624 lines
23 KiB
PHP
624 lines
23 KiB
PHP
<?php
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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 MIT license. 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\Common\Collections\Criteria;
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use Doctrine\ORM\Mapping\ClassMetadata;
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use Doctrine\ORM\PersistentCollection;
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use Doctrine\ORM\Query;
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use Doctrine\ORM\UnitOfWork;
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/**
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* Persister for many-to-many collections.
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*
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* @author Roman Borschel <roman@code-factory.org>
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* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
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* @author Alexander <iam.asm89@gmail.com>
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* @since 2.0
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*/
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class ManyToManyPersister extends AbstractCollectionPersister
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{
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/**
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* {@inheritdoc}
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*
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* @override
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*/
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protected function getDeleteRowSQL(PersistentCollection $coll)
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{
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$columns = array();
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$mapping = $coll->getMapping();
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$class = $this->em->getClassMetadata(get_class($coll->getOwner()));
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$tableName = $this->quoteStrategy->getJoinTableName($mapping, $class, $this->platform);
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foreach ($mapping['joinTable']['joinColumns'] as $joinColumn) {
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$columns[] = $this->quoteStrategy->getJoinColumnName($joinColumn, $class, $this->platform);
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}
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foreach ($mapping['joinTable']['inverseJoinColumns'] as $joinColumn) {
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$columns[] = $this->quoteStrategy->getJoinColumnName($joinColumn, $class, $this->platform);
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}
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return 'DELETE FROM ' . $tableName
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. ' WHERE ' . implode(' = ? AND ', $columns) . ' = ?';
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}
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/**
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* {@inheritdoc}
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*
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* @override
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*
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* @internal Order of the parameters must be the same as the order of the columns in getDeleteRowSql.
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*/
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protected function getDeleteRowSQLParameters(PersistentCollection $coll, $element)
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{
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return $this->collectJoinTableColumnParameters($coll, $element);
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}
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/**
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* {@inheritdoc}
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*
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* @throws \BadMethodCallException Not used for OneToManyPersister
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*/
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protected function getUpdateRowSQL(PersistentCollection $coll)
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{
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throw new \BadMethodCallException("Insert Row SQL is not used for ManyToManyPersister");
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}
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/**
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* {@inheritdoc}
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*
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* @override
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*
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* @internal Order of the parameters must be the same as the order of the columns in getInsertRowSql.
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*/
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protected function getInsertRowSQL(PersistentCollection $coll)
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{
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$columns = array();
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$mapping = $coll->getMapping();
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$class = $this->em->getClassMetadata(get_class($coll->getOwner()));
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$joinTable = $this->quoteStrategy->getJoinTableName($mapping, $class, $this->platform);
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foreach ($mapping['joinTable']['joinColumns'] as $joinColumn) {
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$columns[] = $this->quoteStrategy->getJoinColumnName($joinColumn, $class, $this->platform);
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}
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foreach ($mapping['joinTable']['inverseJoinColumns'] as $joinColumn) {
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$columns[] = $this->quoteStrategy->getJoinColumnName($joinColumn, $class, $this->platform);
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}
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return 'INSERT INTO ' . $joinTable . ' (' . implode(', ', $columns) . ')'
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. ' VALUES (' . implode(', ', array_fill(0, count($columns), '?')) . ')';
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}
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/**
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* {@inheritdoc}
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*
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* @override
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*
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* @internal Order of the parameters must be the same as the order of the columns in getInsertRowSql.
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*/
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protected function getInsertRowSQLParameters(PersistentCollection $coll, $element)
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{
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return $this->collectJoinTableColumnParameters($coll, $element);
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}
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/**
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* Collects the parameters for inserting/deleting on the join table in the order
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* of the join table columns as specified in ManyToManyMapping#joinTableColumns.
