mirror of
https://github.com/danog/parallel.git
synced 2024-12-11 08:39:48 +01:00
37 lines
1.2 KiB
PHP
37 lines
1.2 KiB
PHP
<?php
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namespace Amp\Parallel\Worker;
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use Amp\Parallel\Context\Thread;
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use Amp\Promise;
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/**
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* A worker thread that executes task objects.
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*/
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class WorkerThread extends AbstractWorker {
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/**
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* @param string $envClassName Name of class implementing \Amp\Parallel\Worker\Environment to instigate.
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* Defaults to \Amp\Parallel\Worker\BasicEnvironment.
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*/
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public function __construct(string $envClassName = BasicEnvironment::class) {
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parent::__construct(new Thread(function (string $className): Promise {
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if (!\class_exists($className)) {
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throw new \Error(\sprintf("Invalid environment class name '%s'", $className));
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}
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if (!\is_subclass_of($className, Environment::class)) {
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throw new \Error(\sprintf("The class '%s' does not implement '%s'", $className, Environment::class));
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}
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$environment = new $className;
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if (!\defined("AMP_WORKER")) {
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\define("AMP_WORKER", "amp-worker");
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}
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$runner = new TaskRunner($this, $environment);
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return $runner->run();
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}, $envClassName));
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}
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}
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