--- /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\Mapping\ClassMetadata,
+ Doctrine\ORM\PersistentCollection,
+ Doctrine\ORM\UnitOfWork;
+
+/**
+ * Persister for many-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 ManyToManyPersister extends AbstractCollectionPersister
+{
+ /**
+ * {@inheritdoc}
+ *
+ * @override
+ */
+ protected function _getDeleteRowSQL(PersistentCollection $coll)
+ {
+ $columns = array();
+ $mapping = $coll->getMapping();
+ $class = $this->_em->getClassMetadata(get_class($coll->getOwner()));
+
+ foreach ($mapping['joinTable']['joinColumns'] as $joinColumn) {
+ $columns[] = $this->quoteStrategy->getJoinColumnName($joinColumn, $class, $this->platform);
+ }
+
+ foreach ($mapping['joinTable']['inverseJoinColumns'] as $joinColumn) {
+ $columns[] = $this->quoteStrategy->getJoinColumnName($joinColumn, $class, $this->platform);
+ }
+
+ return 'DELETE FROM ' . $this->quoteStrategy->getJoinTableName($mapping, $class, $this->platform)
+ . ' 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)
+ {
+ $columns = array();
+ $mapping = $coll->getMapping();
+ $class = $this->_em->getClassMetadata(get_class($coll->getOwner()));
+ $joinTable = $this->quoteStrategy->getJoinTableName($mapping, $class, $this->platform);
+
+ foreach ($mapping['joinTable']['joinColumns'] as $joinColumn) {
+ $columns[] = $this->quoteStrategy->getJoinColumnName($joinColumn, $class, $this->platform);
+ }
+
+ foreach ($mapping['joinTable']['inverseJoinColumns'] as $joinColumn) {
+ $columns[] = $this->quoteStrategy->getJoinColumnName($joinColumn, $class, $this->platform);
+ }
+
+ return 'INSERT INTO ' . $joinTable . ' (' . 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) {
+ $isRelationToSource = isset($mapping['relationToSourceKeyColumns'][$joinTableColumn]);
+
+ if ( ! $isComposite) {
+ $params[] = $isRelationToSource ? array_pop($identifier1) : array_pop($identifier2);
+
+ continue;
+ }
+
+ if ($isRelationToSource) {
+ $params[] = $identifier1[$class1->getFieldForColumn($mapping['relationToSourceKeyColumns'][$joinTableColumn])];
+
+ continue;
+ }
+
+ $params[] = $identifier2[$class2->getFieldForColumn($mapping['relationToTargetKeyColumns'][$joinTableColumn])];
+ }
+
+ return $params;
+ }
+
+ /**
+ * {@inheritdoc}
+ *
+ * @override
+ */
+ protected function _getDeleteSQL(PersistentCollection $coll)
+ {
+ $columns = array();
+ $mapping = $coll->getMapping();
+ $class = $this->_em->getClassMetadata(get_class($coll->getOwner()));
+ $joinTable = $this->quoteStrategy->getJoinTableName($mapping, $class, $this->platform);
+
+ foreach ($mapping['joinTable']['joinColumns'] as $joinColumn) {
+ $columns[] = $this->quoteStrategy->getJoinColumnName($joinColumn, $class, $this->platform);
+ }
+
+ return 'DELETE FROM ' . $joinTable
+ . ' WHERE ' . implode(' = ? AND ', $columns) . ' = ?';
+ }
+
+ /**
+ * {@inheritdoc}
+ *
+ * @override
+ * @internal Order of the parameters must be the same as the order of the columns in
+ * _getDeleteSql.
