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<?php |
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namespace Basis; |
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use Basis\Procedure\JobQueue\Cast; |
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use Basis\Procedure\JobQueue\Take; |
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use Exception; |
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class Executor |
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{ |
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use Toolkit; |
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public function request($request) |
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{ |
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if (!array_key_exists('job', $request) || !$request['job']) { |
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throw new Exception("No job defined"); |
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} |
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if (!array_key_exists('service', $request) || !$request['service']) { |
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if ($this->get(Runner::class)->hasJob($request['job'])) { |
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$request['service'] = $this->getServiceName(); |
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} else { |
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$request['service'] = explode('.', $request['job'])[0]; |
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} |
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} |
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if (!array_key_exists('params', $request)) { |
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$request['params'] = []; |
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} else { |
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$request['params'] = $this->get(Converter::class)->toArray($request['params']); |
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} |
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$context = $this->get(Context::class)->toArray(); |
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$jobContext = $this->findOrCreate('job_context', [ |
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'hash' => md5(json_encode($context)) |
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]); |
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if (!$jobContext->context) { |
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$jobContext->context = $context; |
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$jobContext->save(); |
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} |
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$request['context'] = $jobContext->id; |
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$request['hash'] = md5(json_encode([ |
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$request['service'], |
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$request['job'], |
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$request['params'], |
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])); |
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// ready |
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$request['status'] = 'r'; |
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$tuple = []; |
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foreach ($this->getRepository('job_queue')->getSpace()->getTupleMap() as $key => $index) { |
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if (array_key_exists($key, $request)) { |
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$tuple[$index] = $request[$key]; |
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} |
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} |
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$casting = $this->get(Cast::class)($request['hash'], $tuple); |
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$this->getRepository('job_queue')->flushCache(); |
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return $this->getRepository('job_queue')->getInstance($casting['tuple']); |
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} |
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public function send(string $job, array $params = [], string $service = null) |
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{ |
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$this->request(compact('job', 'params', 'service')); |
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} |
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public function dispatch(string $job, array $params = [], string $service = null) |
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{ |
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$recipient = $this->getServiceName(); |
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$request = $this->request(compact('job', 'params', 'service', 'recipient')); |
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return $this->result($request->hash); |
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} |
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public function process() |
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{ |
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$tuple = $this->get(Take::class)(); |
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if (!$tuple) { |
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return; |
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} |
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$request = $this->getRepository('job_queue')->getInstance($tuple); |
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if ($request->service != $this->getServiceName()) { |
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// move to service queue |
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throw new Exception("Error Processing Request", 1); |
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} else { |
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$context = $this->get(Context::class); |
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$runner = $this->get(Runner::class); |
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$contextBackup = $context->toArray(); |
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$jobContext = $this->findOrFail('job_context', $request->context); |
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$context->reset($jobContext->context); |
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$result = $runner->dispatch($request->job, $request->params); |
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$context->reset($contextBackup); |
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if ($request->recipient) { |
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$this->create('job_result', [ |
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'service' => $request->recipient, |
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'hash' => $request->hash, |
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'data' => $this->get(Converter::class)->toArray($result), |
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'expire' => property_exists($result, 'expire') ? $result->expire : 0, |
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]); |
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} |
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} |
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return $this->getMapper()->remove($request); |
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} |
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public function result($hash) |
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{ |
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$result = $this->findOne('job_result', [ |
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'service' => $this->getServiceName(), |
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'hash' => $hash, |
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]); |
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if (!$result) { |
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if (!$this->process()) { |
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usleep(50000); // 50 milliseconds sleep |
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} |
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return $this->result($hash); |
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} |
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return $this->get(Converter::class)->toObject($result->data); |
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} |
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public function getServiceName() |
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{ |
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return $this->get(Service::class)->getName(); |
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} |
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} |
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basis-company /
framework.php
