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doctrine2/lib/Doctrine/Relation/Association/Self.php
2007-05-16 21:51:23 +00:00

110 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_Association');
/**
* Doctrine_Relation_Association_Self
*
* @package Doctrine
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @category Object Relational Mapping
* @link www.phpdoctrine.com
* @since 1.0
* @version $Revision$
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
*/
class Doctrine_Relation_Association_Self extends Doctrine_Relation_Association
{
/**
* getRelationDql
*
* @param integer $count
* @return string
*/
public function getRelationDql($count, $context = 'record')
{
switch ($context) {
case 'record':
$sub = 'SELECT '.$this->definition['foreign']
. ' FROM '.$this->definition['assocTable']->getTableName()
. ' WHERE '.$this->definition['local']
. ' = ?';
$sub2 = 'SELECT '.$this->definition['local']
. ' FROM '.$this->definition['assocTable']->getTableName()
. ' WHERE '.$this->definition['foreign']
. ' = ?';
$dql = 'FROM ' . $this->definition['table']->getComponentName()
. '.' . $this->definition['assocTable']->getComponentName()
. ' WHERE ' . $this->definition['table']->getComponentName()
. '.' . $this->definition['table']->getIdentifier()
. ' IN (' . $sub . ')'
. ' || ' . $this->definition['table']->getComponentName()
. '.' . $this->definition['table']->getIdentifier()
. ' IN (' . $sub2 . ')';
break;
case 'collection':
$sub = substr(str_repeat('?, ', $count),0,-2);
$dql = 'FROM '.$this->definition['assocTable']->getComponentName()
. '.' . $this->definition['table']->getComponentName()
. ' WHERE '.$this->definition['assocTable']->getComponentName()
. '.' . $this->definition['local'] . ' IN (' . $sub . ')';
};
return $dql;
}
public function fetchRelatedFor(Doctrine_Record $record)
{
$id = $record->getIncremented();
$q = new Doctrine_RawSql();
$assocTable = $this->getAssociationFactory()->getTableName();
$tableName = $record->getTable()->getTableName();
$identifier = $record->getTable()->getIdentifier();
$sub = 'SELECT '.$this->getForeign().
' FROM '.$assocTable.
' WHERE '.$this->getLocal().
' = ?';
$sub2 = 'SELECT '.$this->getLocal().
' FROM '.$assocTable.
' WHERE '.$this->getForeign().
' = ?';
$q->select('{'.$tableName.'.*}, {'.$assocTable.'.*}')
->from($tableName . ' INNER JOIN '.$assocTable.' ON '.
$tableName . '.' . $identifier . ' = ' . $assocTable . '.' . $this->getLocal() . ' OR ' .
$tableName . '.' . $identifier . ' = ' . $assocTable . '.' . $this->getForeign()
)
->where($tableName.'.'.$identifier.' IN ('.$sub.') OR '.
$tableName.'.'.$identifier.' IN ('.$sub2.')'
);
$q->addComponent($tableName, $record->getTable()->getComponentName());
$q->addComponent($assocTable, $record->getTable()->getComponentName(). '.' . $this->getAssociationFactory()->getComponentName());
return $q->execute(array($id, $id));
}
}