AggregateProjection.class.php

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00001 <?php
00002 /***************************************************************************
00003  *   Copyright (C) 2006-2007 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: AggregateProjection.class.php 4687 2007-12-09 18:57:18Z voxus $ */
00012 
00016     abstract class AggregateProjection extends BaseProjection
00017     {
00018         abstract public function getFunctionName();
00019         
00023         public function process(Criteria $criteria, JoinCapableQuery $query)
00024         {
00025             Assert::isFalse(!$this->property);
00026             
00027             return
00028                 $query->
00029                 get(
00030                     SQLFunction::create(
00031                         $this->getFunctionName(),
00032                         $criteria->getDao()->guessAtom($this->property, $query)
00033                     )->
00034                     setAlias($this->alias)
00035                 );
00036         }
00037     }
00038 ?>

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