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<?php
/*
* $Id: Association.php 10831 2013-05-29 19:32:17Z btowles $
*
* 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.doctrine-project.org>.
*/
/**
* Doctrine_Relation_Association this class takes care of association mapping
* (= many-to-many relationships, where the relationship is handled with an additional relational table
* which holds 2 foreign keys)
*
*
* @package Doctrine
* @subpackage Relation
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.doctrine-project.org
* @since 1.0
* @version $Revision: 7490 $
* @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'];
}
/**
* getRelationDql
*
* @param integer $count
* @return string
*/
public function getRelationDql($count, $context = 'record')
{
$table = $this->definition['refTable'];
$component = $this->definition['refTable']->getComponentName();
switch ($context) {
case "record":
$sub = substr(str_repeat("?, ", $count),0,-2);
$dql = 'FROM ' . $this->getTable()->getComponentName();
$dql .= '.' . $component;
$dql .= ' WHERE ' . $this->getTable()->getComponentName()
. '.' . $component . '.' . $this->getLocalRefColumnName() . ' IN (' . $sub . ')';
$dql .= $this->getOrderBy($this->getTable()->getComponentName(), false);
break;
case "collection":
$sub = substr(str_repeat("?, ", $count),0,-2);
$dql = 'FROM ' . $component . '.' . $this->getTable()->getComponentName();
$dql .= ' WHERE ' . $component . '.' . $this->getLocalRefColumnName() . ' IN (' . $sub . ')';
$dql .= $this->getOrderBy($component, false);
break;
}
return $dql;
}
/**
* getLocalRefColumnName
* returns the column name of the local reference column
*/
final public function getLocalRefColumnName()
{
return $this->definition['refTable']->getColumnName($this->definition['local']);
}
/**
* getLocalRefFieldName
* returns the field name of the local reference column
*/
final public function getLocalRefFieldName()
{
return $this->definition['refTable']->getFieldName($this->definition['local']);
}
/**
* getForeignRefColumnName
* returns the column name of the foreign reference column
*/
final public function getForeignRefColumnName()
{
return $this->definition['refTable']->getColumnName($this->definition['foreign']);
}
/**
* getForeignRefFieldName
* returns the field name of the foreign reference column
*/
final public function getForeignRefFieldName()
{
return $this->definition['refTable']->getFieldName($this->definition['foreign']);
}
/**
* 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->definition['table']->getAttribute(Doctrine_Core::ATTR_LOAD_REFERENCES)) {
$coll = Doctrine_Collection::create($this->getTable());
} else {
$coll = $this->getTable()->getConnection()->query($this->getRelationDql(1), array($id));
}
$coll->setReference($record, $this);
return $coll;
}
}