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

164 lines
5.1 KiB
PHP

<?php
/*
* 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\EntityManager,
Doctrine\ORM\PersistentCollection;
/**
* Base class for all collection persisters.
*
* @since 2.0
* @author Roman Borschel <roman@code-factory.org>
*/
abstract class AbstractCollectionPersister
{
/**
* @var EntityManager
*/
protected $_em;
/**
* @var Doctrine\DBAL\Connection
*/
protected $_conn;
/**
* @var Doctrine\ORM\UnitOfWork
*/
protected $_uow;
/**
* Initializes a new instance of a class derived from AbstractCollectionPersister.
*
* @param Doctrine\ORM\EntityManager $em
*/
public function __construct(EntityManager $em)
{
$this->_em = $em;
$this->_uow = $em->getUnitOfWork();
$this->_conn = $em->getConnection();
}
/**
* Deletes the persistent state represented by the given collection.
*
* @param PersistentCollection $coll
*/
public function delete(PersistentCollection $coll)
{
if ( ! $coll->getMapping()->isOwningSide) {
return; // ignore inverse side
}
$sql = $this->_getDeleteSQL($coll);
$this->_conn->executeUpdate($sql, $this->_getDeleteSQLParameters($coll));
}
/**
* Gets the SQL statement for deleting the given collection.
*
* @param PersistentCollection $coll
*/
abstract protected function _getDeleteSQL(PersistentCollection $coll);
/**
* Gets the SQL parameters for the corresponding SQL statement to delete
* the given collection.
*
* @param PersistentCollection $coll
*/
abstract protected function _getDeleteSQLParameters(PersistentCollection $coll);
/**
* Updates the given collection, synchronizing it's state with the database
* by inserting, updating and deleting individual elements.
*
* @param PersistentCollection $coll
*/
public function update(PersistentCollection $coll)
{
if ( ! $coll->getMapping()->isOwningSide) {
return; // ignore inverse side
}
$this->deleteRows($coll);
//$this->updateRows($coll);
$this->insertRows($coll);
}
public function deleteRows(PersistentCollection $coll)
{
$deleteDiff = $coll->getDeleteDiff();
$sql = $this->_getDeleteRowSQL($coll);
foreach ($deleteDiff as $element) {
$this->_conn->executeUpdate($sql, $this->_getDeleteRowSQLParameters($coll, $element));
}
}
//public function updateRows(PersistentCollection $coll)
//{}
public function insertRows(PersistentCollection $coll)
{
$insertDiff = $coll->getInsertDiff();
$sql = $this->_getInsertRowSQL($coll);
foreach ($insertDiff as $element) {
$this->_conn->executeUpdate($sql, $this->_getInsertRowSQLParameters($coll, $element));
}
}
/**
* Gets the SQL statement used for deleting a row from the collection.
*
* @param PersistentCollection $coll
*/
abstract protected function _getDeleteRowSQL(PersistentCollection $coll);
/**
* Gets the SQL parameters for the corresponding SQL statement to delete the given
* element from the given collection.
*
* @param PersistentCollection $coll
* @param mixed $element
*/
abstract protected function _getDeleteRowSQLParameters(PersistentCollection $coll, $element);
/**
* Gets the SQL statement used for updating a row in the collection.
*
* @param PersistentCollection $coll
*/
abstract protected function _getUpdateRowSQL(PersistentCollection $coll);
/**
* Gets the SQL statement used for inserting a row in the collection.
*
* @param PersistentCollection $coll
*/
abstract protected function _getInsertRowSQL(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
*/
abstract protected function _getInsertRowSQLParameters(PersistentCollection $coll, $element);
}