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lib/pkp/classes/task/ProcessQueueJobs.php

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+<?php
+
+/**
+ * @file classes/task/ProcessQueueJobs.php
+ *
+ * Copyright (c) 2022 Simon Fraser University
+ * Copyright (c) 2022 John Willinsky
+ * Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
+ *
+ * @class ProcessQueueJobs
+ *
+ * @ingroup tasks
+ *
+ * @brief Class to process queue jobs via the schedular task
+ */
+
+namespace PKP\task;
+
+use APP\core\Application;
+use PKP\config\Config;
+use PKP\queue\JobRunner;
+use PKP\scheduledTask\ScheduledTask;
+
+class ProcessQueueJobs extends ScheduledTask
+{
+    /**
+     * @copydoc ScheduledTask::getName()
+     */
+    public function getName()
+    {
+        return __('admin.scheduledTask.processQueueJobs');
+    }
+
+
+    /**
+     * @copydoc ScheduledTask::executeActions()
+     */
+    public function executeActions()
+    {
+        if (Application::isUnderMaintenance() || !Config::getVar('queues', 'job_runner', true)) {
+            return true;
+        }
+
+        $jobQueue = app('pkpJobQueue');
+
+        $jobBuilder = $jobQueue->getJobModelBuilder();
+
+        if ($jobBuilder->count() <= 0) {
+            return true;
+        }
+
+        // Executes all pending jobs when running the runScheduledTasks.php on the CLI
+        if (runOnCLI('runScheduledTasks.php')) {
+            while ($jobBuilder->count()) {
+                $jobQueue->runJobInQueue();
+            }
+
+            return true;
+        }
+
+        // Executes a limited number of jobs when processing a request
+        (new JobRunner($jobQueue))
+            ->withMaxExecutionTimeConstrain()
+            ->withMaxJobsConstrain()
+            ->withMaxMemoryConstrain()
+            ->withEstimatedTimeToProcessNextJobConstrain()
+            ->processJobs($jobBuilder);
+
+        return true;
+    }
+}