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 MediaWiki\Storage\RevisionStoreFactory;
  26 use UploadRevisionImporter;
  27 use Wikimedia\Rdbms\LBFactory;
  28 use LinkCache;
  29 use Wikimedia\Rdbms\LoadBalancer;
  30 use MediaHandlerFactory;
  31 use MediaWiki\Config\ConfigRepository;
  32 use MediaWiki\Linker\LinkRenderer;
  33 use MediaWiki\Linker\LinkRendererFactory;
  34 use MediaWiki\Services\SalvageableService;
  35 use MediaWiki\Services\ServiceContainer;
  36 use MediaWiki\Services\NoSuchServiceException;
  37 use MWException;
  38 use MimeAnalyzer;
  39 use ObjectCache;
  40 use Parser;
  41 use ParserCache;
  42 use ParserFactory;
  43 use PasswordFactory;
  44 use ProxyLookup;
  45 use SearchEngine;
  46 use SearchEngineConfig;
  47 use SearchEngineFactory;
  48 use SiteLookup;
  49 use SiteStore;
  50 use WatchedItemStoreInterface;
  51 use WatchedItemQueryService;
  52 use SkinFactory;
  53 use TitleFormatter;
  54 use TitleParser;
  55 use VirtualRESTServiceClient;
  56 use MediaWiki\Interwiki\InterwikiLookup;
  57 use MagicWordFactory;
  58
  59 /**
  60  * Service locator for MediaWiki core services.
  61  *
  62  * This program is free software; you can redistribute it and/or modify
  63  * it under the terms of the GNU General Public License as published by
  64  * the Free Software Foundation; either version 2 of the License, or
  65  * (at your option) any later version.
  66  *
  67  * This program is distributed in the hope that it will be useful,
  68  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  69  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  70  * GNU General Public License for more details.
  71  *
  72  * You should have received a copy of the GNU General Public License along
  73  * with this program; if not, write to the Free Software Foundation, Inc.,
  74  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  75  * http://www.gnu.org/copyleft/gpl.html
  76  *
  77  * @file
  78  *
  79  * @since 1.27
  80  */
  81
  82 /**
  83  * MediaWikiServices is the service locator for the application scope of MediaWiki.
  84  * Its implemented as a simple configurable DI container.
  85  * MediaWikiServices acts as a top level factory/registry for top level services, and builds
  86  * the network of service objects that defines MediaWiki's application logic.
  87  * It acts as an entry point to MediaWiki's dependency injection mechanism.
  88  *
  89  * Services are defined in the "wiring" array passed to the constructor,
  90  * or by calling defineService().
  91  *
  92  * @see docs/injection.txt for an overview of using dependency injection in the
  93  *      MediaWiki code base.
  94  */
  95 class MediaWikiServices extends ServiceContainer {
  96
  97         /**
  98          * @var MediaWikiServices|null
  99          */
 100         private static $instance = null;
 101
 102         /**
 103          * Returns the global default instance of the top level service locator.
 104          *
 105          * @since 1.27
 106          *
 107          * The default instance is initialized using the service instantiator functions
 108          * defined in ServiceWiring.php.
 109          *
 110          * @note This should only be called by static functions! The instance returned here
 111          * should not be passed around! Objects that need access to a service should have
 112          * that service injected into the constructor, never a service locator!
 113          *
 114          * @return MediaWikiServices
 115          */
 116         public static function getInstance() {
 117                 if ( self::$instance === null ) {
 118                         // NOTE: constructing GlobalVarConfig here is not particularly pretty,
 119                         // but some information from the global scope has to be injected here,
 120                         // even if it's just a file name or database credentials to load
 121                         // configuration from.
 122                         $bootstrapConfig = new GlobalVarConfig();
 123                         self::$instance = self::newInstance( $bootstrapConfig, 'load' );
 124                 }
 125
 126                 return self::$instance;
 127         }
 128
 129         /**
 130          * Replaces the global MediaWikiServices instance.
 131          *
 132          * @since 1.28
 133          *
 134          * @note This is for use in PHPUnit tests only!
 135          *
 136          * @throws MWException if called outside of PHPUnit tests.
 137          *
 138          * @param MediaWikiServices $services The new MediaWikiServices object.
