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<?php
/**
* Default wiring for MediaWiki services.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*
* This file is loaded by MediaWiki\MediaWikiServices::getInstance() during the
* bootstrapping of the dependency injection framework.
*
* This file returns an array that associates service name with instantiator functions
* that create the default instances for the services used by MediaWiki core.
* For every service that MediaWiki core requires, an instantiator must be defined in
* this file.
*
* @note As of version 1.27, MediaWiki is only beginning to use dependency injection.
* The services defined here do not yet fully represent all services used by core,
* much of the code still relies on global state for this accessing services.
*
* @since 1.27
*
* @see docs/injection.txt for an overview of using dependency injection in the
* MediaWiki code base.
*/
use MediaWiki\MediaWikiServices;
return [
'SiteStore' => function( MediaWikiServices $services ) {
$loadBalancer = wfGetLB(); // TODO: use LB from MediaWikiServices
$rawSiteStore = new DBSiteStore( $loadBalancer );
// TODO: replace wfGetCache with a CacheFactory service.
// TODO: replace wfIsHHVM with a capabilities service.
$cache = wfGetCache( wfIsHHVM() ? CACHE_ACCEL : CACHE_ANYTHING );
return new CachingSiteStore( $rawSiteStore, $cache );
},
'SiteLookup' => function( MediaWikiServices $services ) {
// Use the default SiteStore as the SiteLookup implementation for now
return $services->getSiteStore();
},
'ConfigFactory' => function( MediaWikiServices $services ) {
// Use the bootstrap config to initialize the ConfigFactory.
$registry = $services->getBootstrapConfig()->get( 'ConfigRegistry' );
$factory = new ConfigFactory();
foreach ( $registry as $name => $callback ) {
$factory->register( $name, $callback );
}
return $factory;
},
'MainConfig' => function( MediaWikiServices $services ) {
// Use the 'main' config from the ConfigFactory service.
return $services->getConfigFactory()->makeConfig( 'main' );
},
'StatsdDataFactory' => function( MediaWikiServices $services ) {
return new BufferingStatsdDataFactory(
rtrim( $services->getMainConfig()->get( 'StatsdMetricPrefix' ), '.' )
);
},
'EventRelayerGroup' => function( MediaWikiServices $services ) {
return new EventRelayerGroup( $services->getMainConfig()->get( 'EventRelayerConfig' ) );
},
'SearchEngineFactory' => function( MediaWikiServices $services ) {
return new SearchEngineFactory( $services->getSearchEngineConfig() );
},
'SearchEngineConfig' => function( MediaWikiServices $services ) {
global $wgContLang;
return new SearchEngineConfig( $services->getMainConfig(), $wgContLang );
},
'SkinFactory' => function( MediaWikiServices $services ) {
return new SkinFactory();
},
///////////////////////////////////////////////////////////////////////////
// NOTE: When adding a service here, don't forget to add a getter function
// in the MediaWikiServices class. The convenience getter should just call
// $this->getService( 'FooBarService' ).
///////////////////////////////////////////////////////////////////////////
];
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