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<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OCP\BackgroundJob;
use OCP\AppFramework\Utility\ITimeFactory;
use OCP\ILogger;
use Psr\Log\LoggerInterface;
/**
* 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, IParallelAwareJob {
protected int $id = 0;
protected int $lastRun = 0;
protected $argument;
protected ITimeFactory $time;
protected bool $allowParallelRuns = true;
/**
* @since 15.0.0
*/
public function __construct(ITimeFactory $time) {
$this->time = $time;
}
/**
* The function to prepare the execution of the job.
*
* @return void
*
* @since 15.0.0
* @deprecated since 25.0.0 Use start() instead. This method will be removed
* with the ILogger interface
*/
public function execute(IJobList $jobList, ?ILogger $logger = null) {
$this->start($jobList);
}
/**
* @inheritdoc
* @since 25.0.0
*/
public function start(IJobList $jobList): void {
$jobList->setLastRun($this);
$logger = \OCP\Server::get(LoggerInterface::class);
try {
$jobDetails = get_class($this) . ' (id: ' . $this->getId() . ', arguments: ' . json_encode($this->getArgument()) . ')';
$jobStartTime = $this->time->getTime();
$logger->debug('Starting job ' . $jobDetails, ['app' => 'cron']);
$this->run($this->argument);
$timeTaken = $this->time->getTime() - $jobStartTime;
$logger->debug('Finished job ' . $jobDetails . ' in ' . $timeTaken . ' seconds', ['app' => 'cron']);
$jobList->setExecutionTime($this, $timeTaken);
} catch (\Throwable $e) {
if ($logger) {
$logger->error('Error while running background job ' . $jobDetails, [
'app' => 'core',
'exception' => $e,
]);
}
}
}
/**
* @since 15.0.0
*/
final public function setId(int $id) {
$this->id = $id;
}
/**
* @since 15.0.0
*/
final public function setLastRun(int $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;
}
/**
* Set this to false to prevent two Jobs from this class from running in parallel
*
* @param bool $allow
* @return void
* @since 27.0.0
*/
public function setAllowParallelRuns(bool $allow): void {
$this->allowParallelRuns = $allow;
}
/**
* @return bool
* @since 27.0.0
*/
public function getAllowParallelRuns(): bool {
return $this->allowParallelRuns;
}
/**
* The actual function that is called to run the job
*
* @param $argument
* @return void
*
* @since 15.0.0
*/
abstract protected function run($argument);
}
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