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*
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* @param \Doctrine\ORM\PersistentCollection $coll
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* @param object $element
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*
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* @return array
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*/
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private function collectJoinTableColumnParameters(PersistentCollection $coll, $element)
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{
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$params = array();
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$mapping = $coll->getMapping();
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$isComposite = count($mapping['joinTableColumns']) > 2;
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$identifier1 = $this->uow->getEntityIdentifier($coll->getOwner());
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$identifier2 = $this->uow->getEntityIdentifier($element);
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if ($isComposite) {
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$class1 = $this->em->getClassMetadata(get_class($coll->getOwner()));
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$class2 = $coll->getTypeClass();
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}
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foreach ($mapping['joinTableColumns'] as $joinTableColumn) {
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$isRelationToSource = isset($mapping['relationToSourceKeyColumns'][$joinTableColumn]);
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if ( ! $isComposite) {
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$params[] = $isRelationToSource ? array_pop($identifier1) : array_pop($identifier2);
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continue;
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}
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if ($isRelationToSource) {
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$params[] = $identifier1[$class1->getFieldForColumn($mapping['relationToSourceKeyColumns'][$joinTableColumn])];
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continue;
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}
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$params[] = $identifier2[$class2->getFieldForColumn($mapping['relationToTargetKeyColumns'][$joinTableColumn])];
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}
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return $params;
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}
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/**
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* {@inheritdoc}
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*
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* @override
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*/
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protected function getDeleteSQL(PersistentCollection $coll)
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{
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$columns = array();
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$mapping = $coll->getMapping();
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$class = $this->em->getClassMetadata(get_class($coll->getOwner()));
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$joinTable = $this->quoteStrategy->getJoinTableName($mapping, $class, $this->platform);
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foreach ($mapping['joinTable']['joinColumns'] as $joinColumn) {
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$columns[] = $this->quoteStrategy->getJoinColumnName($joinColumn, $class, $this->platform);
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}
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return 'DELETE FROM ' . $joinTable
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. ' WHERE ' . implode(' = ? AND ', $columns) . ' = ?';
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}
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/**
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* {@inheritdoc}
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*
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* @override
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*
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* @internal Order of the parameters must be the same as the order of the columns in getDeleteSql.
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*/
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protected function getDeleteSQLParameters(PersistentCollection $coll)
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{
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$mapping = $coll->getMapping();
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$identifier = $this->uow->getEntityIdentifier($coll->getOwner());
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// Optimization for single column identifier
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if (count($mapping['relationToSourceKeyColumns']) === 1) {
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return array(reset($identifier));
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}
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// Composite identifier
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$sourceClass = $this->em->getClassMetadata($mapping['sourceEntity']);
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$params = array();
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foreach ($mapping['relationToSourceKeyColumns'] as $columnName => $refColumnName) {
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$params[] = isset($sourceClass->fieldNames[$refColumnName])
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? $identifier[$sourceClass->fieldNames[$refColumnName]]
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: $identifier[$sourceClass->getFieldForColumn($columnName)];
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}
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return $params;
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}
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/**
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* {@inheritdoc}
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*/
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public function count(PersistentCollection $coll)
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{
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$conditions = array();
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$params = array();
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$mapping = $coll->getMapping();
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$association = $mapping;
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$class = $this->em->getClassMetadata($mapping['sourceEntity']);
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$id = $this->em->getUnitOfWork()->getEntityIdentifier($coll->getOwner());
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if ( ! $mapping['isOwningSide']) {
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$targetEntity = $this->em->getClassMetadata($mapping['targetEntity']);
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$association = $targetEntity->associationMappings[$mapping['mappedBy']];