 139          *
 140          * @return MediaWikiServices The old MediaWikiServices object, so it can be restored later.
 141          */
 142         public static function forceGlobalInstance( MediaWikiServices $services ) {
 143                 if ( !defined( 'MW_PHPUNIT_TEST' ) ) {
 144                         throw new MWException( __METHOD__ . ' must not be used outside unit tests.' );
 145                 }
 146
 147                 $old = self::getInstance();
 148                 self::$instance = $services;
 149
 150                 return $old;
 151         }
 152
 153         /**
 154          * Creates a new instance of MediaWikiServices and sets it as the global default
 155          * instance. getInstance() will return a different MediaWikiServices object
 156          * after every call to resetGlobalInstance().
 157          *
 158          * @since 1.28
 159          *
 160          * @warning This should not be used during normal operation. It is intended for use
 161          * when the configuration has changed significantly since bootstrap time, e.g.
 162          * during the installation process or during testing.
 163          *
 164          * @warning Calling resetGlobalInstance() may leave the application in an inconsistent
 165          * state. Calling this is only safe under the ASSUMPTION that NO REFERENCE to
 166          * any of the services managed by MediaWikiServices exist. If any service objects
 167          * managed by the old MediaWikiServices instance remain in use, they may INTERFERE
 168          * with the operation of the services managed by the new MediaWikiServices.
 169          * Operating with a mix of services created by the old and the new
 170          * MediaWikiServices instance may lead to INCONSISTENCIES and even DATA LOSS!
 171          * Any class implementing LAZY LOADING is especially prone to this problem,
 172          * since instances would typically retain a reference to a storage layer service.
 173          *
 174          * @see forceGlobalInstance()
 175          * @see resetGlobalInstance()
 176          * @see resetBetweenTest()
 177          *
 178          * @param Config|null $bootstrapConfig The Config object to be registered as the
 179          *        'BootstrapConfig' service. This has to contain at least the information
 180          *        needed to set up the 'ConfigFactory' service. If not given, the bootstrap
 181          *        config of the old instance of MediaWikiServices will be re-used. If there
 182          *        was no previous instance, a new GlobalVarConfig object will be used to
 183          *        bootstrap the services.
 184          *
 185          * @param string $quick Set this to "quick" to allow expensive resources to be re-used.
 186          * See SalvageableService for details.
 187          *
 188          * @throws MWException If called after MW_SERVICE_BOOTSTRAP_COMPLETE has been defined in
 189          *         Setup.php (unless MW_PHPUNIT_TEST or MEDIAWIKI_INSTALL or RUN_MAINTENANCE_IF_MAIN
 190          *          is defined).
 191          */
 192         public static function resetGlobalInstance( Config $bootstrapConfig = null, $quick = '' ) {
 193                 if ( self::$instance === null ) {
 194                         // no global instance yet, nothing to reset
 195                         return;
 196                 }
 197
 198                 self::failIfResetNotAllowed( __METHOD__ );
 199
 200                 if ( $bootstrapConfig === null ) {
 201                         $bootstrapConfig = self::$instance->getBootstrapConfig();
 202                 }
 203
 204                 $oldInstance = self::$instance;
 205
 206                 self::$instance = self::newInstance( $bootstrapConfig, 'load' );
 207                 self::$instance->importWiring( $oldInstance, [ 'BootstrapConfig' ] );
 208
 209                 if ( $quick === 'quick' ) {
 210                         self::$instance->salvage( $oldInstance );
 211                 } else {
 212                         $oldInstance->destroy();
 213                 }
 214         }
 215
 216         /**
 217          * Salvages the state of any salvageable service instances in $other.
 218          *
 219          * @note $other will have been destroyed when salvage() returns.
