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   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 array $params Job parameters
  35       */
  36  	function __construct( $title, $params ) {
  37          parent::__construct( 'duplicate', $title, $params );
  38      }
  39  
  40      /**
  41       * Get a duplicate no-op version of a job
  42       *
  43       * @param Job $job
  44       * @return Job
  45       */
  46  	public static function newFromJob( Job $job ) {
  47          $djob = new self( $job->getTitle(), $job->getParams() );
  48          $djob->command = $job->getType();
  49          $djob->params = is_array( $djob->params ) ? $djob->params : array();
  50          $djob->params = array( 'isDuplicate' => true ) + $djob->params;
  51          $djob->metadata = $job->metadata;
  52  
  53          return $djob;
  54      }
  55  
  56  	public function run() {
  57          return true;
  58      }
  59  }