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}
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$joinColumns = ( ! $mapping['isOwningSide'])
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? $association['joinTable']['inverseJoinColumns']
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: $association['joinTable']['joinColumns'];
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foreach ($joinColumns as $joinColumn) {
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$columnName = $this->quoteStrategy->getJoinColumnName($joinColumn, $class, $this->platform);
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$referencedName = $joinColumn['referencedColumnName'];
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$conditions[] = 't.' . $columnName . ' = ?';
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$params[] = ($class->containsForeignIdentifier)
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? $id[$class->getFieldForColumn($referencedName)]
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: $id[$class->fieldNames[$referencedName]];
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}
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$joinTableName = $this->quoteStrategy->getJoinTableName($association, $class, $this->platform);
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list($joinTargetEntitySQL, $filterSql) = $this->getFilterSql($mapping);
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if ($filterSql) {
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$conditions[] = $filterSql;
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}
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$sql = 'SELECT COUNT(*)'
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. ' FROM ' . $joinTableName . ' t'
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. $joinTargetEntitySQL
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. ' WHERE ' . implode(' AND ', $conditions);
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return $this->conn->fetchColumn($sql, $params);
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}
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/**
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* {@inheritDoc}
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*/
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public function slice(PersistentCollection $coll, $offset, $length = null)
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{
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$mapping = $coll->getMapping();
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return $this->em->getUnitOfWork()->getEntityPersister($mapping['targetEntity'])->getManyToManyCollection($mapping, $coll->getOwner(), $offset, $length);
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}
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/**
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* {@inheritdoc}
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*/
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public function containsKey(PersistentCollection $coll, $key)
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{
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list($quotedJoinTable, $whereClauses, $params) = $this->getJoinTableRestrictionsWithKey($coll, $key, true);
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$sql = 'SELECT 1 FROM ' . $quotedJoinTable . ' WHERE ' . implode(' AND ', $whereClauses);
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return (bool) $this->conn->fetchColumn($sql, $params);
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}
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/**
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* {@inheritDoc}
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*/
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public function contains(PersistentCollection $coll, $element)
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{
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$uow = $this->em->getUnitOfWork();
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// Shortcut for new entities
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$entityState = $uow->getEntityState($element, UnitOfWork::STATE_NEW);
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if ($entityState === UnitOfWork::STATE_NEW) {
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return false;
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}
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// Entity is scheduled for inclusion
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if ($entityState === UnitOfWork::STATE_MANAGED && $uow->isScheduledForInsert($element)) {
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return false;
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}
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list($quotedJoinTable, $whereClauses, $params) = $this->getJoinTableRestrictions($coll, $element, true);
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$sql = 'SELECT 1 FROM ' . $quotedJoinTable . ' WHERE ' . implode(' AND ', $whereClauses);
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return (bool) $this->conn->fetchColumn($sql, $params);
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}
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/**
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* {@inheritDoc}
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*/
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public function removeElement(PersistentCollection $coll, $element)
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{
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$uow = $this->em->getUnitOfWork();
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// shortcut for new entities
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$entityState = $uow->getEntityState($element, UnitOfWork::STATE_NEW);
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if ($entityState === UnitOfWork::STATE_NEW) {
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return false;
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}
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// If Entity is scheduled for inclusion, it is not in this collection.
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// We can assure that because it would have return true before on array check
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if ($entityState === UnitOfWork::STATE_MANAGED && $uow->isScheduledForInsert($element)) {
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return false;
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}
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list($quotedJoinTable, $whereClauses, $params) = $this->getJoinTableRestrictions($coll, $element, false);
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$sql = 'DELETE FROM ' . $quotedJoinTable . ' WHERE ' . implode(' AND ', $whereClauses);
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return (bool) $this->conn->executeUpdate($sql, $params);
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}
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/**
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* @param \Doctrine\ORM\PersistentCollection $coll
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* @param string $key
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* @param boolean $addFilters Whether the filter SQL should be included or not.
