doctrine2/lib/Doctrine/ORM/Persisters/ManyToManyPersister.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.doctrine-project.org>.
 */

namespace Doctrine\ORM\Persisters;

/**
 * Persister for many-to-many collections.
 *
 * @author robo
 */
class ManyToManyPersister extends AbstractCollectionPersister
{
    /**
     *
     * @param <type> $coll
     * @override
     * @todo Identifier quoting.
     * @see _getDeleteRowSqlParameters()
     */
    protected function _getDeleteRowSql(PersistentCollection $coll)
    {
        $mapping = $coll->getMapping();
        $joinTable = $mapping->getJoinTable();
        $columns = array_merge($mapping->getSourceKeyColumns(), $mapping->getTargetKeyColumns());
        return "DELETE FROM $joinTable WHERE " . implode(' = ?, ', $columns) . ' = ?';
    }

    /**
     *
     * @param <type> $element
     * @override
     * @see _getDeleteRowSql()
     */
    protected function _getDeleteRowSqlParameters(PersistentCollection $coll, $element)
    {
        $owner = $coll->getOwner();

        
        
    }
}