FulfilledPromise.php
59 lines
| 1 | <?php |
| 2 | |
| 3 | namespace AmeliaHttp\Promise; |
| 4 | |
| 5 | /** |
| 6 | * A promise already fulfilled. |
| 7 | * |
| 8 | * @author Joel Wurtz <joel.wurtz@gmail.com> |
| 9 | */ |
| 10 | final class FulfilledPromise implements Promise |
| 11 | { |
| 12 | /** |
| 13 | * @var mixed |
| 14 | */ |
| 15 | private $result; |
| 16 | |
| 17 | /** |
| 18 | * @param $result |
| 19 | */ |
| 20 | public function __construct($result) |
| 21 | { |
| 22 | $this->result = $result; |
| 23 | } |
| 24 | |
| 25 | /** |
| 26 | * {@inheritdoc} |
| 27 | */ |
| 28 | public function then(callable $onFulfilled = null, callable $onRejected = null) |
| 29 | { |
| 30 | if (null === $onFulfilled) { |
| 31 | return $this; |
| 32 | } |
| 33 | |
| 34 | try { |
| 35 | return new self($onFulfilled($this->result)); |
| 36 | } catch (\Exception $e) { |
| 37 | return new RejectedPromise($e); |
| 38 | } |
| 39 | } |
| 40 | |
| 41 | /** |
| 42 | * {@inheritdoc} |
| 43 | */ |
| 44 | public function getState() |
| 45 | { |
| 46 | return Promise::FULFILLED; |
| 47 | } |
| 48 | |
| 49 | /** |
| 50 | * {@inheritdoc} |
| 51 | */ |
| 52 | public function wait($unwrap = true) |
| 53 | { |
| 54 | if ($unwrap) { |
| 55 | return $this->result; |
| 56 | } |
| 57 | } |
| 58 | } |
| 59 |