includes/MediaWikiServices.php

   1 <?php
   2 namespace MediaWiki;
   3
   4 use ActorMigration;
   5 use CommentStore;
   6 use Config;
   7 use ConfigFactory;
   8 use CryptHKDF;
   9 use CryptRand;
  10 use EventRelayerGroup;
  11 use GenderCache;
  12 use GlobalVarConfig;
  13 use Hooks;
  14 use IBufferingStatsdDataFactory;
  15 use MediaWiki\Http\HttpRequestFactory;
  16 use MediaWiki\Preferences\PreferencesFactory;
  17 use MediaWiki\Shell\CommandFactory;
  18 use MediaWiki\Storage\BlobStore;
  19 use MediaWiki\Storage\BlobStoreFactory;
  20 use MediaWiki\Storage\NameTableStore;
  21 use MediaWiki\Storage\RevisionFactory;
  22 use MediaWiki\Storage\RevisionLookup;
  23 use MediaWiki\Storage\RevisionStore;
  24 use OldRevisionImporter;
  25 use UploadRevisionImporter;
  26 use Wikimedia\Rdbms\LBFactory;
  27 use LinkCache;
  28 use Wikimedia\Rdbms\LoadBalancer;
  29 use MediaHandlerFactory;
  30 use MediaWiki\Linker\LinkRenderer;
  31 use MediaWiki\Linker\LinkRendererFactory;
  32 use MediaWiki\Services\SalvageableService;
  33 use MediaWiki\Services\ServiceContainer;
  34 use MediaWiki\Services\NoSuchServiceException;
  35 use MWException;
  36 use MimeAnalyzer;
  37 use ObjectCache;
  38 use Parser;
  39 use ParserCache;
  40 use ProxyLookup;
  41 use SearchEngine;
  42 use SearchEngineConfig;
  43 use SearchEngineFactory;
  44 use SiteLookup;
  45 use SiteStore;
  46 use WatchedItemStoreInterface;
  47 use WatchedItemQueryService;
  48 use SkinFactory;
  49 use TitleFormatter;
  50 use TitleParser;
  51 use VirtualRESTServiceClient;
  52 use MediaWiki\Interwiki\InterwikiLookup;
  53
  54 /**
  55  * Service locator for MediaWiki core services.
  56  *
  57  * This program is free software; you can redistribute it and/or modify
  58  * it under the terms of the GNU General Public License as published by
  59  * the Free Software Foundation; either version 2 of the License, or
  60  * (at your option) any later version.
  61  *
  62  * This program is distributed in the hope that it will be useful,
  63  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  64  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  65  * GNU General Public License for more details.
  66  *
  67  * You should have received a copy of the GNU General Public License along
  68  * with this program; if not, write to the Free Software Foundation, Inc.,
  69  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  70  * http://www.gnu.org/copyleft/gpl.html
  71  *
  72  * @file
  73  *
  74  * @since 1.27
  75  */
  76
  77 /**
  78  * MediaWikiServices is the service locator for the application scope of MediaWiki.
  79  * Its implemented as a simple configurable DI container.
  80  * MediaWikiServices acts as a top level factory/registry for top level services, and builds
  81  * the network of service objects that defines MediaWiki's application logic.
  82  * It acts as an entry point to MediaWiki's dependency injection mechanism.
  83  *
  84  * Services are defined in the "wiring" array passed to the constructor,
  85  * or by calling defineService().
  86  *
  87  * @see docs/injection.txt for an overview of using dependency injection in the
  88  *      MediaWiki code base.
  89  */
  90 class MediaWikiServices extends ServiceContainer {
  91
  92         /**
  93          * @var MediaWikiServices|null
  94          */
  95         private static $instance = null;
  96
  97         /**
  98          * Returns the global default instance of the top level service locator.
  99          *
 100          * @since 1.27
 101          *
 102          * The default instance is initialized using the service instantiator functions
 103          * defined in ServiceWiring.php.
 104          *
 105          * @note This should only be called by static functions! The instance returned here
 106          * should not be passed around! Objects that need access to a service should have
 107          * that service injected into the constructor, never a service locator!
