BlobStoreFactory.php

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<?php
namespace MediaWiki\Storage;
 
use MediaWiki\Config\ServiceOptions;
use WANObjectCache;
use Wikimedia\Rdbms\ILBFactory;
use ExternalStoreAccess;
 
class BlobStoreFactory {
 
    private $lbFactory;
 
    private $extStoreAccess;
 
    private $cache;
 
    private $options;
 
    public const CONSTRUCTOR_OPTIONS = [
        'CompressRevisions',
        'DefaultExternalStore',
        'LegacyEncoding',
        'RevisionCacheExpiry',
    ];
 
    public function __construct(
        ILBFactory $lbFactory,
        ExternalStoreAccess $extStoreAccess,
        WANObjectCache $cache,
        ServiceOptions $options
    ) {
        $options->assertRequiredOptions( self::CONSTRUCTOR_OPTIONS );
 
        $this->lbFactory = $lbFactory;
        $this->extStoreAccess = $extStoreAccess;
        $this->cache = $cache;
        $this->options = $options;
    }
 
    public function newBlobStore( $dbDomain = false ) {
        return $this->newSqlBlobStore( $dbDomain );
    }
 
    public function newSqlBlobStore( $dbDomain = false ) {
        $lb = $this->lbFactory->getMainLB( $dbDomain );
        $store = new SqlBlobStore(
            $lb,
            $this->extStoreAccess,
            $this->cache,
            $dbDomain
        );
 
        $store->setCompressBlobs( $this->options->get( 'CompressRevisions' ) );
        $store->setCacheExpiry( $this->options->get( 'RevisionCacheExpiry' ) );
        $store->setUseExternalStore( $this->options->get( 'DefaultExternalStore' ) !== false );
 
        if ( $this->options->get( 'LegacyEncoding' ) ) {
            $store->setLegacyEncoding( $this->options->get( 'LegacyEncoding' ) );
        }
 
        return $store;
    }
 
}