AppserverIo\Appserver\MessageQueue\MessageQueue::bootstrap PHP Method

    public function bootstrap()
    {
        // register the default autoloader
        require SERVER_AUTOLOADER;
        // synchronize the application instance and register the class loaders
        $application = $this->application;
        $application->registerClassLoaders();
        // create a reference to the workers/messages
        $workers = $this->workers;
        $messages = $this->messages;
        $managerSettings = $this->managerSettings;
        // try to load the profile logger
        if ($this->profileLogger = $application->getInitialContext()->getLogger(LoggerUtils::PROFILE)) {
            $this->profileLogger->appendThreadContext(sprintf('message-queue-%s', $this->getName()));
        }
        // prepare the storages
        $jobsToExceute = array();
        // initialize the counter for the storages
        $counter = 0;
        // create a separate queue for each priority
        foreach (PriorityKeys::getAll() as $priorityKey) {
            // create the containers for the worker
            $jobsToExceute[$counter] = new GenericStackable();
            // initialize and start the queue worker
            $queueWorker = new QueueWorker();
            $queueWorker->injectMessages($messages);
            $queueWorker->injectApplication($application);
            $queueWorker->injectPriorityKey($priorityKey);
            $queueWorker->injectManagerSettings($managerSettings);
            // attach the storages
            $queueWorker->injectJobsToExecute($jobsToExceute[$counter]);
            // start the worker instance
            $queueWorker->start();
            // add the queue instance to the module
            $workers[$this->uniqueWorkerName($priorityKey)] = $queueWorker;
            // raise the counter
            $counter++;
        }
    }