 108          *
 109          * @return MediaWikiServices
 110          */
 111         public static function getInstance() {
 112                 if ( self::$instance === null ) {
 113                         // NOTE: constructing GlobalVarConfig here is not particularly pretty,
 114                         // but some information from the global scope has to be injected here,
 115                         // even if it's just a file name or database credentials to load
 116                         // configuration from.
 117                         $bootstrapConfig = new GlobalVarConfig();
 118                         self::$instance = self::newInstance( $bootstrapConfig, 'load' );
 119                 }
 120
 121                 return self::$instance;
 122         }
 123
 124         /**
 125          * Replaces the global MediaWikiServices instance.
 126          *
 127          * @since 1.28
 128          *
 129          * @note This is for use in PHPUnit tests only!
 130          *
 131          * @throws MWException if called outside of PHPUnit tests.
 132          *
 133          * @param MediaWikiServices $services The new MediaWikiServices object.
 134          *
 135          * @return MediaWikiServices The old MediaWikiServices object, so it can be restored later.
 136          */
 137         public static function forceGlobalInstance( MediaWikiServices $services ) {
 138                 if ( !defined( 'MW_PHPUNIT_TEST' ) ) {
 139                         throw new MWException( __METHOD__ . ' must not be used outside unit tests.' );
 140                 }
 141
 142                 $old = self::getInstance();
 143                 self::$instance = $services;
 144
 145                 return $old;
 146         }
 147
 148         /**
 149          * Creates a new instance of MediaWikiServices and sets it as the global default
 150          * instance. getInstance() will return a different MediaWikiServices object
 151          * after every call to resetGlobalInstance().
 152          *
 153          * @since 1.28
 154          *
 155          * @warning This should not be used during normal operation. It is intended for use
 156          * when the configuration has changed significantly since bootstrap time, e.g.
 157          * during the installation process or during testing.
 158          *
 159          * @warning Calling resetGlobalInstance() may leave the application in an inconsistent
 160          * state. Calling this is only safe under the ASSUMPTION that NO REFERENCE to
 161          * any of the services managed by MediaWikiServices exist. If any service objects
 162          * managed by the old MediaWikiServices instance remain in use, they may INTERFERE
 163          * with the operation of the services managed by the new MediaWikiServices.
 164          * Operating with a mix of services created by the old and the new
 165          * MediaWikiServices instance may lead to INCONSISTENCIES and even DATA LOSS!
 166          * Any class implementing LAZY LOADING is especially prone to this problem,
 167          * since instances would typically retain a reference to a storage layer service.
 168          *
 169          * @see forceGlobalInstance()
 170          * @see resetGlobalInstance()
 171          * @see resetBetweenTest()
 172          *
 173          * @param Config|null $bootstrapConfig The Config object to be registered as the
 174          *        'BootstrapConfig' service. This has to contain at least the information
 175          *        needed to set up the 'ConfigFactory' service. If not given, the bootstrap
 176          *        config of the old instance of MediaWikiServices will be re-used. If there
 177          *        was no previous instance, a new GlobalVarConfig object will be used to
 178          *        bootstrap the services.
 179          *
 180          * @param string $quick Set this to "quick" to allow expensive resources to be re-used.
 181          * See SalvageableService for details.
 182          *
 183          * @throws MWException If called after MW_SERVICE_BOOTSTRAP_COMPLETE has been defined in
 184          *         Setup.php (unless MW_PHPUNIT_TEST or MEDIAWIKI_INSTALL or RUN_MAINTENANCE_IF_MAIN
 185          *          is defined).
 186          */
 187         public static function resetGlobalInstance( Config $bootstrapConfig = null, $quick = '' ) {
 188                 if ( self::$instance === null ) {
 189                         // no global instance yet, nothing to reset
 190                         return;
 191                 }
 192
 193                 self::failIfResetNotAllowed( __METHOD__ );
 194
 195                 if ( $bootstrapConfig === null ) {
 196                         $bootstrapConfig = self::$instance->getBootstrapConfig();
 197                 }
 198
 199                 $oldInstance = self::$instance;
 200
 201                 self::$instance = self::newInstance( $bootstrapConfig, 'load' );
 202                 self::$instance->importWiring( $oldInstance, [ 'BootstrapConfig' ] );
 203
 204                 if ( $quick === 'quick' ) {
 205                         self::$instance->salvage( $oldInstance );
 206                 } else {
 207                         $oldInstance->destroy();
 208                 }
 209         }
 210
 211         /**
 212          * Salvages the state of any salvageable service instances in $other.
