nextcloud/lib/public/BackgroundJob/Job.php

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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2018, Roeland Jago Douma <roeland@famdouma.nl>
*
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCP\BackgroundJob;
use OCP\AppFramework\Utility\ITimeFactory;
use OCP\ILogger;
/**
* Base class for background jobs
*
* This is here if you want to do advanced stuff in your background jobs.
* For the most common use cases have a look at QueuedJob and TimedJob
*
* @since 15.0.0
*/
abstract class Job implements IJob {
/** @var int $id */
protected $id;
/** @var int $lastRun */
protected $lastRun;
/** @var mixed $argument */
protected $argument;
/** @var ITimeFactory */
protected $time;
/**
* @since 15.0.0
*/
public function __construct(ITimeFactory $time) {
$this->time = $time;
}
/**
* The function to prepare the execution of the job.
*
* @param IJobList $jobList
* @param ILogger|null $logger
*
* @since 15.0.0
*/
public function execute($jobList, ILogger $logger = null) {
$jobList->setLastRun($this);
if ($logger === null) {
$logger = \OC::$server->getLogger();
}
try {
$jobStartTime = $this->time->getTime();
$logger->debug('Run ' . get_class($this) . ' job with ID ' . $this->getId(), ['app' => 'cron']);
$this->run($this->argument);
$timeTaken = $this->time->getTime() - $jobStartTime;
$logger->debug('Finished ' . get_class($this) . ' job with ID ' . $this->getId() . ' in ' . $timeTaken . ' seconds', ['app' => 'cron']);
$jobList->setExecutionTime($this, $timeTaken);
} catch (\Exception $e) {
if ($logger) {
$logger->logException($e, [
'app' => 'core',
'message' => 'Error while running background job (class: ' . get_class($this) . ', arguments: ' . print_r($this->argument, true) . ')'
]);
}
}
}
/**
* @since 15.0.0
*/
final public function setId($id) {
$this->id = $id;
}
/**
* @since 15.0.0
*/
final public function setLastRun($lastRun) {
$this->lastRun = $lastRun;
}
/**
* @since 15.0.0
*/
public function setArgument($argument) {
$this->argument = $argument;
}
/**
* @since 15.0.0
*/
final public function getId(): int {
return $this->id;
}
/**
* @since 15.0.0
*/
final public function getLastRun(): int {
return $this->lastRun;
}
/**
* @since 15.0.0
*/
public function getArgument() {
return $this->argument;
}
/**
* The actual function that is called to run the job
*
* @param $argument
* @return mixed
*
* @since 15.0.0
*/
abstract protected function run($argument);
}