ForeignDBViaLBRepo.php

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<?php
use MediaWiki\MediaWikiServices;
use Wikimedia\Rdbms\ILoadBalancer;
 
class ForeignDBViaLBRepo extends LocalRepo {
    protected $fileFactory = [ ForeignDBFile::class, 'newFromTitle' ];
 
    protected $fileFromRowFactory = [ ForeignDBFile::class, 'newFromRow' ];
 
    public function __construct( $info ) {
        parent::__construct( $info );
        '@phan-var array $info';
        $this->dbDomain = $info['wiki'];
        $this->hasAccessibleSharedCache = $info['hasSharedCache'];
    }
 
    public function getPrimaryDB() {
        return $this->getDBLoadBalancer()->getConnectionRef( DB_PRIMARY, [], $this->dbDomain );
    }
 
    public function getMasterDB() {
        wfDeprecated( __METHOD__, '1.37' );
        return $this->getPrimaryDB();
    }
 
    public function getReplicaDB() {
        return $this->getDBLoadBalancer()->getConnectionRef( DB_REPLICA, [], $this->dbDomain );
    }
 
    protected function getDBFactory() {
        return function ( $index ) {
            return $this->getDBLoadBalancer()->getConnectionRef( $index, [], $this->dbDomain );
        };
    }
 
    protected function getDBLoadBalancer() {
        $lbFactory = MediaWikiServices::getInstance()->getDBLoadBalancerFactory();
 
        return $lbFactory->getMainLB( $this->dbDomain );
    }
 
    protected function assertWritableRepo() {
        throw new MWException( static::class . ': write operations are not supported.' );
    }
 
    public function getInfo() {
        return FileRepo::getInfo();
    }
}