 213          *
 214          * @note $other will have been destroyed when salvage() returns.
 215          *
 216          * @param MediaWikiServices $other
 217          */
 218         private function salvage( self $other ) {
 219                 foreach ( $this->getServiceNames() as $name ) {
 220                         // The service could be new in the new instance and not registered in the
 221                         // other instance (e.g. an extension that was loaded after the instantiation of
 222                         // the other instance. Skip this service in this case. See T143974
 223                         try {
 224                                 $oldService = $other->peekService( $name );
 225                         } catch ( NoSuchServiceException $e ) {
 226                                 continue;
 227                         }
 228
 229                         if ( $oldService instanceof SalvageableService ) {
 230                                 /** @var SalvageableService $newService */
 231                                 $newService = $this->getService( $name );
 232                                 $newService->salvage( $oldService );
 233                         }
 234                 }
 235
 236                 $other->destroy();
 237         }
 238
 239         /**
 240          * Creates a new MediaWikiServices instance and initializes it according to the
 241          * given $bootstrapConfig. In particular, all wiring files defined in the
 242          * ServiceWiringFiles setting are loaded, and the MediaWikiServices hook is called.
 243          *
 244          * @param Config|null $bootstrapConfig The Config object to be registered as the
 245          *        'BootstrapConfig' service.
 246          *
 247          * @param string $loadWiring set this to 'load' to load the wiring files specified
 248          *        in the 'ServiceWiringFiles' setting in $bootstrapConfig.
 249          *
 250          * @return MediaWikiServices
 251          * @throws MWException
 252          * @throws \FatalError
 253          */
 254         private static function newInstance( Config $bootstrapConfig, $loadWiring = '' ) {
 255                 $instance = new self( $bootstrapConfig );
 256
 257                 // Load the default wiring from the specified files.
 258                 if ( $loadWiring === 'load' ) {
 259                         $wiringFiles = $bootstrapConfig->get( 'ServiceWiringFiles' );
 260                         $instance->loadWiringFiles( $wiringFiles );
 261                 }
 262
 263                 // Provide a traditional hook point to allow extensions to configure services.
 264                 Hooks::run( 'MediaWikiServices', [ $instance ] );
 265
 266                 return $instance;
 267         }
 268
 269         /**
 270          * Disables all storage layer services. After calling this, any attempt to access the
 271          * storage layer will result in an error. Use resetGlobalInstance() to restore normal
 272          * operation.
 273          *
 274          * @since 1.28
 275          *
 276          * @warning This is intended for extreme situations only and should never be used
 277          * while serving normal web requests. Legitimate use cases for this method include
 278          * the installation process. Test fixtures may also use this, if the fixture relies
 279          * on globalState.
 280          *
 281          * @see resetGlobalInstance()
 282          * @see resetChildProcessServices()
 283          */
 284         public static function disableStorageBackend() {
 285                 // TODO: also disable some Caches, JobQueues, etc
 286                 $destroy = [ 'DBLoadBalancer', 'DBLoadBalancerFactory' ];
 287                 $services = self::getInstance();
 288
 289                 foreach ( $destroy as $name ) {
 290                         $services->disableService( $name );
 291                 }
 292
 293                 ObjectCache::clear();
 294         }
 295
 296         /**
 297          * Resets any services that may have become stale after a child process
 298          * returns from after pcntl_fork(). It's also safe, but generally unnecessary,
 299          * to call this method from the parent process.
 300          *
 301          * @since 1.28
 302          *
 303          * @note This is intended for use in the context of process forking only!
 304          *
 305          * @see resetGlobalInstance()
 306          * @see disableStorageBackend()
 307          */
 308         public static function resetChildProcessServices() {
 309                 // NOTE: for now, just reset everything. Since we don't know the interdependencies
 310                 // between services, we can't do this more selectively at this time.