 220          *
 221          * @param MediaWikiServices $other
 222          */
 223         private function salvage( self $other ) {
 224                 foreach ( $this->getServiceNames() as $name ) {
 225                         // The service could be new in the new instance and not registered in the
 226                         // other instance (e.g. an extension that was loaded after the instantiation of
 227                         // the other instance. Skip this service in this case. See T143974
 228                         try {
 229                                 $oldService = $other->peekService( $name );
 230                         } catch ( NoSuchServiceException $e ) {
 231                                 continue;
 232                         }
 233
 234                         if ( $oldService instanceof SalvageableService ) {
 235                                 /** @var SalvageableService $newService */
 236                                 $newService = $this->getService( $name );
 237                                 $newService->salvage( $oldService );
 238                         }
 239                 }
 240
 241                 $other->destroy();
 242         }
 243
 244         /**
 245          * Creates a new MediaWikiServices instance and initializes it according to the
 246          * given $bootstrapConfig. In particular, all wiring files defined in the
 247          * ServiceWiringFiles setting are loaded, and the MediaWikiServices hook is called.
 248          *
 249          * @param Config|null $bootstrapConfig The Config object to be registered as the
 250          *        'BootstrapConfig' service.
 251          *
 252          * @param string $loadWiring set this to 'load' to load the wiring files specified
 253          *        in the 'ServiceWiringFiles' setting in $bootstrapConfig.
 254          *
 255          * @return MediaWikiServices
 256          * @throws MWException
 257          * @throws \FatalError
 258          */
 259         private static function newInstance( Config $bootstrapConfig, $loadWiring = '' ) {
 260                 $instance = new self( $bootstrapConfig );
 261
 262                 // Load the default wiring from the specified files.
 263                 if ( $loadWiring === 'load' ) {
 264                         $wiringFiles = $bootstrapConfig->get( 'ServiceWiringFiles' );
 265                         $instance->loadWiringFiles( $wiringFiles );
 266                 }
 267
 268                 // Provide a traditional hook point to allow extensions to configure services.
 269                 Hooks::run( 'MediaWikiServices', [ $instance ] );
 270
 271                 return $instance;
 272         }
 273
 274         /**
 275          * Disables all storage layer services. After calling this, any attempt to access the
 276          * storage layer will result in an error. Use resetGlobalInstance() to restore normal
 277          * operation.
 278          *
 279          * @since 1.28
 280          *
 281          * @warning This is intended for extreme situations only and should never be used
 282          * while serving normal web requests. Legitimate use cases for this method include
 283          * the installation process. Test fixtures may also use this, if the fixture relies
 284          * on globalState.
 285          *
 286          * @see resetGlobalInstance()
 287          * @see resetChildProcessServices()
 288          */
 289         public static function disableStorageBackend() {
 290                 // TODO: also disable some Caches, JobQueues, etc
 291                 $destroy = [ 'DBLoadBalancer', 'DBLoadBalancerFactory' ];
 292                 $services = self::getInstance();
 293
 294                 foreach ( $destroy as $name ) {
 295                         $services->disableService( $name );
 296                 }
 297
 298                 ObjectCache::clear();
 299         }
 300
 301         /**
 302          * Resets any services that may have become stale after a child process
 303          * returns from after pcntl_fork(). It's also safe, but generally unnecessary,
 304          * to call this method from the parent process.
 305          *
 306          * @since 1.28
 307          *
 308          * @note This is intended for use in the context of process forking only!
 309          *
 310          * @see resetGlobalInstance()
 311          * @see disableStorageBackend()
 312          */
 313         public static function resetChildProcessServices() {
 314                 // NOTE: for now, just reset everything. Since we don't know the interdependencies
 315                 // between services, we can't do this more selectively at this time.
 316                 self::resetGlobalInstance();
 317
 318                 // Child, reseed because there is no bug in PHP:
 319                 // https://bugs.php.net/bug.php?id=42465
 320                 mt_srand( getmypid() );
 321         }
 322
 323         /**
 324          * Resets the given service for testing purposes.
 325          *
 326          * @since 1.28
 327          *
 328          * @warning This is generally unsafe! Other services may still retain references
 329          * to the stale service instance, leading to failures and inconsistencies. Subclasses
 330          * may use this method to reset specific services under specific instances, but
 331          * it should not be exposed to application logic.
 332          *
 333          * @note With proper dependency injection used throughout the codebase, this method
 334          * should not be needed. It is provided to allow tests that pollute global service
 335          * instances to clean up.
 336          *
 337          * @param string $name
 338          * @param bool $destroy Whether the service instance should be destroyed if it exists.
 339          *        When set to false, any existing service instance will effectively be detached
 340          *        from the container.
