DaoSynchronizer.class.php

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00001 <?php
00002 /***************************************************************************
00003  *   Copyright (C) 2009 by Ivan Y. Khvostishkov                            *
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 
00017     class DaoSynchronizer extends CustomizableDaoSynchronizer
00018     {
00022         public static function create()
00023         {
00024             return new self;
00025         }
00026         
00030         public function setMaster(GenericDAO $master)
00031         {
00032             Assert::isInstance($master, 'ProtoDAO');
00033             
00034             return parent::setMaster($master);
00035         }
00036         
00040         public function setSlave(GenericDAO $slave)
00041         {
00042             Assert::isInstance($slave, 'ProtoDAO');
00043             
00044             return parent::setSlave($slave);
00045         }
00046         
00047         protected function sync($old, $object)
00048         {
00049             $changed = array();
00050             
00051             foreach (
00052                 $this->slave->getProtoClass()->
00053                     getPropertyList() as $property
00054             ) {
00055                 $getter = $property->getGetter();
00056                 
00057                 if ($property->getClassName() === null) {
00058                     if ($old->$getter() != $object->$getter())
00059                         $changed[$property->getName()] = $property;
00060                     
00061                 } else {
00062                     if (
00063                         (
00064                             is_object($old->$getter())
00065                             && !$old->$getter()->isEqualTo($object->$getter())
00066                         )
00067                         || (!$old->$getter() && $object->$getter())
00068                     )
00069                         $changed[$property->getName()] = $property;
00070                 }
00071             }
00072             
00073             if ($changed) {
00074                 return $this->changed($old, $object, $changed);
00075             }
00076             
00077             return false;
00078         }
00079         
00080         protected function changed($old, $object, $properties)
00081         {
00082             return parent::sync($old, $object);
00083         }
00084     }
00085 ?>