includes/libs/filebackend/FileBackendStoreShardFileIterator.php

   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  * @ingroup FileBackend
  20  */
  21
  22 /**
  23  * Iterator for listing regular files
  24  */
  25 class FileBackendStoreShardFileIterator extends FileBackendStoreShardListIterator {
  26         protected function listFromShard( $container ) {
  27                 $list = $this->backend->getFileListInternal(
  28                         $container, $this->directory, $this->params );
  29                 if ( $list === null ) {
  30                         return new ArrayIterator( [] );
  31                 } else {
  32                         return is_array( $list ) ? new ArrayIterator( $list ) : $list;
  33                 }
  34         }
  35 }