 341          *
 342          * @throws MWException if called outside of PHPUnit tests.
 343          */
 344         public function resetServiceForTesting( $name, $destroy = true ) {
 345                 if ( !defined( 'MW_PHPUNIT_TEST' ) && !defined( 'MW_PARSER_TEST' ) ) {
 346                         throw new MWException( 'resetServiceForTesting() must not be used outside unit tests.' );
 347                 }
 348
 349                 $this->resetService( $name, $destroy );
 350         }
 351
 352         /**
 353          * Convenience method that throws an exception unless it is called during a phase in which
 354          * resetting of global services is allowed. In general, services should not be reset
 355          * individually, since that may introduce inconsistencies.
 356          *
 357          * @since 1.28
 358          *
 359          * This method will throw an exception if:
 360          *
 361          * - self::$resetInProgress is false (to allow all services to be reset together
 362          *   via resetGlobalInstance)
 363          * - and MEDIAWIKI_INSTALL is not defined (to allow services to be reset during installation)
 364          * - and MW_PHPUNIT_TEST is not defined (to allow services to be reset during testing)
 365          *
 366          * This method is intended to be used to safeguard against accidentally resetting
 367          * global service instances that are not yet managed by MediaWikiServices. It is
 368          * defined here in the MediaWikiServices services class to have a central place
 369          * for managing service bootstrapping and resetting.
 370          *
 371          * @param string $method the name of the caller method, as given by __METHOD__.
 372          *
 373          * @throws MWException if called outside bootstrap mode.
 374          *
 375          * @see resetGlobalInstance()
 376          * @see forceGlobalInstance()
 377          * @see disableStorageBackend()
 378          */
 379         public static function failIfResetNotAllowed( $method ) {
 380                 if ( !defined( 'MW_PHPUNIT_TEST' )
 381                         && !defined( 'MW_PARSER_TEST' )
 382                         && !defined( 'MEDIAWIKI_INSTALL' )
 383                         && !defined( 'RUN_MAINTENANCE_IF_MAIN' )
 384                         && defined( 'MW_SERVICE_BOOTSTRAP_COMPLETE' )
 385                 ) {
 386                         throw new MWException( $method . ' may only be called during bootstrapping and unit tests!' );
 387                 }
 388         }
 389
 390         /**
 391          * @param Config $config The Config object to be registered as the 'BootstrapConfig' service.
 392          *        This has to contain at least the information needed to set up the 'ConfigFactory'
 393          *        service.
 394          */
 395         public function __construct( Config $config ) {
 396                 parent::__construct();
 397
 398                 // Register the given Config object as the bootstrap config service.
 399                 $this->defineService( 'BootstrapConfig', function () use ( $config ) {
 400                         return $config;
 401                 } );
 402         }
 403
 404         // CONVENIENCE GETTERS ////////////////////////////////////////////////////
 405
 406         /**
 407          * @since 1.31
 408          * @return ActorMigration
 409          */
 410         public function getActorMigration() {
 411                 return $this->getService( 'ActorMigration' );
 412         }
 413
 414         /**
 415          * @since 1.31
 416          * @return BlobStore
 417          */
 418         public function getBlobStore() {
 419                 return $this->getService( '_SqlBlobStore' );
 420         }
 421
 422         /**
 423          * @since 1.31
 424          * @return BlobStoreFactory
 425          */
 426         public function getBlobStoreFactory() {
 427                 return $this->getService( 'BlobStoreFactory' );
 428         }
 429
 430         /**
 431          * Returns the Config object containing the bootstrap configuration.
 432          * Bootstrap configuration would typically include database credentials
 433          * and other information that may be needed before the ConfigFactory
 434          * service can be instantiated.
 435          *
 436          * @note This should only be used during bootstrapping, in particular
 437          * when creating the MainConfig service. Application logic should
 438          * use getMainConfig() to get a Config instances.
