Exception
3 years ago
HttpClientPool
3 years ago
Plugin
3 years ago
BatchClient.php
3 years ago
BatchResult.php
3 years ago
Deferred.php
3 years ago
EmulatedHttpAsyncClient.php
3 years ago
EmulatedHttpClient.php
3 years ago
FlexibleHttpClient.php
3 years ago
HttpAsyncClientDecorator.php
3 years ago
HttpAsyncClientEmulator.php
3 years ago
HttpClientDecorator.php
3 years ago
HttpClientEmulator.php
3 years ago
HttpClientPool.php
3 years ago
HttpClientPoolItem.php
3 years ago
HttpClientRouter.php
3 years ago
HttpMethodsClient.php
3 years ago
Plugin.php
3 years ago
PluginClient.php
3 years ago
PluginClientFactory.php
3 years ago
VersionBridgeClient.php
3 years ago
Deferred.php
132 lines
| 1 | <?php |
| 2 | |
| 3 | namespace AmeliaHttp\Client\Common; |
| 4 | |
| 5 | use AmeliaHttp\Client\Exception; |
| 6 | use AmeliaHttp\Promise\Promise; |
| 7 | use AmeliaPsr\Http\Message\ResponseInterface; |
| 8 | |
| 9 | /** |
| 10 | * A deferred allow to return a promise which has not been resolved yet. |
| 11 | */ |
| 12 | class Deferred implements Promise |
| 13 | { |
| 14 | private $value; |
| 15 | |
| 16 | private $failure; |
| 17 | |
| 18 | private $state; |
| 19 | |
| 20 | private $waitCallback; |
| 21 | |
| 22 | private $onFulfilledCallbacks; |
| 23 | |
| 24 | private $onRejectedCallbacks; |
| 25 | |
| 26 | public function __construct(callable $waitCallback) |
| 27 | { |
| 28 | $this->waitCallback = $waitCallback; |
| 29 | $this->state = Promise::PENDING; |
| 30 | $this->onFulfilledCallbacks = []; |
| 31 | $this->onRejectedCallbacks = []; |
| 32 | } |
| 33 | |
| 34 | /** |
| 35 | * {@inheritdoc} |
| 36 | */ |
| 37 | public function then(callable $onFulfilled = null, callable $onRejected = null) |
| 38 | { |
| 39 | $deferred = new self($this->waitCallback); |
| 40 | |
| 41 | $this->onFulfilledCallbacks[] = function (ResponseInterface $response) use ($onFulfilled, $deferred) { |
| 42 | try { |
| 43 | if (null !== $onFulfilled) { |
| 44 | $response = $onFulfilled($response); |
| 45 | } |
| 46 | $deferred->resolve($response); |
| 47 | } catch (Exception $exception) { |
| 48 | $deferred->reject($exception); |
| 49 | } |
| 50 | }; |
| 51 | |
| 52 | $this->onRejectedCallbacks[] = function (Exception $exception) use ($onRejected, $deferred) { |
| 53 | try { |
| 54 | if (null !== $onRejected) { |
| 55 | $response = $onRejected($exception); |
| 56 | $deferred->resolve($response); |
| 57 | |
| 58 | return; |
| 59 | } |
| 60 | $deferred->reject($exception); |
| 61 | } catch (Exception $newException) { |
| 62 | $deferred->reject($newException); |
| 63 | } |
| 64 | }; |
| 65 | |
| 66 | return $deferred; |
| 67 | } |
| 68 | |
| 69 | /** |
| 70 | * {@inheritdoc} |
| 71 | */ |
| 72 | public function getState() |
| 73 | { |
| 74 | return $this->state; |
| 75 | } |
| 76 | |
| 77 | /** |
| 78 | * Resolve this deferred with a Response. |
| 79 | */ |
| 80 | public function resolve(ResponseInterface $response) |
| 81 | { |
| 82 | if (self::PENDING !== $this->state) { |
| 83 | return; |
| 84 | } |
| 85 | |
| 86 | $this->value = $response; |
| 87 | $this->state = self::FULFILLED; |
| 88 | |
| 89 | foreach ($this->onFulfilledCallbacks as $onFulfilledCallback) { |
| 90 | $onFulfilledCallback($response); |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | /** |
| 95 | * Reject this deferred with an Exception. |
| 96 | */ |
| 97 | public function reject(Exception $exception) |
| 98 | { |
| 99 | if (self::PENDING !== $this->state) { |
| 100 | return; |
| 101 | } |
| 102 | |
| 103 | $this->failure = $exception; |
| 104 | $this->state = self::REJECTED; |
| 105 | |
| 106 | foreach ($this->onRejectedCallbacks as $onRejectedCallback) { |
| 107 | $onRejectedCallback($exception); |
| 108 | } |
| 109 | } |
| 110 | |
| 111 | /** |
| 112 | * {@inheritdoc} |
| 113 | */ |
| 114 | public function wait($unwrap = true) |
| 115 | { |
| 116 | if (self::PENDING === $this->state) { |
| 117 | $callback = $this->waitCallback; |
| 118 | $callback(); |
| 119 | } |
| 120 | |
| 121 | if (!$unwrap) { |
| 122 | return; |
| 123 | } |
| 124 | |
| 125 | if (self::FULFILLED === $this->state) { |
| 126 | return $this->value; |
| 127 | } |
| 128 | |
| 129 | throw $this->failure; |
| 130 | } |
| 131 | } |
| 132 |