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54 lines
1.2 KiB
PHP
54 lines
1.2 KiB
PHP
<?php
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namespace Amp;
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/**
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* Represents the failed resolution of a Promisor's future computation
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*/
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class Failure implements Promise {
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private $error;
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/**
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* @param \Exception $error
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*/
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public function __construct(\Exception $error) {
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$this->error = $error;
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}
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/**
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* Pass the resolved failure Exception to the specified callback
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*
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* NOTE: because this object represents a failed Promise it will *always* invoke the specified
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* $func callback immediately.
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*
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* @param callable $func
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* @return void
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*/
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public function when(callable $func) {
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$func($this->error, $result = null);
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}
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/**
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* Does nothing -- a resolved promise has no progress updates
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*
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* @param callable $func
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* @return void
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*/
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public function watch(callable $func) {
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return;
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}
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/**
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* This method is deprecated. New code should use Amp\wait($promise) instead.
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*/
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public function wait() {
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trigger_error(
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'Amp\\Promise::wait() is deprecated and scheduled for removal. ' .
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'Please update code to use Amp\\wait($promise) instead.',
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E_USER_DEPRECATED
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);
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throw $this->error;
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}
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}
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