 439          *
 440          * @since 1.27
 441          * @return Config
 442          */
 443         public function getBootstrapConfig() {
 444                 return $this->getService( 'BootstrapConfig' );
 445         }
 446
 447         /**
 448          * @since 1.32
 449          * @return NameTableStore
 450          */
 451         public function getChangeTagDefStore() {
 452                 return $this->getService( 'ChangeTagDefStore' );
 453         }
 454
 455         /**
 456          * @since 1.31
 457          * @return CommentStore
 458          */
 459         public function getCommentStore() {
 460                 return $this->getService( 'CommentStore' );
 461         }
 462
 463         /**
 464          * @since 1.27
 465          * @return ConfigFactory
 466          */
 467         public function getConfigFactory() {
 468                 return $this->getService( 'ConfigFactory' );
 469         }
 470
 471         /**
 472          * @since 1.32
 473          * @return ConfigRepository
 474          */
 475         public function getConfigRepository() {
 476                 return $this->getService( 'ConfigRepository' );
 477         }
 478
 479         /**
 480          * @since 1.29
 481          * @return \ConfiguredReadOnlyMode
 482          */
 483         public function getConfiguredReadOnlyMode() {
 484                 return $this->getService( 'ConfiguredReadOnlyMode' );
 485         }
 486
 487         /**
 488          * @since 1.32
 489          * @return \Language
 490          */
 491         public function getContentLanguage() {
 492                 return $this->getService( 'ContentLanguage' );
 493         }
 494
 495         /**
 496          * @since 1.31
 497          * @return NameTableStore
 498          */
 499         public function getContentModelStore() {
 500                 return $this->getService( 'ContentModelStore' );
 501         }
 502
 503         /**
 504          * @since 1.28
 505          * @return CryptHKDF
 506          */
 507         public function getCryptHKDF() {
 508                 return $this->getService( 'CryptHKDF' );
 509         }
 510
 511         /**
 512          * @since 1.28
 513          * @deprecated since 1.32, use random_bytes()/random_int()
 514          * @return CryptRand
 515          */
 516         public function getCryptRand() {
 517                 return $this->getService( 'CryptRand' );
 518         }
 519
 520         /**
 521          * @since 1.28
 522          * @return LoadBalancer The main DB load balancer for the local wiki.
 523          */
 524         public function getDBLoadBalancer() {
 525                 return $this->getService( 'DBLoadBalancer' );
 526         }
 527
 528         /**
 529          * @since 1.28
 530          * @return LBFactory
 531          */
 532         public function getDBLoadBalancerFactory() {
 533                 return $this->getService( 'DBLoadBalancerFactory' );
 534         }
 535
 536         /**
 537          * @since 1.27
 538          * @return EventRelayerGroup
 539          */
 540         public function getEventRelayerGroup() {
 541                 return $this->getService( 'EventRelayerGroup' );
 542         }
 543
 544         /**
 545          * @since 1.31
 546          * @return \ExternalStoreFactory
 547          */
 548         public function getExternalStoreFactory() {
 549                 return $this->getService( 'ExternalStoreFactory' );
 550         }
 551
 552         /**
 553          * @since 1.28
 554          * @return GenderCache
 555          */
 556         public function getGenderCache() {
 557                 return $this->getService( 'GenderCache' );
 558         }
 559
 560         /**
 561          * @since 1.31
 562          * @return HttpRequestFactory
 563          */
 564         public function getHttpRequestFactory() {
 565                 return $this->getService( 'HttpRequestFactory' );
 566         }
 567
 568         /**
 569          * @since 1.28
 570          * @return InterwikiLookup
 571          */
 572         public function getInterwikiLookup() {
 573                 return $this->getService( 'InterwikiLookup' );
 574         }
 575
 576         /**
 577          * @since 1.28
 578          * @return LinkCache
 579          */
 580         public function getLinkCache() {
 581                 return $this->getService( 'LinkCache' );
 582         }
 583
 584         /**
 585          * LinkRenderer instance that can be used
 586          * if no custom options are needed
 587          *
 588          * @since 1.28
 589          * @return LinkRenderer
 590          */
 591         public function getLinkRenderer() {
 592                 return $this->getService( 'LinkRenderer' );
 593         }
 594
 595         /**
 596          * @since 1.28
 597          * @return LinkRendererFactory
 598          */
 599         public function getLinkRendererFactory() {
 600                 return $this->getService( 'LinkRendererFactory' );
 601         }
 602
 603         /**
 604          * @since 1.28
 605          * @return \BagOStuff
 606          */
 607         public function getLocalServerObjectCache() {
 608                 return $this->getService( 'LocalServerObjectCache' );
 609         }
 610
 611         /**
 612          * @since 1.32
 613          * @return MagicWordFactory
 614          */
 615         public function getMagicWordFactory() {
 616                 return $this->getService( 'MagicWordFactory' );
 617         }
 618
 619         /**
 620          * Returns the Config object that provides configuration for MediaWiki core.
