DatabaseCreator.php

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<?php
 
namespace MediaWiki\Installer;
 
use MediaWiki\Installer\Task\ITaskContext;
use MediaWiki\MainConfigNames;
use MediaWiki\Status\Status;
use Wikimedia\Rdbms\ILoadBalancer;
 
abstract class DatabaseCreator {
    protected $context;
 
    public static function createInstance( ITaskContext $context ): DatabaseCreator {
        $type = $context->getConfigVar( MainConfigNames::DBtype );
 
        switch ( $type ) {
            case 'mysql':
                return new MysqlDatabaseCreator( $context );
            case 'postgres':
                return new PostgresDatabaseCreator( $context );
            case 'sqlite':
                return new SqliteDatabaseCreator( $context );
            default:
                throw new \InvalidArgumentException( "Unknown DBMS type \"$type\"" );
        }
    }
 
    protected function __construct( ITaskContext $context ) {
        $this->context = $context;
    }
 
    abstract public function existsLocally( $database );
 
    abstract public function existsInLoadBalancer( ILoadBalancer $loadBalancer, $database );
 
    abstract public function createLocally( $database ): Status;
 
    abstract public function createInLoadBalancer( ILoadBalancer $loadBalancer, $database ): Status;
}