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<?php
/**
* Functions to get cache objects.
*
* 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
* @ingroup Cache
*/
use MediaWiki\MediaWikiServices;
use Wikimedia\ObjectCache\BagOStuff;
/**
* @see ObjectCacheFactory
* @ingroup Cache
*/
class ObjectCache {
/**
* @deprecated since 1.43; use ObjectCacheFactory instead.
* @var BagOStuff[] Map of (id => BagOStuff)
*/
public static $instances = [];
/**
* Get a cached instance of the specified type of cache object.
*
* @deprecated since 1.43; use ObjectCacheFactory::getInstance instead.
*
* @param string|int $id A key in $wgObjectCaches.
* @return BagOStuff
*/
public static function getInstance( $id ) {
return MediaWikiServices::getInstance()->getObjectCacheFactory()->getInstance( $id );
}
/**
* @see ObjectCacheFactory::newFromParams()
*
* @deprecated since 1.42, Use ObjectCacheFactory::newFromParams instead.
* @param array $params
*
* @return BagOStuff
*/
public static function newFromParams( array $params ) {
return MediaWikiServices::getInstance()->getObjectCacheFactory()
->newFromParams( $params );
}
/**
* Factory function for CACHE_ANYTHING (referenced by configuration)
*
* CACHE_ANYTHING means that stuff has to be cached, not caching is not an option.
* If a caching method is configured for any of the main caches ($wgMainCacheType,
* $wgMessageCacheType, $wgParserCacheType), then CACHE_ANYTHING will effectively
* be an alias to the configured cache choice for that.
* If no cache choice is configured (by default $wgMainCacheType is CACHE_NONE),
* then CACHE_ANYTHING will forward to CACHE_DB.
*
* @deprecated since 1.42, Use ObjectCacheFactory::getInstance( CACHE_ANYTHING );
*
* @return BagOStuff
*/
public static function newAnything() {
return MediaWikiServices::getInstance()->getObjectCacheFactory()
->getInstance( CACHE_ANYTHING );
}
/**
* @deprecated since 1.42, Use ObjectCacheFactory::getLocalServerInstance()
* @param int|string|array $fallback Fallback cache or parameter map with 'fallback'
* @return BagOStuff
* @since 1.27
*/
public static function getLocalServerInstance( $fallback = CACHE_NONE ) {
return MediaWikiServices::getInstance()->getObjectCacheFactory()
->getLocalServerInstance( $fallback );
}
/**
* Get the main cluster-local cache object.
*
* @deprecated since 1.43, Use ObjectCacheFactory::getLocalClusterInstance()
*
* @since 1.27
* @return BagOStuff
*/
public static function getLocalClusterInstance() {
return MediaWikiServices::getInstance()->getObjectCacheFactory()
->getLocalClusterInstance();
}
/**
* @deprecated since 1.42, Use ObjectCacheFactory::clear() instead.
*
* Clear all the cached instances.
*/
public static function clear() {
MediaWikiServices::getInstance()->getObjectCacheFactory()->clear();
}
}
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