+ */
+ protected function _getDeleteSQLParameters(PersistentCollection $coll)
+ {
+ $identifier = $this->_uow->getEntityIdentifier($coll->getOwner());
+ $mapping = $coll->getMapping();
+ $params = array();
+
+ // Optimization for single column identifier
+ if (count($mapping['relationToSourceKeyColumns']) === 1) {
+ $params[] = array_pop($identifier);
+
+ return $params;
+ }
+
+ // Composite identifier
+ $sourceClass = $this->_em->getClassMetadata(get_class($coll->getOwner()));
+
+ foreach ($mapping['relationToSourceKeyColumns'] as $srcColumn) {
+ $params[] = $identifier[$sourceClass->fieldNames[$srcColumn]];
+ }
+
+ return $params;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function count(PersistentCollection $coll)
+ {
+ $conditions = array();
+ $params = array();
+ $mapping = $coll->getMapping();
+ $association = $mapping;
+ $class = $this->_em->getClassMetadata($mapping['sourceEntity']);
+ $id = $this->_em->getUnitOfWork()->getEntityIdentifier($coll->getOwner());
+
+ if ( ! $mapping['isOwningSide']) {
+ $targetEntity = $this->_em->getClassMetadata($mapping['targetEntity']);
+ $association = $targetEntity->associationMappings[$mapping['mappedBy']];
+ }
+
+ $joinColumns = ( ! $mapping['isOwningSide'])
+ ? $association['joinTable']['inverseJoinColumns']
+ : $association['joinTable']['joinColumns'];
+
+ foreach ($joinColumns as $joinColumn) {
+ $columnName = $this->quoteStrategy->getJoinColumnName($joinColumn, $class, $this->platform);
+ $referencedName = $joinColumn['referencedColumnName'];
+ $conditions[] = $columnName . ' = ?';
+ $params[] = ($class->containsForeignIdentifier)
+ ? $id[$class->getFieldForColumn($referencedName)]
+ : $id[$class->fieldNames[$referencedName]];
+ }
+
+ $joinTableName = $this->quoteStrategy->getJoinTableName($association, $class, $this->platform);
+ list($joinTargetEntitySQL, $filterSql) = $this->getFilterSql($mapping);
+
+ if ($filterSql) {
+ $conditions[] = $filterSql;
+ }
+
+ $sql = 'SELECT COUNT(*)'
+ . ' FROM ' . $joinTableName . ' t'
+ . $joinTargetEntitySQL
+ . ' WHERE ' . implode(' AND ', $conditions);
+
+ 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
+ * @return boolean
+ */
+ public function contains(PersistentCollection $coll, $element)
+ {
+ $uow = $this->_em->getUnitOfWork();
+
+ // Shortcut for new entities
+ $entityState = $uow->getEntityState($element, UnitOfWork::STATE_NEW);
+
+ if ($entityState === UnitOfWork::STATE_NEW) {
+ return false;
+ }
+
+ // Entity is scheduled for inclusion
+ if ($entityState === UnitOfWork::STATE_MANAGED && $uow->isScheduledForInsert($element)) {
+ return false;
+ }
+
+ list($quotedJoinTable, $whereClauses, $params) = $this->getJoinTableRestrictions($coll, $element, true);
+
+ $sql = 'SELECT 1 FROM ' . $quotedJoinTable . ' WHERE ' . implode(' AND ', $whereClauses);
+
+ return (bool) $this->_conn->fetchColumn($sql, $params);
+ }
+
+ /**
+ * @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;
+ }
+
+ list($quotedJoinTable, $whereClauses, $params) = $this->getJoinTableRestrictions($coll, $element, false);
+
+ $sql = 'DELETE FROM ' . $quotedJoinTable . ' WHERE ' . implode(' AND ', $whereClauses);
+
+ return (bool) $this->_conn->executeUpdate($sql, $params);
+ }
+
+ /**
+ * @param \Doctrine\ORM\PersistentCollection $coll
+ * @param object $element
+ * @param boolean $addFilters Whether the filter SQL should be included or not.
