Source of file OneToManyPersister.php
Size: 7,509 Bytes - Last Modified: 2013-05-11T09:51:12+02:00
/home/theseer/Downloads/Symfony/vendor/doctrine/orm/lib/Doctrine/ORM/Persisters/OneToManyPersister.php
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213 | <?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 MIT license. For more information, see * <http://www.doctrine-project.org>. */ namespace Doctrine\ORM\Persisters; use Doctrine\ORM\PersistentCollection, Doctrine\ORM\UnitOfWork; /** * Persister for one-to-many collections. * * @author Roman Borschel <roman@code-factory.org> * @author Guilherme Blanco <guilhermeblanco@hotmail.com> * @author Alexander <iam.asm89@gmail.com> * @since 2.0 */ 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(); $class = $this->_em->getClassMetadata($mapping['targetEntity']); return 'DELETE FROM ' . $this->quoteStrategy->getTableName($class, $this->platform) . ' WHERE ' . implode('= ? AND ', $class->getIdentifierColumnNames()) . ' = ?'; } /** * {@inheritdoc} * */ protected function _getDeleteRowSQLParameters(PersistentCollection $coll, $element) { return array_values($this->_uow->getEntityIdentifier($element)); } protected function _getInsertRowSQL(PersistentCollection $coll) { return "UPDATE xxx SET foreign_key = yyy WHERE foreign_key = zzz"; } /** * 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) {} /* 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) {} /** * {@inheritdoc} */ public function count(PersistentCollection $coll) { $mapping = $coll->getMapping(); $targetClass = $this->_em->getClassMetadata($mapping['targetEntity']); $sourceClass = $this->_em->getClassMetadata($mapping['sourceEntity']); $id = $this->_em->getUnitOfWork()->getEntityIdentifier($coll->getOwner()); $whereClauses = array(); $params = array(); foreach ($targetClass->associationMappings[$mapping['mappedBy']]['joinColumns'] as $joinColumn) { $whereClauses[] = $joinColumn['name'] . ' = ?'; $params[] = ($targetClass->containsForeignIdentifier) ? $id[$sourceClass->getFieldForColumn($joinColumn['referencedColumnName'])] : $id[$sourceClass->fieldNames[$joinColumn['referencedColumnName']]]; } $filterTargetClass = $this->_em->getClassMetadata($targetClass->rootEntityName); foreach ($this->_em->getFilters()->getEnabledFilters() as $filter) { if ($filterExpr = $filter->addFilterConstraint($filterTargetClass, 't')) { $whereClauses[] = '(' . $filterExpr . ')'; } } $sql = 'SELECT count(*)' . ' FROM ' . $this->quoteStrategy->getTableName($targetClass, $this->platform) . ' t' . ' WHERE ' . implode(' AND ', $whereClauses); return $this->_conn->fetchColumn($sql, $params); } /** * @param PersistentCollection $coll * @param int $offset * @param int $length * @return \Doctrine\Common\Collections\ArrayCollection */ public function slice(PersistentCollection $coll, $offset, $length = null) { $mapping = $coll->getMapping(); $uow = $this->_em->getUnitOfWork(); $persister = $uow->getEntityPersister($mapping['targetEntity']); return $persister->getOneToManyCollection($mapping, $coll->getOwner(), $offset, $length); } /** * @param PersistentCollection $coll * @param object $element * @return boolean */ public function contains(PersistentCollection $coll, $element) { $mapping = $coll->getMapping(); $uow = $this->_em->getUnitOfWork(); // shortcut for new entities $entityState = $uow->getEntityState($element, UnitOfWork::STATE_NEW); if ($entityState === UnitOfWork::STATE_NEW) { return false; } // Entity is scheduled for inclusion if ($entityState === UnitOfWork::STATE_MANAGED && $uow->isScheduledForInsert($element)) { return false; } $persister = $uow->getEntityPersister($mapping['targetEntity']); // only works with single id identifier entities. Will throw an // exception in Entity Persisters if that is not the case for the // 'mappedBy' field. $id = current( $uow->getEntityIdentifier($coll->getOwner())); return $persister->exists($element, array($mapping['mappedBy'] => $id)); } /** * @param PersistentCollection $coll * @param object $element * @return boolean */ public function removeElement(PersistentCollection $coll, $element) { $uow = $this->_em->getUnitOfWork(); // shortcut for new entities $entityState = $uow->getEntityState($element, UnitOfWork::STATE_NEW); if ($entityState === UnitOfWork::STATE_NEW) { return false; } // If Entity is scheduled for inclusion, it is not in this collection. // We can assure that because it would have return true before on array check if ($entityState === UnitOfWork::STATE_MANAGED && $uow->isScheduledForInsert($element)) { return false; } $mapping = $coll->getMapping(); $class = $this->_em->getClassMetadata($mapping['targetEntity']); $sql = 'DELETE FROM ' . $this->quoteStrategy->getTableName($class, $this->platform) . ' WHERE ' . implode('= ? AND ', $class->getIdentifierColumnNames()) . ' = ?'; return (bool) $this->_conn->executeUpdate($sql, $this->_getDeleteRowSQLParameters($coll, $element)); } } |