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77 lines
2.4 KiB
PHP
77 lines
2.4 KiB
PHP
<?php
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namespace Amp;
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// @codeCoverageIgnoreStart
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try {
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if (!@\assert(false)) {
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development: // PHP 7 development (zend.assertions=1)
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/**
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* Deferred is a container for a promise that is resolved using the resolve() and fail() methods of this object.
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* The contained promise may be accessed using the promise() method. This object should not be part of a public
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* API, but used internally to create and resolve a promise.
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*/
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final class Deferred {
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/**
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* @var \Amp\Promise
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*/
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private $promise;
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/**
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* @var callable
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*/
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private $resolve;
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/**
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* @var callable
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*/
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private $fail;
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public function __construct() {
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$this->promise = new Internal\PrivatePromise(function (callable $resolve, callable $fail) {
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$this->resolve = $resolve;
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$this->fail = $fail;
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});
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}
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/**
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* @return \Amp\Promise
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*/
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public function promise(): Promise {
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return $this->promise;
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}
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/**
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* Fulfill the promise with the given value.
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*
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* @param mixed $value
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*/
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public function resolve($value = null) {
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($this->resolve)($value);
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}
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/**
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* Fails the promise the the given reason.
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*
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* @param \Throwable $reason
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*/
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public function fail(\Throwable $reason) {
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($this->fail)($reason);
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}
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}
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} else {
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production: // PHP 7 production environment (zend.assertions=0)
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/**
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* An optimized version of Deferred for production environments that is itself the promise. Eval is used to
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* prevent IDEs and other tools from reporting multiple definitions.
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*/
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eval('namespace Amp;
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final class Deferred implements Promise {
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use Internal\Placeholder { resolve as public; fail as public; }
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public function promise(): Promise { return $this; }
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}');
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}
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} catch (\AssertionError $exception) {
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goto development; // zend.assertions=1 and assert.exception=1, use development definition.
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} // @codeCoverageIgnoreEnd
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