includes/filebackend/lockmanager/LockManagerGroupFactory.php

   1 <?php
   2
   3 namespace MediaWiki\FileBackend\LockManager;
   4
   5 use LockManagerGroup;
   6
   7 /**
   8  * Service to construct LockManagerGroups.
   9  */
  10 class LockManagerGroupFactory {
  11         /** @var string */
  12         private $defaultDomain;
  13
  14         /** @var array */
  15         private $lockManagerConfigs;
  16
  17         /** @var LockManagerGroup[] (domain => LockManagerGroup) */
  18         private $instances = [];
  19
  20         /**
  21          * Do not call directly, use MediaWikiServices.
  22          *
  23          * @param string $defaultDomain
  24          * @param array $lockManagerConfigs In format of $wgLockManagers
  25          */
  26         public function __construct( $defaultDomain, array $lockManagerConfigs ) {
  27                 $this->defaultDomain = $defaultDomain;
  28                 $this->lockManagerConfigs = $lockManagerConfigs;
  29         }
  30
  31         /**
  32          * @param string|null|false $domain Domain (usually wiki ID). false for the default (normally
  33          *   the current wiki's domain).
  34          * @return LockManagerGroup
  35          */
  36         public function getLockManagerGroup( $domain = false ): LockManagerGroup {
  37                 if ( $domain === false || $domain === null ) {
  38                         $domain = $this->defaultDomain;
  39                 }
  40
  41                 if ( !isset( $this->instances[$domain] ) ) {
  42                         $this->instances[$domain] =
  43                                 new LockManagerGroup( $domain, $this->lockManagerConfigs );
  44                 }
  45
  46                 return $this->instances[$domain];
  47         }
  48 }