Completed
Push — master ( 9672ef...b72795 )
by Ivannis Suárez
02:30
created

ThenResolver::promise()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 4
Code Lines 2

Duplication

Lines 0
Ratio 0 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
c 1
b 0
f 0
dl 0
loc 4
rs 10
cc 1
eloc 2
nc 1
nop 0
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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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 * Then 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 ThenResolver extends ObservableResolver implements PromisorInterface
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{
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    /**
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     * @var DeferredInterface
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     */
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    protected $deferred;
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    /**
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     * @param callable $onFulfilled
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     * @param callable $onRejected
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     * @param callable $onNotify
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     */
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    public function __construct(
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        callable $onFulfilled = null,
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        callable $onRejected = null,
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        callable $onNotify = null
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    ) {
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        parent::__construct($onFulfilled, $onRejected, $onNotify);
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        $this->deferred = new Deferred();
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    }
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    /**
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     * {@inheritdoc}
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     */
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    public function reject($reason = null)
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    {
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        try {
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            parent::reject($reason);
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        } catch (\Exception $e) {
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            $reason = $e;
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        }
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        $this->deferred->reject($reason);
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    }
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    /**
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     * {@inheritdoc}
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     */
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    public function promise()
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    {
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        return $this->deferred->promise();
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    }
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    /**
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     * {@inheritdoc}
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     */
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    protected function onResolve($value = null)
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    {
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        $value = $this->callResolveCallback($value);
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        if ($value instanceof PromiseInterface) {
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            $value->then(function ($actual) {
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                $this->deferred->resolve($actual);
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            }, function ($reason) {
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                $this->deferred->reject($reason);
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            }, function ($state) {
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                $this->deferred->notify($state);
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            });
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        } else {
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            $this->deferred->resolve($value);
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        }
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    }
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}
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