 621          * This may or may not be the same object that is returned by getBootstrapConfig().
 622          *
 623          * @since 1.27
 624          * @return Config
 625          */
 626         public function getMainConfig() {
 627                 return $this->getService( 'MainConfig' );
 628         }
 629
 630         /**
 631          * @since 1.28
 632          * @return \BagOStuff
 633          */
 634         public function getMainObjectStash() {
 635                 return $this->getService( 'MainObjectStash' );
 636         }
 637
 638         /**
 639          * @since 1.28
 640          * @return \WANObjectCache
 641          */
 642         public function getMainWANObjectCache() {
 643                 return $this->getService( 'MainWANObjectCache' );
 644         }
 645
 646         /**
 647          * @since 1.28
 648          * @return MediaHandlerFactory
 649          */
 650         public function getMediaHandlerFactory() {
 651                 return $this->getService( 'MediaHandlerFactory' );
 652         }
 653
 654         /**
 655          * @since 1.28
 656          * @return MimeAnalyzer
 657          */
 658         public function getMimeAnalyzer() {
 659                 return $this->getService( 'MimeAnalyzer' );
 660         }
 661
 662         /**
 663          * @since 1.32
 664          * @return OldRevisionImporter
 665          */
 666         public function getOldRevisionImporter() {
 667                 return $this->getService( 'OldRevisionImporter' );
 668         }
 669
 670         /**
 671          * @since 1.29
 672          * @return Parser
 673          */
 674         public function getParser() {
 675                 return $this->getService( 'Parser' );
 676         }
 677
 678         /**
 679          * @since 1.30
 680          * @return ParserCache
 681          */
 682         public function getParserCache() {
 683                 return $this->getService( 'ParserCache' );
 684         }
 685
 686         /**
 687          * @since 1.32
 688          * @return ParserFactory
 689          */
 690         public function getParserFactory() {
 691                 return $this->getService( 'ParserFactory' );
 692         }
 693
 694         /**
 695          * @since 1.32
 696          * @return PasswordFactory
 697          */
 698         public function getPasswordFactory() {
 699                 return $this->getService( 'PasswordFactory' );
 700         }
 701
 702         /**
 703          * @since 1.32
 704          * @return IBufferingStatsdDataFactory
 705          */
 706         public function getPerDbNameStatsdDataFactory() {
 707                 return $this->getService( 'PerDbNameStatsdDataFactory' );
 708         }
 709
 710         /**
 711          * @since 1.31
 712          * @return PreferencesFactory
 713          */
 714         public function getPreferencesFactory() {
 715                 return $this->getService( 'PreferencesFactory' );
 716         }
 717
 718         /**
 719          * @since 1.28
 720          * @return ProxyLookup
 721          */
 722         public function getProxyLookup() {
 723                 return $this->getService( 'ProxyLookup' );
 724         }
 725
 726         /**
 727          * @since 1.29
 728          * @return \ReadOnlyMode
 729          */
 730         public function getReadOnlyMode() {
 731                 return $this->getService( 'ReadOnlyMode' );
 732         }
 733
 734         /**
 735          * @since 1.31
 736          * @return RevisionFactory
 737          */
 738         public function getRevisionFactory() {
 739                 return $this->getService( 'RevisionFactory' );
 740         }
 741
 742         /**
 743          * @since 1.31
 744          * @return RevisionLookup
 745          */
 746         public function getRevisionLookup() {
 747                 return $this->getService( 'RevisionLookup' );
 748         }
 749
 750         /**
 751          * @since 1.31
 752          * @return RevisionStore
 753          */
 754         public function getRevisionStore() {
 755                 return $this->getService( 'RevisionStore' );
 756         }
 757
 758         /**
 759          * @since 1.32
 760          * @return RevisionStoreFactory
 761          */
 762         public function getRevisionStoreFactory() {
 763                 return $this->getService( 'RevisionStoreFactory' );
 764         }
 765
 766         /**
 767          * @since 1.27
 768          * @return SearchEngine
 769          */
