98 lines
3 KiB
PHP
98 lines
3 KiB
PHP
<?php
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/**
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* Router job that takes jobs and enqueues them.
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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 General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @ingroup JobQueue
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*/
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/**
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* Router job that takes jobs and enqueues them to their proper queues
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*
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* This can be used for getting sets of multiple jobs or sets of jobs intended for multiple
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* queues to be inserted more robustly. This is a single job that, upon running, enqueues the
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* wrapped jobs. If some of those fail to enqueue then the EnqueueJob will be retried. Due to
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* the possibility of duplicate enqueues, the wrapped jobs should be idempotent.
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*
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* @ingroup JobQueue
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* @since 1.25
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*/
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final class EnqueueJob extends Job {
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/**
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* Callers should use the factory methods instead
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*
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* @param Title $title
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* @param array $params Job parameters
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*/
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function __construct( Title $title, array $params ) {
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parent::__construct( 'enqueue', $title, $params );
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}
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/**
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* @param JobSpecification|JobSpecification[] $jobs
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* @return EnqueueJob
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*/
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public static function newFromLocalJobs( $jobs ) {
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$jobs = is_array( $jobs ) ? $jobs : [ $jobs ];
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return self::newFromJobsByWiki( [ wfWikiID() => $jobs ] );
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}
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/**
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* @param array $jobsByWiki Map of (wiki => JobSpecification list)
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* @return EnqueueJob
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*/
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public static function newFromJobsByWiki( array $jobsByWiki ) {
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$deduplicate = true;
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$jobMapsByWiki = [];
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foreach ( $jobsByWiki as $wiki => $jobs ) {
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$jobMapsByWiki[$wiki] = [];
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foreach ( $jobs as $job ) {
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if ( $job instanceof JobSpecification ) {
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$jobMapsByWiki[$wiki][] = $job->toSerializableArray();
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} else {
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throw new InvalidArgumentException( "Jobs must be of type JobSpecification." );
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}
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$deduplicate = $deduplicate && $job->ignoreDuplicates();
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}
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}
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$eJob = new self(
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Title::makeTitle( NS_SPECIAL, 'Badtitle/' . __CLASS__ ),
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[ 'jobsByWiki' => $jobMapsByWiki ]
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);
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// If *all* jobs to be pushed are to be de-duplicated (a common case), then
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// de-duplicate this whole job itself to avoid build up in high traffic cases
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$eJob->removeDuplicates = $deduplicate;
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return $eJob;
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}
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public function run() {
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foreach ( $this->params['jobsByWiki'] as $wiki => $jobMaps ) {
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$jobSpecs = [];
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foreach ( $jobMaps as $jobMap ) {
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$jobSpecs[] = JobSpecification::newFromArray( $jobMap );
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}
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JobQueueGroup::singleton( $wiki )->push( $jobSpecs );
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}
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return true;
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}
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}
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