includes/poolcounter/PoolCounterNull.php

   1 <?php
   2 /**
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation; either version 2 of the License, or
   6  * (at your option) any later version.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  16  * http://www.gnu.org/copyleft/gpl.html
  17  *
  18  * @file
  19  */
  20
  21 namespace MediaWiki\PoolCounter;
  22
  23 use MediaWiki\Status\Status;
  24
  25 /**
  26  * A default PoolCounter, which provides no locking.
  27  *
  28  * @internal
  29  * @since 1.33
  30  */
  31 class PoolCounterNull extends PoolCounter {
  32
  33         public function __construct() {
  34                 // No parameters needed
  35         }
  36
  37         public function acquireForMe( $timeout = null ) {
  38                 return Status::newGood( PoolCounter::LOCKED );
  39         }
  40
  41         public function acquireForAnyone( $timeout = null ) {
  42                 return Status::newGood( PoolCounter::LOCKED );
  43         }
  44
  45         public function release() {
  46                 return Status::newGood( PoolCounter::RELEASED );
  47         }
  48 }
  49
  50 /** @deprecated class alias since 1.42 */
  51 class_alias( PoolCounterNull::class, 'PoolCounterNull' );