# 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
    00015     abstract class AggregateProjection extends BaseProjection
    00016     {
    00017         abstract public function getFunctionName();
    00018
    00022         public function process(Criteria $criteria, JoinCapableQuery $query)
    00023         {
    00024             Assert::isNotNull($this->property);
    00025
    00026             return
    00027                 $query->
    00028                 get(
    00029                     SQLFunction::create(
    00030                         $this->getFunctionName(),
    00031                         $criteria->getDao()->guessAtom($this->property, $query)
    00032                     )->
    00033                     setAlias($this->alias)
    00034                 );
    00035         }
    00036     }
    00037 ?>