+ * @return array
+ */
+ private function getJoinTableRestrictions(PersistentCollection $coll, $element, $addFilters)
+ {
+ $uow = $this->_em->getUnitOfWork();
+ $mapping = $filterMapping = $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);
+ }
+
+ $quotedJoinTable = $this->quoteStrategy->getJoinTableName($mapping, $sourceClass, $this->platform);
+ $whereClauses = array();
+ $params = array();
+
+ foreach ($mapping['joinTableColumns'] as $joinTableColumn) {
+ $whereClauses[] = $joinTableColumn . ' = ?';
+
+ if (isset($mapping['relationToTargetKeyColumns'][$joinTableColumn])) {
+ $params[] = ($targetClass->containsForeignIdentifier)
+ ? $targetId[$targetClass->getFieldForColumn($mapping['relationToTargetKeyColumns'][$joinTableColumn])]
+ : $targetId[$targetClass->fieldNames[$mapping['relationToTargetKeyColumns'][$joinTableColumn]]];
+ continue;
+ }
+
+ // relationToSourceKeyColumns
+ $params[] = ($sourceClass->containsForeignIdentifier)
+ ? $sourceId[$sourceClass->getFieldForColumn($mapping['relationToSourceKeyColumns'][$joinTableColumn])]
+ : $sourceId[$sourceClass->fieldNames[$mapping['relationToSourceKeyColumns'][$joinTableColumn]]];
+ }
+
+ if ($addFilters) {
+ list($joinTargetEntitySQL, $filterSql) = $this->getFilterSql($filterMapping);
+ if ($filterSql) {
+ $quotedJoinTable .= ' t ' . $joinTargetEntitySQL;
+ $whereClauses[] = $filterSql;
+ }
+ }
+
+ return array($quotedJoinTable, $whereClauses, $params);
+ }
+
+ /**
+ * Generates the filter SQL for a given mapping.
+ *
+ * This method is not used for actually grabbing the related entities
+ * but when the extra-lazy collection methods are called on a filtered
+ * association. This is why besides the many to many table we also
+ * have to join in the actual entities table leading to additional
+ * JOIN.
+ *
+ * @param array $mapping Array containing mapping information.
+ *
+ * @return string The SQL query part to add to a query.
+ */
+ public function getFilterSql($mapping)
+ {
+ $targetClass = $this->_em->getClassMetadata($mapping['targetEntity']);
+
+ if ($mapping['isOwningSide']) {
+ $joinColumns = $mapping['relationToTargetKeyColumns'];
+ } else {
+ $mapping = $targetClass->associationMappings[$mapping['mappedBy']];
+ $joinColumns = $mapping['relationToSourceKeyColumns'];
+ }
+
+ $targetClass = $this->_em->getClassMetadata($targetClass->rootEntityName);
+
+ // A join is needed if there is filtering on the target entity
+ $joinTargetEntitySQL = '';
+ if ($filterSql = $this->generateFilterConditionSQL($targetClass, 'te')) {
+ $joinTargetEntitySQL = ' JOIN '
+ . $this->quoteStrategy->getTableName($targetClass, $this->platform) . ' te'
+ . ' ON';
+
+ $joinTargetEntitySQLClauses = array();
+ foreach ($joinColumns as $joinTableColumn => $targetTableColumn) {
+ $joinTargetEntitySQLClauses[] = ' t.' . $joinTableColumn . ' = ' . 'te.' . $targetTableColumn;
+ }
+
+ $joinTargetEntitySQL .= implode(' AND ', $joinTargetEntitySQLClauses);
+ }
+
+ return array($joinTargetEntitySQL, $filterSql);
+ }
+
+ /**
+ * Generates the filter SQL for a given entity and table alias.
+ *
+ * @param ClassMetadata $targetEntity Metadata of the target entity.
+ * @param string $targetTableAlias The table alias of the joined/selected table.
+ *
+ * @return string The SQL query part to add to a query.
+ */
+ protected function generateFilterConditionSQL(ClassMetadata $targetEntity, $targetTableAlias)
+ {
+ $filterClauses = array();
+
+ foreach ($this->_em->getFilters()->getEnabledFilters() as $filter) {
+ if ($filterExpr = $filter->addFilterConstraint($targetEntity, $targetTableAlias)) {
+ $filterClauses[] = '(' . $filterExpr . ')';
+ }
+ }
+
+ $sql = implode(' AND ', $filterClauses);
+ return $sql ? "(" . $sql . ")" : "";
+ }
+}
projects / zf2.biz / application_blanche.git / blobdiff