--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/doctrine/lib/Doctrine/ORM/Persisters/ManyToManyPersister.php Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,300 @@
+<?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,
+ Doctrine\ORM\UnitOfWork;
+
+/**
+ * Persister for many-to-many collections.
+ *
+ * @author Roman Borschel <roman@code-factory.org>
+ * @since 2.0
+ */
+class ManyToManyPersister extends AbstractCollectionPersister
+{
+ /**
+ * {@inheritdoc}
+ *
+ * @override
+ */
+ protected function _getDeleteRowSQL(PersistentCollection $coll)
+ {
+ $mapping = $coll->getMapping();
+ $joinTable = $mapping['joinTable'];
+ $columns = $mapping['joinTableColumns'];
+ return 'DELETE FROM ' . $joinTable['name'] . ' WHERE ' . implode(' = ? AND ', $columns) . ' = ?';
+ }
+
+ /**
+ * {@inheritdoc}
+ *
+ * @override
+ * @internal Order of the parameters must be the same as the order of the columns in
+ * _getDeleteRowSql.
+ */
+ protected function _getDeleteRowSQLParameters(PersistentCollection $coll, $element)
+ {
+ return $this->_collectJoinTableColumnParameters($coll, $element);
+ }
+
+ /**
+ * {@inheritdoc}
+ *
+ * @override
+ */
+ protected function _getUpdateRowSQL(PersistentCollection $coll)
+ {}
+
+ /**
+ * {@inheritdoc}
+ *
+ * @override
+ * @internal Order of the parameters must be the same as the order of the columns in
+ * _getInsertRowSql.
+ */
+ protected function _getInsertRowSQL(PersistentCollection $coll)
+ {
+ $mapping = $coll->getMapping();
+ $joinTable = $mapping['joinTable'];
+ $columns = $mapping['joinTableColumns'];
+ return 'INSERT INTO ' . $joinTable['name'] . ' (' . implode(', ', $columns) . ')'
+ . ' VALUES (' . implode(', ', array_fill(0, count($columns), '?')) . ')';
+ }
+
+ /**
+ * {@inheritdoc}
+ *
+ * @override
+ * @internal Order of the parameters must be the same as the order of the columns in
+ * _getInsertRowSql.
+ */
+ protected function _getInsertRowSQLParameters(PersistentCollection $coll, $element)
+ {
+ return $this->_collectJoinTableColumnParameters($coll, $element);
+ }
+
+ /**
+ * Collects the parameters for inserting/deleting on the join table in the order
+ * of the join table columns as specified in ManyToManyMapping#joinTableColumns.
+ *
+ * @param $coll
+ * @param $element
+ * @return array
+ */
+ private function _collectJoinTableColumnParameters(PersistentCollection $coll, $element)
+ {
+ $params = array();
+ $mapping = $coll->getMapping();
+ $isComposite = count($mapping['joinTableColumns']) > 2;
+
+ $identifier1 = $this->_uow->getEntityIdentifier($coll->getOwner());
+ $identifier2 = $this->_uow->getEntityIdentifier($element);
+
+ if ($isComposite) {
+ $class1 = $this->_em->getClassMetadata(get_class($coll->getOwner()));
+ $class2 = $coll->getTypeClass();
+ }
+
+ foreach ($mapping['joinTableColumns'] as $joinTableColumn) {
+ if (isset($mapping['relationToSourceKeyColumns'][$joinTableColumn])) {
+ if ($isComposite) {
+ if ($class1->containsForeignIdentifier) {
+ $params[] = $identifier1[$class1->getFieldForColumn($mapping['relationToSourceKeyColumns'][$joinTableColumn])];
+ } else {
+ $params[] = $identifier1[$class1->fieldNames[$mapping['relationToSourceKeyColumns'][$joinTableColumn]]];
+ }
+ } else {
+ $params[] = array_pop($identifier1);
+ }
+ } else {
+ if ($isComposite) {
+ if ($class2->containsForeignIdentifier) {
+ $params[] = $identifier2[$class2->getFieldForColumn($mapping['relationToTargetKeyColumns'][$joinTableColumn])];
+ } else {
+ $params[] = $identifier2[$class2->fieldNames[$mapping['relationToTargetKeyColumns'][$joinTableColumn]]];
+ }
+ } else {
+ $params[] = array_pop($identifier2);
+ }
+ }
+ }
+
+ return $params;
+ }
+
+ /**
+ * {@inheritdoc}
+ *
+ * @override
+ */
+ protected function _getDeleteSQL(PersistentCollection $coll)
+ {
+ $mapping = $coll->getMapping();
+ $joinTable = $mapping['joinTable'];
+ $whereClause = '';
+ foreach ($mapping['relationToSourceKeyColumns'] as $relationColumn => $srcColumn) {
+ if ($whereClause !== '') $whereClause .= ' AND ';
+ $whereClause .= "$relationColumn = ?";
+ }
+ return 'DELETE FROM ' . $joinTable['name'] . ' WHERE ' . $whereClause;
+ }
+
+ /**
+ * {@inheritdoc}
+ *
+ * @override
+ * @internal Order of the parameters must be the same as the order of the columns in
+ * _getDeleteSql.
