163 lines
5.1 KiB
PHP
163 lines
5.1 KiB
PHP
<?php
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/*
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* $Id$
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the LGPL. For more information, see
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* <http://www.doctrine-project.org>.
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*/
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namespace Doctrine\ORM\Persisters;
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use Doctrine\ORM\EntityManager;
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use Doctrine\ORM\PersistentCollection;
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/**
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* Base class for all collection persisters.
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*
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* @since 2.0
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* @author Roman Borschel <roman@code-factory.org>
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*/
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abstract class AbstractCollectionPersister
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{
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protected $_em;
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protected $_conn;
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protected $_uow;
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/**
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* Initializes a new instance of a class derived from {@link AbstractCollectionPersister}.
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*
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* @param Doctrine\ORM\EntityManager $em
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*/
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public function __construct(EntityManager $em)
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{
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$this->_em = $em;
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$this->_uow = $em->getUnitOfWork();
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$this->_conn = $em->getConnection();
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}
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public function recreate(PersistentCollection $coll)
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{
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if ($coll->getRelation()->isInverseSide()) {
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return;
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}
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//...
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}
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/**
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* Deletes the persistent state represented by the given collection.
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*
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* @param PersistentCollection $coll
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*/
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public function delete(PersistentCollection $coll)
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{
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if ($coll->getMapping()->isInverseSide()) {
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return; // ignore inverse side
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}
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$sql = $this->_getDeleteSql($coll);
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$this->_conn->exec($sql, $this->_getDeleteSqlParameters($coll));
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}
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/**
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* Gets the SQL statement for deleting the given collection.
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*
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* @param PersistentCollection $coll
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*/
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abstract protected function _getDeleteSql(PersistentCollection $coll);
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/**
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* Gets the SQL parameters for the corresponding SQL statement to delete
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* the given collection.
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*
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* @param PersistentCollection $coll
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*/
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abstract protected function _getDeleteSqlParameters(PersistentCollection $coll);
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/**
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* Updates the given collection, synchronizing it's state with the database
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* by inserting, updating and deleting individual elements.
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*
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* @param PersistentCollection $coll
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*/
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public function update(PersistentCollection $coll)
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{
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if ($coll->getMapping()->isInverseSide()) {
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return; // ignore inverse side
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}
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$this->deleteRows($coll);
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//$this->updateRows($coll);
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$this->insertRows($coll);
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}
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public function deleteRows(PersistentCollection $coll)
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{
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$deleteDiff = $coll->getDeleteDiff();
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$sql = $this->_getDeleteRowSql($coll);
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foreach ($deleteDiff as $element) {
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$this->_conn->exec($sql, $this->_getDeleteRowSqlParameters($coll, $element));
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}
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}
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public function updateRows(PersistentCollection $coll)
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{}
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public function insertRows(PersistentCollection $coll)
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{
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$insertDiff = $coll->getInsertDiff();
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$sql = $this->_getInsertRowSql($coll);
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foreach ($insertDiff as $element) {
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$this->_conn->exec($sql, $this->_getInsertRowSqlParameters($coll, $element));
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}
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}
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/**
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* Gets the SQL statement used for deleting a row from the collection.
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*
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* @param PersistentCollection $coll
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*/
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abstract protected function _getDeleteRowSql(PersistentCollection $coll);
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/**
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* Gets the SQL parameters for the corresponding SQL statement to delete the given
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* element from the given collection.
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*
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* @param PersistentCollection $coll
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* @param mixed $element
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*/
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abstract protected function _getDeleteRowSqlParameters(PersistentCollection $coll, $element);
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/**
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* Gets the SQL statement used for updating a row in the collection.
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*
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* @param PersistentCollection $coll
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*/
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abstract protected function _getUpdateRowSql(PersistentCollection $coll);
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/**
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* Gets the SQL statement used for inserting a row from to the collection.
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*
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* @param PersistentCollection $coll
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*/
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abstract protected function _getInsertRowSql(PersistentCollection $coll);
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/**
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* Gets the SQL parameters for the corresponding SQL statement to insert the given
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* element of the given collection into the database.
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*
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* @param PersistentCollection $coll
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* @param mixed $element
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*/
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abstract protected function _getInsertRowSqlParameters(PersistentCollection $coll, $element);
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} |