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Diffstat (limited to 'includes/job/jobs/NullJob.php')
-rw-r--r-- | includes/job/jobs/NullJob.php | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/includes/job/jobs/NullJob.php b/includes/job/jobs/NullJob.php deleted file mode 100644 index b6164a5d..00000000 --- a/includes/job/jobs/NullJob.php +++ /dev/null @@ -1,76 +0,0 @@ -<?php -/** - * Degenerate job that does nothing. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * http://www.gnu.org/copyleft/gpl.html - * - * @file - * @ingroup Cache - */ - -/** - * Degenerate job that does nothing, but can optionally replace itself - * in the queue and/or sleep for a brief time period. These can be used - * to represent "no-op" jobs or test lock contention and performance. - * - * @par Example: - * Inserting a null job in the configured job queue: - * @code - * $ php maintenance/eval.php - * > $queue = JobQueueGroup::singleton(); - * > $job = new NullJob( Title::newMainPage(), array( 'lives' => 10 ) ); - * > $queue->push( $job ); - * @endcode - * You can then confirm the job has been enqueued by using the showJobs.php - * maintenance utility: - * @code - * $ php maintenance/showJobs.php --group - * null: 1 queue; 0 claimed (0 active, 0 abandoned) - * $ - * @endcode - * - * @ingroup JobQueue - */ -class NullJob extends Job { - /** - * @param $title Title (can be anything) - * @param array $params job parameters (lives, usleep) - * @param $id Integer: job id - */ - function __construct( $title, $params, $id = 0 ) { - parent::__construct( 'null', $title, $params, $id ); - if ( !isset( $this->params['lives'] ) ) { - $this->params['lives'] = 1; - } - if ( !isset( $this->params['usleep'] ) ) { - $this->params['usleep'] = 0; - } - $this->removeDuplicates = !empty( $this->params['removeDuplicates'] ); - } - - public function run() { - if ( $this->params['usleep'] > 0 ) { - usleep( $this->params['usleep'] ); - } - if ( $this->params['lives'] > 1 ) { - $params = $this->params; - $params['lives']--; - $job = new self( $this->title, $params ); - JobQueueGroup::singleton()->push( $job ); - } - return true; - } -} |