<?php /** * ORMIterator that takes a ResultWrapper object returned from * a select operation returning IORMRow objects (ie IORMTable::select). * * Documentation inline and at https://www.mediawiki.org/wiki/Manual:ORMTable * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * http://www.gnu.org/copyleft/gpl.html * * @since 1.20 * * @file ORMResult.php * @ingroup ORM * * @license GNU GPL v2 or later * @author Jeroen De Dauw < jeroendedauw@gmail.com > */ class ORMResult implements ORMIterator { /** * @var ResultWrapper */ protected $res; /** * @var integer */ protected $key; /** * @var IORMRow */ protected $current; /** * @var IORMTable */ protected $table; /** * @param IORMTable $table * @param ResultWrapper $res */ public function __construct( IORMTable $table, ResultWrapper $res ) { $this->table = $table; $this->res = $res; $this->key = 0; $this->setCurrent( $this->res->current() ); } /** * @param $row */ protected function setCurrent( $row ) { if ( $row === false ) { $this->current = false; } else { $this->current = $this->table->newRowFromDBResult( $row ); } } /** * @return integer */ public function count() { return $this->res->numRows(); } /** * @return boolean */ public function isEmpty() { return $this->res->numRows() === 0; } /** * @return IORMRow */ public function current() { return $this->current; } /** * @return integer */ public function key() { return $this->key; } public function next() { $row = $this->res->next(); $this->setCurrent( $row ); $this->key++; } public function rewind() { $this->res->rewind(); $this->key = 0; $this->setCurrent( $this->res->current() ); } /** * @return boolean */ public function valid() { return $this->current !== false; } }