includes/libs/rdbms/loadmonitor/LoadMonitorNull.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  * @ingroup Database
  20  */
  21
  22 namespace Wikimedia\Rdbms;
  23
  24 use Psr\Log\LoggerInterface;
  25 use BagOStuff;
  26 use WANObjectCache;
  27
  28 class LoadMonitorNull implements ILoadMonitor {
  29         public function __construct(
  30                 ILoadBalancer $lb, BagOStuff $sCache, WANObjectCache $wCache, array $options = []
  31         ) {
  32         }
  33
  34         public function setLogger( LoggerInterface $logger ) {
  35         }
  36
  37         public function scaleLoads( array &$loads, $domain ) {
  38         }
  39
  40         public function getLagTimes( array $serverIndexes, $domain ) {
  41                 return array_fill_keys( $serverIndexes, 0 );
  42         }
  43
  44         public function clearCaches() {
  45         }
  46 }