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<?php |
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/** |
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* This file is part of the Global Trading Technologies Ltd workflow-extension-bundle package. |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* (c) fduch <[email protected]> |
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* @date 28.07.16 |
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*/ |
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namespace Gtt\Bundle\WorkflowExtensionsBundle\Schedule; |
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use Gtt\Bundle\WorkflowExtensionsBundle\WorkflowContext; |
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use Gtt\Bundle\WorkflowExtensionsBundle\Command\ExecuteActionCommand; |
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use Gtt\Bundle\WorkflowExtensionsBundle\Entity\Repository\ScheduledJobRepository; |
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use Gtt\Bundle\WorkflowExtensionsBundle\Entity\ScheduledJob; |
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use Gtt\Bundle\WorkflowExtensionsBundle\Schedule\ValueObject\ScheduledAction; |
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use Gtt\Bundle\WorkflowExtensionsBundle\WorkflowSubject\SubjectManipulator; |
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use Doctrine\Common\Persistence\ObjectManager; |
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use JMS\JobQueueBundle\Entity\Job; |
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use Carbon\Carbon; |
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use Psr\Log\LoggerInterface; |
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/** |
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* Schedules action to be executed after some time |
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*/ |
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class ActionScheduler |
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{ |
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/** |
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* Persistance object manager |
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* |
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* @var ObjectManager |
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*/ |
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private $em; |
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/** |
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* Logger |
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* |
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* @var LoggerInterface |
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*/ |
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private $logger; |
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/** |
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* ActionScheduler constructor. |
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* |
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* @param ObjectManager $em entity manager |
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* @param LoggerInterface $logger logger |
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*/ |
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public function __construct(ObjectManager $em, LoggerInterface $logger) |
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{ |
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$this->em = $em; |
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$this->logger = $logger; |
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} |
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/** |
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* Schedules actions |
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* |
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* @param WorkflowContext $workflowContext workflow context |
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* @param ScheduledAction $scheduledAction scheduled action |
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*/ |
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public function scheduleAction(WorkflowContext $workflowContext, ScheduledAction $scheduledAction) |
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{ |
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/** @var ScheduledJobRepository $scheduledJobRepository */ |
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$scheduledJobRepository = $this->em->getRepository(ScheduledJob::class); |
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$jobToSchedule = new Job(ExecuteActionCommand::COMMAND_NAME, |
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[ |
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'--action=' . $scheduledAction->getName(), |
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'--arguments=' . json_encode($scheduledAction->getArguments()), |
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'--workflow=' . $workflowContext->getWorkflow()->getName(), |
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'--subjectClass=' . get_class($workflowContext->getSubject()), |
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'--subjectId=' . $workflowContext->getSubjectId(), |
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] |
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); |
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$scheduledJob = null; |
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if ($scheduledAction->isReschedulable()) { |
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$scheduledJob = $scheduledJobRepository->findScheduledJobToReschedule($jobToSchedule); |
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} |
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if ($scheduledJob) { |
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// the job was already scheduled but not executed. Now we need to reschedule it |
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$this->rescheduleActionJob($scheduledAction, $scheduledJob, $workflowContext); |
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} else { |
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// creating new jms job to trigger action |
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$this->scheduleActionJob($scheduledAction, $jobToSchedule, $workflowContext); |
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} |
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} |
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/** |
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* Reschedules already scheduled action |
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* |
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* @param ScheduledAction $scheduledAction scheduled action |
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* @param Job $jobToSchedule job to schedule |
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* @param WorkflowContext $workflowContext workflow context |
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*/ |
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private function scheduleActionJob(ScheduledAction $scheduledAction, Job $jobToSchedule, WorkflowContext $workflowContext) |
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{ |
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$executionDate = $this->getActionExecutionDate($scheduledAction); |
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$jobToSchedule->setExecuteAfter($executionDate); |
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$scheduledJob = new ScheduledJob($jobToSchedule, $scheduledAction->isReschedulable()); |
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$this->em->persist($jobToSchedule); |
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$this->em->persist($scheduledJob); |
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$this->em->flush(); |
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$this->logger->info( |
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sprintf( |
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"Workflow successfully scheduled action '%s' with parameters '%s'", |
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$scheduledAction->getName(), |
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json_encode($scheduledAction->getArguments()) |
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), |
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$workflowContext->getLoggerContext() |
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); |
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} |
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/** |
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* Reschedules already scheduled action |
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* |
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* @param ScheduledAction $scheduledAction scheduled action |
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* @param ScheduledJob $scheduledJob scheduled job for action |
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* @param WorkflowContext $workflowContext workflow context |
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*/ |
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private function rescheduleActionJob(ScheduledAction $scheduledAction, ScheduledJob $scheduledJob, WorkflowContext $workflowContext) |
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{ |
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$actionJob = $scheduledJob->getJob(); |
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$actionJob->setExecuteAfter($this->getActionExecutionDate($scheduledAction)); |
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// since jms Job states DEFERRED_EXPLICIT change tracking policy we should explicitly persist entity now |
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$this->em->persist($actionJob); |
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$this->em->flush(); |
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$this->logger->info( |
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sprintf("Workflow successfully rescheduled action '%s' with parameters '%s'", |
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$scheduledAction->getName(), |
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json_encode($scheduledAction->getArguments()) |
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), |
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$workflowContext->getLoggerContext() |
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); |
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} |
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/** |
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* Calculates execution date date for scheduled action |
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* |
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* @param ScheduledAction $scheduledAction scheduled action |
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* |
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* @return \DateTime |
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*/ |
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private function getActionExecutionDate(ScheduledAction $scheduledAction) |
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{ |
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$executionDate = Carbon::now(); |
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$executionDate->add($scheduledAction->getOffset()); |
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return $executionDate; |
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} |
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} |
GlobalTradingTechnologies /
workflow-extensions-bundle
