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61 lines
1.8 KiB
PHP
61 lines
1.8 KiB
PHP
<?php
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/*
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*
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* ____ _ _ __ __ _ __ __ ____
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* | _ \ ___ ___| | _____| |_| \/ (_)_ __ ___ | \/ | _ \
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* | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
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* | __/ (_) | (__| < __/ |_| | | | | | | | __/_____| | | | __/
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* |_| \___/ \___|_|\_\___|\__|_| |_|_|_| |_|\___| |_| |_|_|
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* @author PocketMine Team
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* @link http://www.pocketmine.net/
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*
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*
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*/
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declare(strict_types=1);
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namespace pocketmine\promise;
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use function spl_object_id;
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/**
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* @phpstan-template TValue
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*/
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final class Promise{
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/**
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* @internal Do NOT call this directly; create a new Resolver and call Resolver->promise()
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* @see PromiseResolver
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* @phpstan-param PromiseSharedData<TValue> $shared
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*/
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public function __construct(private PromiseSharedData $shared){}
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/**
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* @phpstan-param \Closure(TValue) : void $onSuccess
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* @phpstan-param \Closure() : void $onFailure
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*/
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public function onCompletion(\Closure $onSuccess, \Closure $onFailure) : void{
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$state = $this->shared->state;
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if($state === true){
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$onSuccess($this->shared->result);
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}elseif($state === false){
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$onFailure();
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}else{
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$this->shared->onSuccess[spl_object_id($onSuccess)] = $onSuccess;
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$this->shared->onFailure[spl_object_id($onFailure)] = $onFailure;
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}
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}
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public function isResolved() : bool{
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//TODO: perhaps this should return true when rejected? currently there's no way to tell if a promise was
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//rejected or just hasn't been resolved yet
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return $this->shared->state === true;
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}
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}
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