context = $context; } /** * {@inheritdoc} */ public function isRunning() { return $this->context->isRunning(); } /** * {@inheritdoc} */ public function isIdle() { return $this->idle; } /** * {@inheritdoc} */ public function start() { $this->context->start(); } /** * {@inheritdoc} */ public function enqueue(TaskInterface $task) { if (!$this->context->isRunning()) { throw new StatusError('The worker has not been started.'); } $this->idle = false; yield $this->context->send($task); $result = (yield $this->context->receive()); $this->idle = true; if ($result instanceof TaskFailure) { throw $result->getException(); } yield $result; } /** * {@inheritdoc} */ public function shutdown() { if (!$this->context->isRunning()) { throw new StatusError('The worker is not running.'); } yield $this->context->send(0); yield $this->context->join(); } /** * {@inheritdoc} */ public function kill() { $this->context->kill(); } }