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| 1 | <?php |
| 2 | /** |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License as published by |
| 5 | * the Free Software Foundation; either version 2 of the License, or |
| 6 | * (at your option) any later version. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License along |
| 14 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 16 | * http://www.gnu.org/copyleft/gpl.html |
| 17 | * |
| 18 | * @file |
| 19 | */ |
| 20 | |
| 21 | namespace MediaWiki\FileRepo; |
| 22 | |
| 23 | use Closure; |
| 24 | use LogicException; |
| 25 | use MediaWiki\FileRepo\File\ForeignDBFile; |
| 26 | use MediaWiki\MediaWikiServices; |
| 27 | use Wikimedia\Rdbms\IConnectionProvider; |
| 28 | |
| 29 | /** |
| 30 | * A foreign repository with a MediaWiki database accessible via the configured LBFactory. |
| 31 | * |
| 32 | * @ingroup FileRepo |
| 33 | */ |
| 34 | class ForeignDBViaLBRepo extends LocalRepo implements IForeignRepoWithDB { |
| 35 | /** @var array */ |
| 36 | protected $fileFactory = [ ForeignDBFile::class, 'newFromTitle' ]; |
| 37 | |
| 38 | /** @var array */ |
| 39 | protected $fileFromRowFactory = [ ForeignDBFile::class, 'newFromRow' ]; |
| 40 | |
| 41 | /** |
| 42 | * @param array|null $info |
| 43 | */ |
| 44 | public function __construct( $info ) { |
| 45 | parent::__construct( $info ); |
| 46 | '@phan-var array $info'; |
| 47 | $this->dbDomain = $info['wiki']; |
| 48 | $this->hasAccessibleSharedCache = $info['hasSharedCache']; |
| 49 | } |
| 50 | |
| 51 | public function getPrimaryDB() { |
| 52 | return $this->getDbProvider()->getPrimaryDatabase( $this->dbDomain ); |
| 53 | } |
| 54 | |
| 55 | public function getReplicaDB() { |
| 56 | return $this->getDbProvider()->getReplicaDatabase( $this->dbDomain ); |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * @return Closure |
| 61 | */ |
| 62 | protected function getDBFactory() { |
| 63 | return function ( $index ) { |
| 64 | if ( $index == DB_PRIMARY ) { |
| 65 | return $this->getDbProvider()->getPrimaryDatabase( $this->dbDomain ); |
| 66 | } else { |
| 67 | return $this->getDbProvider()->getReplicaDatabase( $this->dbDomain ); |
| 68 | } |
| 69 | }; |
| 70 | } |
| 71 | |
| 72 | protected function getDbProvider(): IConnectionProvider { |
| 73 | return MediaWikiServices::getInstance()->getConnectionProvider(); |
| 74 | } |
| 75 | |
| 76 | /** |
| 77 | * @return never |
| 78 | */ |
| 79 | protected function assertWritableRepo() { |
| 80 | throw new LogicException( static::class . ': write operations are not supported.' ); |
| 81 | } |
| 82 | |
| 83 | public function getInfo() { |
| 84 | return FileRepo::getInfo(); |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | /** @deprecated class alias since 1.44 */ |
| 89 | class_alias( ForeignDBViaLBRepo::class, 'ForeignDBViaLBRepo' ); |