 770         public function newSearchEngine() {
 771                 // New engine object every time, since they keep state
 772                 return $this->getService( 'SearchEngineFactory' )->create();
 773         }
 774
 775         /**
 776          * @since 1.27
 777          * @return SearchEngineConfig
 778          */
 779         public function getSearchEngineConfig() {
 780                 return $this->getService( 'SearchEngineConfig' );
 781         }
 782
 783         /**
 784          * @since 1.27
 785          * @return SearchEngineFactory
 786          */
 787         public function getSearchEngineFactory() {
 788                 return $this->getService( 'SearchEngineFactory' );
 789         }
 790
 791         /**
 792          * @since 1.30
 793          * @return CommandFactory
 794          */
 795         public function getShellCommandFactory() {
 796                 return $this->getService( 'ShellCommandFactory' );
 797         }
 798
 799         /**
 800          * @since 1.27
 801          * @return SiteLookup
 802          */
 803         public function getSiteLookup() {
 804                 return $this->getService( 'SiteLookup' );
 805         }
 806
 807         /**
 808          * @since 1.27
 809          * @return SiteStore
 810          */
 811         public function getSiteStore() {
 812                 return $this->getService( 'SiteStore' );
 813         }
 814
 815         /**
 816          * @since 1.27
 817          * @return SkinFactory
 818          */
 819         public function getSkinFactory() {
 820                 return $this->getService( 'SkinFactory' );
 821         }
 822
 823         /**
 824          * @since 1.31
 825          * @return NameTableStore
 826          */
 827         public function getSlotRoleStore() {
 828                 return $this->getService( 'SlotRoleStore' );
 829         }
 830
 831         /**
 832          * @since 1.27
 833          * @return IBufferingStatsdDataFactory
 834          */
 835         public function getStatsdDataFactory() {
 836                 return $this->getService( 'StatsdDataFactory' );
 837         }
 838
 839         /**
 840          * @since 1.28
 841          * @return TitleFormatter
 842          */
 843         public function getTitleFormatter() {
 844                 return $this->getService( 'TitleFormatter' );
 845         }
 846
 847         /**
 848          * @since 1.28
 849          * @return TitleParser
 850          */
 851         public function getTitleParser() {
 852                 return $this->getService( 'TitleParser' );
 853         }
 854
 855         /**
 856          * @since 1.32
 857          * @return UploadRevisionImporter
 858          */
 859         public function getUploadRevisionImporter() {
 860                 return $this->getService( 'UploadRevisionImporter' );
 861         }
 862
 863         /**
 864          * @since 1.28
 865          * @return VirtualRESTServiceClient
 866          */
 867         public function getVirtualRESTServiceClient() {
 868                 return $this->getService( 'VirtualRESTServiceClient' );
 869         }
 870
 871         /**
 872          * @since 1.28
 873          * @return WatchedItemQueryService
 874          */
 875         public function getWatchedItemQueryService() {
 876                 return $this->getService( 'WatchedItemQueryService' );
 877         }
 878
 879         /**
 880          * @since 1.28
 881          * @return WatchedItemStoreInterface
 882          */
 883         public function getWatchedItemStore() {
 884                 return $this->getService( 'WatchedItemStore' );
 885         }
 886
 887         /**
 888          * @since 1.31
 889          * @return \OldRevisionImporter
 890          */
 891         public function getWikiRevisionOldRevisionImporter() {
 892                 return $this->getService( 'OldRevisionImporter' );
 893         }
 894
 895         /**
 896          * @since 1.31
 897          * @return \OldRevisionImporter
 898          */
 899         public function getWikiRevisionOldRevisionImporterNoUpdates() {
 900                 return $this->getService( 'WikiRevisionOldRevisionImporterNoUpdates' );
 901         }
 902
 903         /**
 904          * @since 1.31
 905          * @return \UploadRevisionImporter
 906          */
 907         public function getWikiRevisionUploadImporter() {
 908                 return $this->getService( 'UploadRevisionImporter' );
 909         }
 910
 911 }