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Current Path : /home/scgforma/www/cloud/3rdparty/react/promise/src/ |
Current File : /home/scgforma/www/cloud/3rdparty/react/promise/src/LazyPromise.php |
<?php namespace React\Promise; class LazyPromise implements ExtendedPromiseInterface, CancellablePromiseInterface { private $factory; private $promise; public function __construct(callable $factory) { $this->factory = $factory; } public function then(callable $onFulfilled = null, callable $onRejected = null, callable $onProgress = null) { return $this->promise()->then($onFulfilled, $onRejected, $onProgress); } public function done(callable $onFulfilled = null, callable $onRejected = null, callable $onProgress = null) { return $this->promise()->done($onFulfilled, $onRejected, $onProgress); } public function otherwise(callable $onRejected) { return $this->promise()->otherwise($onRejected); } public function always(callable $onFulfilledOrRejected) { return $this->promise()->always($onFulfilledOrRejected); } public function progress(callable $onProgress) { return $this->promise()->progress($onProgress); } public function cancel() { return $this->promise()->cancel(); } private function promise() { if (null === $this->promise) { try { $this->promise = resolve(call_user_func($this->factory)); } catch (\Exception $exception) { $this->promise = new RejectedPromise($exception); } } return $this->promise; } }