--- /dev/null
+<?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));
+ }
+}