40 lines
924 B
PHP
40 lines
924 B
PHP
<?php
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namespace GraphQL\Executor\Promise;
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use GraphQL\Utils\Utils;
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/**
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* Convenience wrapper for promises represented by Promise Adapter
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*/
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class Promise
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{
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private $adapter;
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public $adoptedPromise;
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/**
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* Promise constructor.
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*
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* @param mixed $adoptedPromise
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* @param PromiseAdapter $adapter
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*/
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public function __construct($adoptedPromise, PromiseAdapter $adapter)
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{
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Utils::invariant(!$adoptedPromise instanceof self, 'Expecting promise from adapted system, got ' . __CLASS__);
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$this->adapter = $adapter;
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$this->adoptedPromise = $adoptedPromise;
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}
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/**
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* @param callable|null $onFulfilled
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* @param callable|null $onRejected
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*
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* @return Promise
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*/
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public function then(callable $onFulfilled = null, callable $onRejected = null)
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{
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return $this->adapter->then($this, $onFulfilled, $onRejected);
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}
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}
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