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<?php |
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namespace Dazzle\Promise; |
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use Error; |
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use Exception; |
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class Deferred implements DeferredInterface |
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{ |
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/** |
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* @var PromiseInterface|null |
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*/ |
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protected $promise; |
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/** |
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* @var callable |
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*/ |
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protected $resolveCallback; |
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/** |
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* @var callable |
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*/ |
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protected $rejectCallback; |
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/** |
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* @var callable |
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*/ |
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protected $cancelCallback; |
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/** |
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* @var callable|null |
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*/ |
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protected $canceller; |
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/** |
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* @param callable $canceller |
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*/ |
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public function __construct($canceller = null) |
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{ |
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$this->promise = null; |
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$this->resolveCallback = function($value = null) {}; |
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$this->rejectCallback = function($reason = null) {}; |
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$this->cancelCallback = function($reason = null) {}; |
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$this->canceller = $canceller; |
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} |
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/** |
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* |
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*/ |
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167 |
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public function __destruct() |
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{ |
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unset($this->promise); |
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unset($this->resolveCallback); |
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unset($this->rejectCallback); |
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unset($this->cancelCallback); |
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unset($this->canceller); |
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} |
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/** |
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* @override |
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* @inheritDoc |
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*/ |
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167 |
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public function getPromise() |
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{ |
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if (null === $this->promise) |
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{ |
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$this->promise = new Promise(function($resolve, $reject, $cancel) { |
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$this->resolveCallback = $resolve; |
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$this->rejectCallback = $reject; |
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$this->cancelCallback = $cancel; |
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}, $this->canceller); |
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} |
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return $this->promise; |
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} |
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/** |
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* @override |
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* @inheritDoc |
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*/ |
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public function resolve($value = null) |
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{ |
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$this->getPromise(); |
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return call_user_func($this->resolveCallback, $value); |
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} |
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/** |
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* @override |
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* @inheritDoc |
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*/ |
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public function reject($reason = null) |
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{ |
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$this->getPromise(); |
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return call_user_func($this->rejectCallback, $reason); |
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} |
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/** |
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* @override |
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* @inheritDoc |
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*/ |
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public function cancel($reason = null) |
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{ |
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$this->getPromise(); |
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return call_user_func($this->cancelCallback, $reason); |
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} |
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} |
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dazzle-php /
promise
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This check looks from parameters that have been defined for a function or method, but which are not used in the method body.