 311                 self::resetGlobalInstance();
 312
 313                 // Child, reseed because there is no bug in PHP:
 314                 // https://bugs.php.net/bug.php?id=42465
 315                 mt_srand( getmypid() );
 316         }
 317
 318         /**
 319          * Resets the given service for testing purposes.
 320          *
 321          * @since 1.28
 322          *
 323          * @warning This is generally unsafe! Other services may still retain references
 324          * to the stale service instance, leading to failures and inconsistencies. Subclasses
 325          * may use this method to reset specific services under specific instances, but
 326          * it should not be exposed to application logic.
 327          *
 328          * @note With proper dependency injection used throughout the codebase, this method
 329          * should not be needed. It is provided to allow tests that pollute global service
 330          * instances to clean up.
 331          *
 332          * @param string $name
 333          * @param bool $destroy Whether the service instance should be destroyed if it exists.
 334          *        When set to false, any existing service instance will effectively be detached
 335          *        from the container.
 336          *
 337          * @throws MWException if called outside of PHPUnit tests.
 338          */
 339         public function resetServiceForTesting( $name, $destroy = true ) {
 340                 if ( !defined( 'MW_PHPUNIT_TEST' ) && !defined( 'MW_PARSER_TEST' ) ) {
 341                         throw new MWException( 'resetServiceForTesting() must not be used outside unit tests.' );
 342                 }
 343
 344                 $this->resetService( $name, $destroy );
 345         }
 346
 347         /**
 348          * Convenience method that throws an exception unless it is called during a phase in which
 349          * resetting of global services is allowed. In general, services should not be reset
 350          * individually, since that may introduce inconsistencies.
 351          *
 352          * @since 1.28
 353          *
 354          * This method will throw an exception if:
 355          *
 356          * - self::$resetInProgress is false (to allow all services to be reset together
 357          *   via resetGlobalInstance)
 358          * - and MEDIAWIKI_INSTALL is not defined (to allow services to be reset during installation)
 359          * - and MW_PHPUNIT_TEST is not defined (to allow services to be reset during testing)
 360          *
 361          * This method is intended to be used to safeguard against accidentally resetting
 362          * global service instances that are not yet managed by MediaWikiServices. It is
 363          * defined here in the MediaWikiServices services class to have a central place
 364          * for managing service bootstrapping and resetting.
 365          *
 366          * @param string $method the name of the caller method, as given by __METHOD__.
 367          *
 368          * @throws MWException if called outside bootstrap mode.
 369          *
 370          * @see resetGlobalInstance()
 371          * @see forceGlobalInstance()
 372          * @see disableStorageBackend()
 373          */
 374         public static function failIfResetNotAllowed( $method ) {
 375                 if ( !defined( 'MW_PHPUNIT_TEST' )
 376                         && !defined( 'MW_PARSER_TEST' )
 377                         && !defined( 'MEDIAWIKI_INSTALL' )
 378                         && !defined( 'RUN_MAINTENANCE_IF_MAIN' )
 379                         && defined( 'MW_SERVICE_BOOTSTRAP_COMPLETE' )
 380                 ) {
 381                         throw new MWException( $method . ' may only be called during bootstrapping and unit tests!' );
 382                 }
 383         }
 384
 385         /**
 386          * @param Config $config The Config object to be registered as the 'BootstrapConfig' service.
 387          *        This has to contain at least the information needed to set up the 'ConfigFactory'
 388          *        service.
 389          */
 390         public function __construct( Config $config ) {
 391                 parent::__construct();
 392
 393                 // Register the given Config object as the bootstrap config service.
 394                 $this->defineService( 'BootstrapConfig', function () use ( $config ) {
 395                         return $config;
 396                 } );
 397         }
 398
 399         // CONVENIENCE GETTERS ////////////////////////////////////////////////////
 400
 401         /**
 402          * Returns the Config object containing the bootstrap configuration.
 403          * Bootstrap configuration would typically include database credentials
 404          * and other information that may be needed before the ConfigFactory
 405          * service can be instantiated.
 406          *
 407          * @note This should only be used during bootstrapping, in particular
 408          * when creating the MainConfig service. Application logic should
 409          * use getMainConfig() to get a Config instances.
