Add backgroundjobs to OCP
This adds abstract classes to base background jobs on. Right now almost all uses of this use the private namespace. For most usages it will be enough to just extend the the abstract classes QueuedJob or TimedJob. It should be a straight forward drop in replacement. The private jobs can then be killed off after a few releases. So we have a nice public API. Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>
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Roeland Jago Douma
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<?php
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declare(strict_types=1);
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/**
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* @copyright Copyright (c) 2018, Roeland Jago Douma <roeland@famdouma.nl>
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*
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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namespace OCP\BackgroundJob;
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use OCP\AppFramework\Utility\ITimeFactory;
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use OCP\ILogger;
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/**
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* Base class for background jobs
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*
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* This is here if you want to do advanced stuff in your background jobs.
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* For the most common use cases have a look at QueuedJob and TimedJob
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*
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* @since 15.0.0
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*/
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abstract class Job implements IJob {
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/** @var int $id */
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protected $id;
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/** @var int $lastRun */
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protected $lastRun;
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/** @var mixed $argument */
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protected $argument;
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/** @var ITimeFactory */
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protected $time;
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/**
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* @since 15.0.0
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*/
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public function __construct(ITimeFactory $time) {
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$this->time = $time;
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}
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/**
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* The function to prepare the execution of the job.
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*
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* @param IJobList $jobList
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* @param ILogger|null $logger
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*
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* @since 15.0.0
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*/
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public function execute($jobList, ILogger $logger = null) {
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$jobList->setLastRun($this);
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if ($logger === null) {
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$logger = \OC::$server->getLogger();
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}
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try {
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$jobStartTime = $this->time->getTime();
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$logger->debug('Run ' . get_class($this) . ' job with ID ' . $this->getId(), ['app' => 'cron']);
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$this->run($this->argument);
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$timeTaken = $this->time->getTime() - $jobStartTime;
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$logger->debug('Finished ' . get_class($this) . ' job with ID ' . $this->getId() . ' in ' . $timeTaken . ' seconds', ['app' => 'cron']);
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$jobList->setExecutionTime($this, $timeTaken);
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} catch (\Exception $e) {
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if ($logger) {
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$logger->logException($e, [
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'app' => 'core',
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'message' => 'Error while running background job (class: ' . get_class($this) . ', arguments: ' . print_r($this->argument, true) . ')'
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]);
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}
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}
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}
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/**
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* @since 15.0.0
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*/
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final public function setId($id) {
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$this->id = $id;
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}
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/**
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* @since 15.0.0
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*/
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final public function setLastRun($lastRun) {
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$this->lastRun = $lastRun;
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}
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/**
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* @since 15.0.0
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*/
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public function setArgument($argument) {
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$this->argument = $argument;
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}
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/**
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* @since 15.0.0
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*/
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final public function getId(): int {
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return $this->id;
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}
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/**
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* @since 15.0.0
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*/
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final public function getLastRun(): int {
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return $this->lastRun;
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}
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/**
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* @since 15.0.0
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*/
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public function getArgument() {
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return $this->argument;
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}
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/**
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* The actual function that is called to run the job
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*
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* @param $argument
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* @return mixed
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*/
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abstract protected function run($argument);
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}
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@ -0,0 +1,48 @@
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<?php
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declare(strict_types=1);
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/**
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* @copyright Copyright (c) 2018, Roeland Jago Douma <roeland@famdouma.nl>
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*
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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namespace OCP\BackgroundJob;
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use OCP\ILogger;
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/**
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* Simple base class for a one time background job
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*
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* @since 15.0.0
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*/
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abstract class QueuedJob extends Job {
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/**
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* run the job, then remove it from the joblist
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*
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* @param IJobList $jobList
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* @param ILogger|null $logger
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*
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* @since 15.0.0
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*/
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final public function execute($jobList, ILogger $logger = null) {
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$jobList->remove($this, $this->argument);
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parent::execute($jobList, $logger);
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}
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}
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@ -0,0 +1,62 @@
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<?php
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declare(strict_types=1);
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/**
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* @copyright Copyright (c) 2018, Roeland Jago Douma <roeland@famdouma.nl>
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*
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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namespace OCP\BackgroundJob;
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use OC\BackgroundJob\JobList;
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use OCP\ILogger;
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/**
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* Simple base class to extend to run periodic background jobs.
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* Call setInterval with your desired interval in seconds from the constructor.
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*
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* @since 15.0.0
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*/
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abstract class TimedJob extends Job {
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/** @var int */
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protected $interval = 0;
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/**
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* set the interval for the job
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*
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* @since 15.0.0
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*/
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public function setInterval(int $interval) {
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$this->interval = $interval;
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}
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/**
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* run the job if the last run is is more than the interval ago
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*
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* @param JobList $jobList
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* @param ILogger|null $logger
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*
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* @since 15.0.0
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*/
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final public function execute($jobList, ILogger $logger = null) {
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if (($this->time->getTime() - $this->lastRun) > $this->interval) {
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parent::execute($jobList, $logger);
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}
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}
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}
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