Current File : //www/varak.net/wiki.varak.net/includes/db/ORMResult.php
<?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 int
*/
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 bool|object $row
*/
protected function setCurrent( $row ) {
if ( $row === false ) {
$this->current = false;
} else {
$this->current = $this->table->newRowFromDBResult( $row );
}
}
/**
* @return int
*/
public function count() {
return $this->res->numRows();
}
/**
* @return bool
*/
public function isEmpty() {
return $this->res->numRows() === 0;
}
/**
* @return IORMRow
*/
public function current() {
return $this->current;
}
/**
* @return int
*/
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 bool
*/
public function valid() {
return $this->current !== false;
}
}
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