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doctrine2/lib/Doctrine/Relation/LocalKey.php
2007-02-17 12:38:02 +00:00

76 lines
2.6 KiB
PHP

<?php
/*
* $Id$
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the LGPL. For more information, see
* <http://www.phpdoctrine.com>.
*/
Doctrine::autoload('Doctrine_Relation');
/**
* Doctrine_Relation_LocalKey
* This class represents a local key relation
*
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @package Doctrine
* @category Object Relational Mapping
* @link www.phpdoctrine.com
* @since 1.0
* @version $Revision$
*/
class Doctrine_Relation_LocalKey extends Doctrine_Relation
{
/**
* processDiff
*
* @param Doctrine_Record $record
*/
public function processDiff(Doctrine_Record $record)
{
$alias = $this->getAlias();
if ($record->obtainOriginals($alias)
&& $record->obtainOriginals($alias)->obtainIdentifier() != $this->references[$alias]->obtainIdentifier()
) {
$record->obtainOriginals($alias)->delete();
}
}
/**
* fetchRelatedFor
*
* fetches a component related to given record
*
* @param Doctrine_Record $record
* @return Doctrine_Record|Doctrine_Collection
*/
public function fetchRelatedFor(Doctrine_Record $record)
{
$id = $record->get($this->definition['local']);
if (empty($id)) {
$related = $this->getTable()->create();
} else {
if ( ! ($related = $this->getTable()->find($id))) {
$related = $this->getTable()->create();
}
}
$record->set($this->definition['local'], $related, false);
return $related;
}
}