 410          *
 411          * @since 1.27
 412          * @return Config
 413          */
 414         public function getBootstrapConfig() {
 415                 return $this->getService( 'BootstrapConfig' );
 416         }
 417
 418         /**
 419          * @since 1.27
 420          * @return ConfigFactory
 421          */
 422         public function getConfigFactory() {
 423                 return $this->getService( 'ConfigFactory' );
 424         }
 425
 426         /**
 427          * Returns the Config object that provides configuration for MediaWiki core.
 428          * This may or may not be the same object that is returned by getBootstrapConfig().
 429          *
 430          * @since 1.27
 431          * @return Config
 432          */
 433         public function getMainConfig() {
 434                 return $this->getService( 'MainConfig' );
 435         }
 436
 437         /**
 438          * @since 1.27
 439          * @return SiteLookup
 440          */
 441         public function getSiteLookup() {
 442                 return $this->getService( 'SiteLookup' );
 443         }
 444
 445         /**
 446          * @since 1.27
 447          * @return SiteStore
 448          */
 449         public function getSiteStore() {
 450                 return $this->getService( 'SiteStore' );
 451         }
 452
 453         /**
 454          * @since 1.28
 455          * @return InterwikiLookup
 456          */
 457         public function getInterwikiLookup() {
 458                 return $this->getService( 'InterwikiLookup' );
 459         }
 460
 461         /**
 462          * @since 1.27
 463          * @return IBufferingStatsdDataFactory
 464          */
 465         public function getStatsdDataFactory() {
 466                 return $this->getService( 'StatsdDataFactory' );
 467         }
 468
 469         /**
 470          * @since 1.32
 471          * @return IBufferingStatsdDataFactory
 472          */
 473         public function getPerDbNameStatsdDataFactory() {
 474                 return $this->getService( 'PerDbNameStatsdDataFactory' );
 475         }
 476
 477         /**
 478          * @since 1.27
 479          * @return EventRelayerGroup
 480          */
 481         public function getEventRelayerGroup() {
 482                 return $this->getService( 'EventRelayerGroup' );
 483         }
 484
 485         /**
 486          * @since 1.27
 487          * @return SearchEngine
 488          */
 489         public function newSearchEngine() {
 490                 // New engine object every time, since they keep state
 491                 return $this->getService( 'SearchEngineFactory' )->create();
 492         }
 493
 494         /**
 495          * @since 1.27
 496          * @return SearchEngineFactory
 497          */
 498         public function getSearchEngineFactory() {
 499                 return $this->getService( 'SearchEngineFactory' );
 500         }
 501
 502         /**
 503          * @since 1.27
 504          * @return SearchEngineConfig
 505          */
 506         public function getSearchEngineConfig() {
 507                 return $this->getService( 'SearchEngineConfig' );
 508         }
 509
 510         /**
 511          * @since 1.27
 512          * @return SkinFactory
 513          */
 514         public function getSkinFactory() {
 515                 return $this->getService( 'SkinFactory' );
 516         }
 517
 518         /**
 519          * @since 1.28
 520          * @return LBFactory
 521          */
 522         public function getDBLoadBalancerFactory() {
 523                 return $this->getService( 'DBLoadBalancerFactory' );
 524         }
 525
 526         /**
 527          * @since 1.28
 528          * @return LoadBalancer The main DB load balancer for the local wiki.
