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Diffstat (limited to 'www/wiki/includes/jobqueue/jobs/EnqueueJob.php')
-rw-r--r-- | www/wiki/includes/jobqueue/jobs/EnqueueJob.php | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/www/wiki/includes/jobqueue/jobs/EnqueueJob.php b/www/wiki/includes/jobqueue/jobs/EnqueueJob.php new file mode 100644 index 00000000..ea7a8d78 --- /dev/null +++ b/www/wiki/includes/jobqueue/jobs/EnqueueJob.php @@ -0,0 +1,98 @@ +<?php +/** + * Router job that takes jobs and enqueues them. + * + * 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 JobQueue + */ + +/** + * Router job that takes jobs and enqueues them to their proper queues + * + * This can be used for getting sets of multiple jobs or sets of jobs intended for multiple + * queues to be inserted more robustly. This is a single job that, upon running, enqueues the + * wrapped jobs. If some of those fail to enqueue then the EnqueueJob will be retried. Due to + * the possibility of duplicate enqueues, the wrapped jobs should be idempotent. + * + * @ingroup JobQueue + * @since 1.25 + */ +final class EnqueueJob extends Job { + /** + * Callers should use the factory methods instead + * + * @param Title $title + * @param array $params Job parameters + */ + function __construct( Title $title, array $params ) { + parent::__construct( 'enqueue', $title, $params ); + } + + /** + * @param JobSpecification|JobSpecification[] $jobs + * @return EnqueueJob + */ + public static function newFromLocalJobs( $jobs ) { + $jobs = is_array( $jobs ) ? $jobs : [ $jobs ]; + + return self::newFromJobsByWiki( [ wfWikiID() => $jobs ] ); + } + + /** + * @param array $jobsByWiki Map of (wiki => JobSpecification list) + * @return EnqueueJob + */ + public static function newFromJobsByWiki( array $jobsByWiki ) { + $deduplicate = true; + + $jobMapsByWiki = []; + foreach ( $jobsByWiki as $wiki => $jobs ) { + $jobMapsByWiki[$wiki] = []; + foreach ( $jobs as $job ) { + if ( $job instanceof JobSpecification ) { + $jobMapsByWiki[$wiki][] = $job->toSerializableArray(); + } else { + throw new InvalidArgumentException( "Jobs must be of type JobSpecification." ); + } + $deduplicate = $deduplicate && $job->ignoreDuplicates(); + } + } + + $eJob = new self( + Title::makeTitle( NS_SPECIAL, 'Badtitle/' . __CLASS__ ), + [ 'jobsByWiki' => $jobMapsByWiki ] + ); + // If *all* jobs to be pushed are to be de-duplicated (a common case), then + // de-duplicate this whole job itself to avoid build up in high traffic cases + $eJob->removeDuplicates = $deduplicate; + + return $eJob; + } + + public function run() { + foreach ( $this->params['jobsByWiki'] as $wiki => $jobMaps ) { + $jobSpecs = []; + foreach ( $jobMaps as $jobMap ) { + $jobSpecs[] = JobSpecification::newFromArray( $jobMap ); + } + JobQueueGroup::singleton( $wiki )->push( $jobSpecs ); + } + + return true; + } +} |