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doctrine2/lib/Doctrine/Relation/Association.php

122 lines
4.7 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_Association
*
* This class is reponsible for lazy-loading the related objects in a many-to-many relation.
*
* @package Doctrine
* @subpackage Relation
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.phpdoctrine.com
* @since 1.0
* @version $Revision$
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
*/
class Doctrine_Relation_Association extends Doctrine_Relation
{
/**
* @return Doctrine_Table
*/
public function getAssociationFactory()
{
return $this->definition['refTable'];
}
public function getAssociationTable()
{
return $this->definition['refTable'];
}
public function getAssociationClassName()
{
return $this->definition['refClass'];
}
/**
* getRelationDql
*
* @param integer $count
* @return string
*/
public function getRelationDql($count, $context = 'record')
{
//$table = $this->definition['refTable'];
$assocRelationName = isset($this->definition['refReverseRelationName']) ?
$this->definition['refReverseRelationName'] : $this->definition['refClass'];
/*if ($this->definition['localTable'] === $this->definition['table']) {
echo $this->definition['class'];
$rel = $this->definition['table']->getRelation('User');
$relationName = $rel->getRelationName();
}*/
//var_dump($this->definition['foreign']) . "<br />";
//echo $component;
//$rel = $this->definition['refTable']->getRelation($this->_foreignMapper->getComponentName());
//echo "LOCAL:" . $rel->getLocal() . "<br />";
$relatedClassName = $this->_foreignMapper->getComponentName();
switch ($context) {
case "record":
$sub = substr(str_repeat("?, ", $count),0,-2);
$dql = "FROM $relatedClassName";
$dql .= " INNER JOIN $relatedClassName.$assocRelationName";
//$dql .= " ON $relatedClassName.$assocRelationName.$inverseJoinColumn = $relatedClassName.$relatedClassIdentifier";
$dql .= " WHERE $relatedClassName.$assocRelationName.{$this->definition['local']} IN ($sub)";
break;
case "collection":
$sub = substr(str_repeat("?, ", $count),0,-2);
$dql = "FROM $assocRelationName INNER JOIN $assocRelationName.$relatedClassName";
//$dql .= " ON $relatedClassName.$assocRelationName.$inverseJoinColumn = $relatedClassName.$relatedClassIdentifier";
$dql .= " WHERE $assocRelationName.{$this->definition['local']} IN ($sub)";
break;
}
return $dql;
}
/**
* fetchRelatedFor
*
* fetches a component related to given record
*
* @param Doctrine_Record $record
* @return Doctrine_Record|Doctrine_Collection
*/
public function fetchRelatedFor(Doctrine_Record $record)
{
$id = $record->getIncremented();
if (empty($id) || ! $this->_foreignMapper->getAttribute(Doctrine::ATTR_LOAD_REFERENCES)) {
$coll = new Doctrine_Collection($this->getForeignComponentName());
} else {
$query = Doctrine_Query::create()->parseQuery($this->getRelationDql(1));
//echo $query->getDql() . "<br />";
//echo $query->getSql() . "<br />";
//echo "<br /><br />";
$coll = Doctrine_Query::create()->query($this->getRelationDql(1), array($id));
}
$coll->setReference($record, $this);
return $coll;
}
}