 529          */
 530         public function getDBLoadBalancer() {
 531                 return $this->getService( 'DBLoadBalancer' );
 532         }
 533
 534         /**
 535          * @since 1.28
 536          * @return WatchedItemStoreInterface
 537          */
 538         public function getWatchedItemStore() {
 539                 return $this->getService( 'WatchedItemStore' );
 540         }
 541
 542         /**
 543          * @since 1.28
 544          * @return WatchedItemQueryService
 545          */
 546         public function getWatchedItemQueryService() {
 547                 return $this->getService( 'WatchedItemQueryService' );
 548         }
 549
 550         /**
 551          * @since 1.28
 552          * @deprecated since 1.32, use random_bytes()/random_int()
 553          * @return CryptRand
 554          */
 555         public function getCryptRand() {
 556                 return $this->getService( 'CryptRand' );
 557         }
 558
 559         /**
 560          * @since 1.28
 561          * @return CryptHKDF
 562          */
 563         public function getCryptHKDF() {
 564                 return $this->getService( 'CryptHKDF' );
 565         }
 566
 567         /**
 568          * @since 1.28
 569          * @return MediaHandlerFactory
 570          */
 571         public function getMediaHandlerFactory() {
 572                 return $this->getService( 'MediaHandlerFactory' );
 573         }
 574
 575         /**
 576          * @since 1.28
 577          * @return MimeAnalyzer
 578          */
 579         public function getMimeAnalyzer() {
 580                 return $this->getService( 'MimeAnalyzer' );
 581         }
 582
 583         /**
 584          * @since 1.28
 585          * @return ProxyLookup
 586          */
 587         public function getProxyLookup() {
 588                 return $this->getService( 'ProxyLookup' );
 589         }
 590
 591         /**
 592          * @since 1.29
 593          * @return Parser
 594          */
 595         public function getParser() {
 596                 return $this->getService( 'Parser' );
 597         }
 598
 599         /**
 600          * @since 1.30
 601          * @return ParserCache
 602          */
 603         public function getParserCache() {
 604                 return $this->getService( 'ParserCache' );
 605         }
 606
 607         /**
 608          * @since 1.28
 609          * @return GenderCache
 610          */
 611         public function getGenderCache() {
 612                 return $this->getService( 'GenderCache' );
 613         }
 614
 615         /**
 616          * @since 1.28
 617          * @return LinkCache
 618          */
 619         public function getLinkCache() {
 620                 return $this->getService( 'LinkCache' );
 621         }
 622
 623         /**
 624          * @since 1.28
 625          * @return LinkRendererFactory
 626          */
 627         public function getLinkRendererFactory() {
 628                 return $this->getService( 'LinkRendererFactory' );
 629         }
 630
 631         /**
 632          * LinkRenderer instance that can be used
 633          * if no custom options are needed
 634          *
 635          * @since 1.28
 636          * @return LinkRenderer
 637          */
 638         public function getLinkRenderer() {
 639                 return $this->getService( 'LinkRenderer' );
 640         }
 641
 642         /**
 643          * @since 1.28
 644          * @return TitleFormatter
 645          */
 646         public function getTitleFormatter() {
 647                 return $this->getService( 'TitleFormatter' );
 648         }
 649
 650         /**
 651          * @since 1.28
 652          * @return TitleParser
 653          */
 654         public function getTitleParser() {
 655                 return $this->getService( 'TitleParser' );
 656         }
 657
 658         /**
 659          * @since 1.28
 660          * @return \BagOStuff
 661          */
 662         public function getMainObjectStash() {
 663                 return $this->getService( 'MainObjectStash' );
 664         }
 665
 666         /**
 667          * @since 1.28
 668          * @return \WANObjectCache
 669          */
 670         public function getMainWANObjectCache() {
 671                 return $this->getService( 'MainWANObjectCache' );
 672         }
 673
 674         /**
 675          * @since 1.28
 676          * @return \BagOStuff
 677          */
 678         public function getLocalServerObjectCache() {
 679                 return $this->getService( 'LocalServerObjectCache' );
 680         }
 681
 682         /**
 683          * @since 1.28
 684          * @return VirtualRESTServiceClient
 685          */
 686         public function getVirtualRESTServiceClient() {
 687                 return $this->getService( 'VirtualRESTServiceClient' );
 688         }
 689
 690         /**
 691          * @since 1.29
 692          * @return \ConfiguredReadOnlyMode
 693          */
 694         public function getConfiguredReadOnlyMode() {
 695                 return $this->getService( 'ConfiguredReadOnlyMode' );
 696         }
 697
 698         /**
 699          * @since 1.29
 700          * @return \ReadOnlyMode
 701          */
