includes/job/jobs/DuplicateJob.php

   1 <?php
   2 /**
   3  * No-op job that does nothing.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup Cache
  22  */
  23
  24 /**
  25  * No-op job that does nothing. Used to represent duplicates.
  26  *
  27  * @ingroup JobQueue
  28  */
  29 final class DuplicateJob extends Job {
  30         /**
  31          * Callers should use DuplicateJob::newFromJob() instead
  32          *
  33          * @param $title Title
  34          * @param $params Array: job parameters
  35          * @param $id Integer: job id
  36          */
  37         function __construct( $title, $params, $id = 0 ) {
  38                 parent::__construct( 'duplicate', $title, $params, $id );
  39         }
  40
  41         /**
  42          * Get a duplicate no-op version of a job
  43          *
  44          * @param Job $job
  45          * @return Job
  46          */
  47         public static function newFromJob( Job $job ) {
  48                 $djob = new self( $job->getTitle(), $job->getParams(), $job->getId() );
  49                 $djob->command  = $job->getType();
  50                 $djob->params   = is_array( $djob->params ) ? $djob->params : array();
  51                 $djob->params   = array( 'isDuplicate' => true ) + $djob->params;
  52                 $djob->metadata = $job->metadata;
  53                 return $djob;
  54         }
  55
  56         public function run() {
  57                 return true;
  58         }
  59 }