+ */
+ protected function _getDeleteSQLParameters(PersistentCollection $coll)
+ {
+ $params = array();
+ $mapping = $coll->getMapping();
+ $identifier = $this->_uow->getEntityIdentifier($coll->getOwner());
+ if (count($mapping['relationToSourceKeyColumns']) > 1) {
+ $sourceClass = $this->_em->getClassMetadata(get_class($mapping->getOwner()));
+ foreach ($mapping['relationToSourceKeyColumns'] as $relColumn => $srcColumn) {
+ $params[] = $identifier[$sourceClass->fieldNames[$srcColumn]];
+ }
+ } else {
+ $params[] = array_pop($identifier);
+ }
+
+ return $params;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function count(PersistentCollection $coll)
+ {
+ $params = array();
+ $mapping = $coll->getMapping();
+ $class = $this->_em->getClassMetadata($mapping['sourceEntity']);
+ $id = $this->_em->getUnitOfWork()->getEntityIdentifier($coll->getOwner());
+
+ if ($mapping['isOwningSide']) {
+ $joinTable = $mapping['joinTable'];
+ $joinColumns = $mapping['relationToSourceKeyColumns'];
+ } else {
+ $mapping = $this->_em->getClassMetadata($mapping['targetEntity'])->associationMappings[$mapping['mappedBy']];
+ $joinTable = $mapping['joinTable'];
+ $joinColumns = $mapping['relationToTargetKeyColumns'];
+ }
+
+ $whereClause = '';
+ foreach ($mapping['joinTableColumns'] as $joinTableColumn) {
+ if (isset($joinColumns[$joinTableColumn])) {
+ if ($whereClause !== '') {
+ $whereClause .= ' AND ';
+ }
+ $whereClause .= "$joinTableColumn = ?";
+
+ if ($class->containsForeignIdentifier) {
+ $params[] = $id[$class->getFieldForColumn($joinColumns[$joinTableColumn])];
+ } else {
+ $params[] = $id[$class->fieldNames[$joinColumns[$joinTableColumn]]];
+ }
+ }
+ }
+ $sql = 'SELECT count(*) FROM ' . $joinTable['name'] . ' WHERE ' . $whereClause;
+
+ return $this->_conn->fetchColumn($sql, $params);
+ }
+
+ /**
+ * @param PersistentCollection $coll
+ * @param int $offset
+ * @param int $length
+ * @return array
+ */
+ public function slice(PersistentCollection $coll, $offset, $length = null)
+ {
+ $mapping = $coll->getMapping();
+ return $this->_em->getUnitOfWork()
+ ->getEntityPersister($mapping['targetEntity'])
+ ->getManyToManyCollection($mapping, $coll->getOwner(), $offset, $length);
+ }
+
+ /**
+ * @param PersistentCollection $coll
+ * @param object $element
+ */
+ public function contains(PersistentCollection $coll, $element)
+ {
+ $uow = $this->_em->getUnitOfWork();
+
+ // shortcut for new entities
+ if ($uow->getEntityState($element, UnitOfWork::STATE_NEW) == UnitOfWork::STATE_NEW) {
+ return false;
+ }
+
+ $params = array();
+ $mapping = $coll->getMapping();
+
+ if (!$mapping['isOwningSide']) {
+ $sourceClass = $this->_em->getClassMetadata($mapping['targetEntity']);
+ $targetClass = $this->_em->getClassMetadata($mapping['sourceEntity']);
+ $sourceId = $uow->getEntityIdentifier($element);
+ $targetId = $uow->getEntityIdentifier($coll->getOwner());
+
+ $mapping = $sourceClass->associationMappings[$mapping['mappedBy']];
+ } else {
+ $sourceClass = $this->_em->getClassMetadata($mapping['sourceEntity']);
+ $targetClass = $this->_em->getClassMetadata($mapping['targetEntity']);
+ $sourceId = $uow->getEntityIdentifier($coll->getOwner());
+ $targetId = $uow->getEntityIdentifier($element);
+ }
+ $joinTable = $mapping['joinTable'];
+
+ $whereClause = '';
+ foreach ($mapping['joinTableColumns'] as $joinTableColumn) {
+ if (isset($mapping['relationToTargetKeyColumns'][$joinTableColumn])) {
+ if ($whereClause !== '') {
+ $whereClause .= ' AND ';
+ }
+ $whereClause .= "$joinTableColumn = ?";
+
+ if ($targetClass->containsForeignIdentifier) {
+ $params[] = $targetId[$targetClass->getFieldForColumn($mapping['relationToTargetKeyColumns'][$joinTableColumn])];
+ } else {
+ $params[] = $targetId[$targetClass->fieldNames[$mapping['relationToTargetKeyColumns'][$joinTableColumn]]];
+ }
+ } else if (isset($mapping['relationToSourceKeyColumns'][$joinTableColumn])) {
+ if ($whereClause !== '') {
+ $whereClause .= ' AND ';
+ }
+ $whereClause .= "$joinTableColumn = ?";
+
+ if ($sourceClass->containsForeignIdentifier) {
+ $params[] = $sourceId[$sourceClass->getFieldForColumn($mapping['relationToSourceKeyColumns'][$joinTableColumn])];
+ } else {
+ $params[] = $sourceId[$sourceClass->fieldNames[$mapping['relationToSourceKeyColumns'][$joinTableColumn]]];
+ }
+ }
+ }
+ $sql = 'SELECT 1 FROM ' . $joinTable['name'] . ' WHERE ' . $whereClause;
+
+ return (bool)$this->_conn->fetchColumn($sql, $params);
+ }
+}
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