<?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_ForeignKey * This class represents a foreign 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_ForeignKey extends Doctrine_Relation { /** * processDiff * * @param Doctrine_Record $record */ public function processDiff(Doctrine_Record $record) { $alias = $this->getAlias(); if ($this->isOneToOne()) { if ($record->obtainOriginals($alias) && $record->obtainOriginals($alias)->obtainIdentifier() != $this->obtainReference($alias)->obtainIdentifier() ) { $record->obtainOriginals($alias)->delete(); } } else { if ($record->hasReference($alias)) { $new = $record->obtainReference($alias); if ( ! $record->obtainOriginals($alias)) { $record->loadReference($alias); } $operations = Doctrine_Relation::getDeleteOperations($record->obtainOriginals($alias), $new); foreach ($operations as $r) { $r->delete(); } $record->assignOriginals($alias, clone $record->get($alias)); } } } /** * 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->local); if ($this->isOneToOne()) { if (empty($id)) { $related = $this->table->create(); } else { $dql = "FROM ".$this->table->getComponentName()." WHERE ".$this->table->getComponentName().".".$this->foreign." = ?"; $coll = $this->table->getConnection()->query($dql, array($id)); $related = $coll[0]; } $related->set($this->foreign, $record, false); } else { if (empty($id)) { $related = new Doctrine_Collection($this->table); } else { $query = $this->getRelationDql(1); $related = $this->table->getConnection()->query($query, array($id)); } $related->setReference($record, $this); } return $related; } }