 702         public function getReadOnlyMode() {
 703                 return $this->getService( 'ReadOnlyMode' );
 704         }
 705
 706         /**
 707          * @since 1.31
 708          * @return \UploadRevisionImporter
 709          */
 710         public function getWikiRevisionUploadImporter() {
 711                 return $this->getService( 'UploadRevisionImporter' );
 712         }
 713
 714         /**
 715          * @since 1.31
 716          * @return \OldRevisionImporter
 717          */
 718         public function getWikiRevisionOldRevisionImporter() {
 719                 return $this->getService( 'OldRevisionImporter' );
 720         }
 721
 722         /**
 723          * @since 1.31
 724          * @return \OldRevisionImporter
 725          */
 726         public function getWikiRevisionOldRevisionImporterNoUpdates() {
 727                 return $this->getService( 'WikiRevisionOldRevisionImporterNoUpdates' );
 728         }
 729
 730         /**
 731          * @since 1.30
 732          * @return CommandFactory
 733          */
 734         public function getShellCommandFactory() {
 735                 return $this->getService( 'ShellCommandFactory' );
 736         }
 737
 738         /**
 739          * @since 1.31
 740          * @return \ExternalStoreFactory
 741          */
 742         public function getExternalStoreFactory() {
 743                 return $this->getService( 'ExternalStoreFactory' );
 744         }
 745
 746         /**
 747          * @since 1.31
 748          * @return BlobStoreFactory
 749          */
 750         public function getBlobStoreFactory() {
 751                 return $this->getService( 'BlobStoreFactory' );
 752         }
 753
 754         /**
 755          * @since 1.31
 756          * @return BlobStore
 757          */
 758         public function getBlobStore() {
 759                 return $this->getService( '_SqlBlobStore' );
 760         }
 761
 762         /**
 763          * @since 1.31
 764          * @return RevisionStore
 765          */
 766         public function getRevisionStore() {
 767                 return $this->getService( 'RevisionStore' );
 768         }
 769
 770         /**
 771          * @since 1.31
 772          * @return RevisionLookup
 773          */
 774         public function getRevisionLookup() {
 775                 return $this->getService( 'RevisionLookup' );
 776         }
 777
 778         /**
 779          * @since 1.31
 780          * @return RevisionFactory
 781          */
 782         public function getRevisionFactory() {
 783                 return $this->getService( 'RevisionFactory' );
 784         }
 785
 786         /**
 787          * @since 1.31
 788          * @return NameTableStore
 789          */
 790         public function getContentModelStore() {
 791                 return $this->getService( 'ContentModelStore' );
 792         }
 793
 794         /**
 795          * @since 1.31
 796          * @return NameTableStore
 797          */
 798         public function getSlotRoleStore() {
 799                 return $this->getService( 'SlotRoleStore' );
 800         }
 801
 802         /**
 803          * @since 1.32
 804          * @return NameTableStore
 805          */
 806         public function getChangeTagDefStore() {
 807                 return $this->getService( 'ChangeTagDefStore' );
 808         }
 809
 810         /**
 811          * @since 1.31
 812          * @return PreferencesFactory
 813          */
 814         public function getPreferencesFactory() {
 815                 return $this->getService( 'PreferencesFactory' );
 816         }
 817
 818         /**
 819          * @since 1.31
 820          * @return HttpRequestFactory
 821          */
 822         public function getHttpRequestFactory() {
 823                 return $this->getService( 'HttpRequestFactory' );
 824         }
 825
 826         /**
 827          * @since 1.31
 828          * @return CommentStore
 829          */
 830         public function getCommentStore() {
 831                 return $this->getService( 'CommentStore' );
 832         }
 833
 834         /**
 835          * @since 1.31
 836          * @return ActorMigration
 837          */
 838         public function getActorMigration() {
 839                 return $this->getService( 'ActorMigration' );
 840         }
 841
 842         /**
 843          * @since 1.32
 844          * @return UploadRevisionImporter
 845          */
 846         public function getUploadRevisionImporter() {
 847                 return $this->getService( 'UploadRevisionImporter' );
 848         }
 849
 850         /**
 851          * @since 1.32
 852          * @return OldRevisionImporter
 853          */
 854         public function getOldRevisionImporter() {
 855                 return $this->getService( 'OldRevisionImporter' );
 856         }
 857
 858         ///////////////////////////////////////////////////////////////////////////
 859         // NOTE: When adding a service getter here, don't forget to add a test
 860         // case for it in MediaWikiServicesTest::provideGetters() and in
 861         // MediaWikiServicesTest::provideGetService()!
 862         ///////////////////////////////////////////////////////////////////////////
 863
 864 }