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<?php |
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/* |
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* This file is part of the Cubiche package. |
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* |
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* Copyright (c) Cubiche |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Cubiche\Core\Async\Promise; |
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/** |
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* Observable Resolver class. |
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* |
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* @author Karel Osorio Ramírez <[email protected]> |
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*/ |
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class ObservableResolver extends Resolver |
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{ |
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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 $notifyCallback; |
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/** |
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* @param callable $resolveCallback |
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* @param callable $rejectCallback |
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* @param callable $notifyCallback |
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*/ |
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public function __construct( |
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callable $resolveCallback = null, |
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callable $rejectCallback = null, |
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callable $notifyCallback = null |
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) { |
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$this->resolveCallback = $resolveCallback; |
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$this->rejectCallback = $rejectCallback; |
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$this->notifyCallback = $notifyCallback; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function reject($reason = null) |
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{ |
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$this->callRejectCallback($reason); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function onResolve($value = null) |
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{ |
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$this->callResolveCallback($value); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function onNotify($state = null) |
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{ |
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$this->callNotifyCallback($state); |
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} |
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/** |
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* @param mixed $value |
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* |
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* @return mixed |
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*/ |
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protected function callResolveCallback($value = null) |
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{ |
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return $this->invokeCallback($this->resolveCallback, $value); |
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} |
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/** |
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* @param mixed $reason |
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* return mixed |
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*/ |
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protected function callRejectCallback($reason = null) |
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{ |
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return $this->invokeCallback($this->rejectCallback, $reason); |
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} |
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/** |
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* @param mixed $state |
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* |
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* @return mixed |
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*/ |
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protected function callNotifyCallback($state = null) |
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{ |
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return $this->invokeCallback($this->notifyCallback, $state); |
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} |
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/** |
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* @param callable $callback |
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* @param mixed $argument |
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* |
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* @return mixed |
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*/ |
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private function invokeCallback(callable $callback = null, $argument = null) |
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{ |
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return $callback === null ? $argument : \call_user_func($callback, $argument); |
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} |
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} |
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