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doctrine2/lib/Doctrine/ORM/Persisters/OneToManyPersister.php

119 lines
3.9 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.doctrine-project.org>.
*/
namespace Doctrine\ORM\Persisters;
use Doctrine\ORM\PersistentCollection;
/**
* Persister for one-to-many collections.
*
* IMPORTANT:
* This persister is only used for uni-directional one-to-many mappings on a foreign key
* (which are not yet supported). So currently this persister is not used.
*
* @since 2.0
* @author Roman Borschel <roman@code-factory.org>
* @todo Remove
*/
class OneToManyPersister extends AbstractCollectionPersister
{
/**
* Generates the SQL UPDATE that updates a particular row's foreign
* key to null.
*
* @param PersistentCollection $coll
* @return string
* @override
*/
protected function _getDeleteRowSql(PersistentCollection $coll)
{
$mapping = $coll->getMapping();
$targetClass = $this->_em->getClassMetadata($mapping->getTargetEntityName());
$table = $targetClass->getTableName();
$ownerMapping = $targetClass->getAssociationMapping($mapping->mappedBy);
$setClause = '';
foreach ($ownerMapping->sourceToTargetKeyColumns as $sourceCol => $targetCol) {
if ($setClause != '') $setClause .= ', ';
$setClause .= "$sourceCol = NULL";
}
$whereClause = '';
foreach ($targetClass->getIdentifierColumnNames() as $idColumn) {
if ($whereClause != '') $whereClause .= ' AND ';
$whereClause .= "$idColumn = ?";
}
return array("UPDATE $table SET $setClause WHERE $whereClause", $this->_uow->getEntityIdentifier($element));
}
protected function _getInsertRowSql(PersistentCollection $coll)
{
return "UPDATE xxx SET foreign_key = yyy WHERE foreign_key = zzz";
}
/* Not used for OneToManyPersister */
protected function _getUpdateRowSql(PersistentCollection $coll)
{
return;
}
/**
* Generates the SQL UPDATE that updates all the foreign keys to null.
*
* @param PersistentCollection $coll
*/
protected function _getDeleteSql(PersistentCollection $coll)
{
}
/**
* Gets the SQL parameters for the corresponding SQL statement to delete
* the given collection.
*
* @param PersistentCollection $coll
*/
protected function _getDeleteSqlParameters(PersistentCollection $coll)
{}
/**
* Gets the SQL parameters for the corresponding SQL statement to insert the given
* element of the given collection into the database.
*
* @param PersistentCollection $coll
* @param mixed $element
*/
protected function _getInsertRowSqlParameters(PersistentCollection $coll, $element)
{}
/**
* Gets the SQL parameters for the corresponding SQL statement to delete the given
* element from the given collection.
*
* @param PersistentCollection $coll
* @param mixed $element
*/
protected function _getDeleteRowSqlParameters(PersistentCollection $coll, $element)
{}
}