00001 <?php 00002 /*************************************************************************** 00003 * Copyright (C) 2007 by Konstantin V. Arkhipov * 00004 * * 00005 * This program is free software; you can redistribute it and/or modify * 00006 * it under the terms of the GNU Lesser General Public License as * 00007 * published by the Free Software Foundation; either version 3 of the * 00008 * License, or (at your option) any later version. * 00009 * * 00010 ***************************************************************************/ 00011 /* $Id: CountProjection.class.php 4687 2007-12-09 18:57:18Z voxus $ */ 00012 00016 abstract class CountProjection extends BaseProjection 00017 { 00021 public function process(Criteria $criteria, JoinCapableQuery $query) 00022 { 00023 return $query->get($this->getFunction($criteria, $query)); 00024 } 00025 00029 protected function getFunction( 00030 Criteria $criteria, 00031 JoinCapableQuery $query 00032 ) 00033 { 00034 return 00035 SQLFunction::create( 00036 'count', 00037 $this->property 00038 ? $criteria->getDao()->guessAtom($this->property, $query) 00039 : $criteria->getDao()->getIdName() 00040 )-> 00041 setAlias($this->alias); 00042 } 00043 } 00044 ?>