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<?php
namespace Wikibase\EntityStore;
use BatchingIterator\Fetchers\MultipleBatchingFetcher;
use Wikibase\DataModel\Entity\EntityId;
use Wikibase\Repo\Store\EntityPerPage;
/**
* @since 0.2
* @licence GNU GPL v2+
* @author Jeroen De Dauw < [email protected] >
*/
class BatchingEntityIdFetcherBuilder {
private $entityPerPageTable;
private $previousId;
private $fetchers = array();
public function __construct( EntityPerPage $entityPerPageTable, EntityId $previousId = null ) {
$this->entityPerPageTable = $entityPerPageTable;
$this->previousId = $previousId;
$this->addFetcherForEntityType( 'item' );
$this->addFetcherForEntityType( 'property' );
}
private function addFetcherForEntityType( $entityType ) {
$this->fetchers[] = new TypedEntityIdFetcher(
$this->entityPerPageTable,
$entityType,
$this->getPreviousIdForEntityType( $entityType )
);
private function getPreviousIdForEntityType( $entityType ) {
if ( $this->previousId !== null && $this->previousId->getEntityType() === $entityType ) {
return $this->previousId;
return null;
public function getFetcher() {
return new MultipleBatchingFetcher( $this->fetchers );
wmde /
WikibaseEntityStore
