */
class Promise
{
    private $adapter;

    public $adoptedPromise;

    /**
     * Promise constructor.
     *
     * @param mixed $adoptedPromise
     * @param PromiseAdapter $adapter
     */
    public function __construct($adoptedPromise, PromiseAdapter $adapter)
    {
        Utils::invariant(!$adoptedPromise instanceof self, 'Expecting promise from adapted system, got ' . __CLASS__);

        $this->adapter = $adapter;
        $this->adoptedPromise = $adoptedPromise;
    }

    /**
     * @param callable|null $onFulfilled
     * @param callable|null $onRejected
     *
     * @return Promise
     */
    public function then(callable $onFulfilled = null, callable $onRejected = null)
    {
        return $this->adapter->then($this, $onFulfilled, $onRejected);
    }
}