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*
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* @return array
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*/
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private function getJoinTableRestrictionsWithKey(PersistentCollection $coll, $key, $addFilters)
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{
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$uow = $this->em->getUnitOfWork();
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$filterMapping = $coll->getMapping();
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$mapping = $filterMapping;
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$indexBy = $mapping['indexBy'];
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$id = $uow->getEntityIdentifier($coll->getOwner());
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$targetEntity = $this->em->getClassMetadata($mapping['targetEntity']);
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if (! $mapping['isOwningSide']) {
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$associationSourceClass = $this->em->getClassMetadata($mapping['targetEntity']);
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$mapping = $associationSourceClass->associationMappings[$mapping['mappedBy']];
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$joinColumns = $mapping['joinTable']['joinColumns'];
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$relationMode = 'relationToTargetKeyColumns';
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} else {
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$joinColumns = $mapping['joinTable']['inverseJoinColumns'];
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$associationSourceClass = $this->em->getClassMetadata($mapping['sourceEntity']);
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$relationMode = 'relationToSourceKeyColumns';
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}
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$quotedJoinTable = $this->quoteStrategy->getJoinTableName($mapping, $associationSourceClass, $this->platform). ' t';
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$whereClauses = array();
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$params = array();
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$joinNeeded = !in_array($indexBy, $targetEntity->identifier);
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if ($joinNeeded) { // extra join needed if indexBy is not a @id
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$joinConditions = array();
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foreach ($joinColumns as $joinTableColumn) {
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$joinConditions[] = 't.' . $joinTableColumn['name'] . ' = tr.' . $joinTableColumn['referencedColumnName'];
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}
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$tableName = $this->quoteStrategy->getTableName($targetEntity, $this->platform);
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$quotedJoinTable .= ' JOIN ' . $tableName . ' tr ON ' . implode(' AND ', $joinConditions);
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$whereClauses[] = 'tr.' . $targetEntity->getColumnName($indexBy) . ' = ?';
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$params[] = $key;
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}
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foreach ($mapping['joinTableColumns'] as $joinTableColumn) {
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if (isset($mapping[$relationMode][$joinTableColumn])) {
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$whereClauses[] = 't.' . $joinTableColumn . ' = ?';
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$params[] = $targetEntity->containsForeignIdentifier
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? $id[$targetEntity->getFieldForColumn($mapping[$relationMode][$joinTableColumn])]
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: $id[$targetEntity->fieldNames[$mapping[$relationMode][$joinTableColumn]]];
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} elseif (!$joinNeeded) {
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$whereClauses[] = 't.' . $joinTableColumn . ' = ?';
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$params[] = $key;
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}
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}
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if ($addFilters) {
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list($joinTargetEntitySQL, $filterSql) = $this->getFilterSql($filterMapping);
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if ($filterSql) {
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$quotedJoinTable .= ' ' . $joinTargetEntitySQL;
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$whereClauses[] = $filterSql;
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}
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}
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return array($quotedJoinTable, $whereClauses, $params);
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}
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/**
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* @param \Doctrine\ORM\PersistentCollection $coll
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* @param object $element
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* @param boolean $addFilters Whether the filter SQL should be included or not.
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*
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* @return array
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*/
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private function getJoinTableRestrictions(PersistentCollection $coll, $element, $addFilters)
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{
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$uow = $this->em->getUnitOfWork();
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$filterMapping = $coll->getMapping();
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$mapping = $filterMapping;
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if ( ! $mapping['isOwningSide']) {
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$sourceClass = $this->em->getClassMetadata($mapping['targetEntity']);
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$targetClass = $this->em->getClassMetadata($mapping['sourceEntity']);
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$sourceId = $uow->getEntityIdentifier($element);
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$targetId = $uow->getEntityIdentifier($coll->getOwner());
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$mapping = $sourceClass->associationMappings[$mapping['mappedBy']];
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} else {
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$sourceClass = $this->em->getClassMetadata($mapping['sourceEntity']);
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$targetClass = $this->em->getClassMetadata($mapping['targetEntity']);
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$sourceId = $uow->getEntityIdentifier($coll->getOwner());
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$targetId = $uow->getEntityIdentifier($element);
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}
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$quotedJoinTable = $this->quoteStrategy->getJoinTableName($mapping, $sourceClass, $this->platform);
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$whereClauses = array();
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$params = array();
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foreach ($mapping['joinTableColumns'] as $joinTableColumn) {
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$whereClauses[] = ($addFilters ? 't.' : '') . $joinTableColumn . ' = ?';
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if (isset($mapping['relationToTargetKeyColumns'][$joinTableColumn])) {
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$params[] = ($targetClass->containsForeignIdentifier)
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? $targetId[$targetClass->getFieldForColumn($mapping['relationToTargetKeyColumns'][$joinTableColumn])]
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: $targetId[$targetClass->fieldNames[$mapping['relationToTargetKeyColumns'][$joinTableColumn]]];
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continue;
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}
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// relationToSourceKeyColumns
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$params[] = ($sourceClass->containsForeignIdentifier)
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? $sourceId[$sourceClass->getFieldForColumn($mapping['relationToSourceKeyColumns'][$joinTableColumn])]
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: $sourceId[$sourceClass->fieldNames[$mapping['relationToSourceKeyColumns'][$joinTableColumn]]];
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}
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if ($addFilters) {
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$quotedJoinTable .= ' t';
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list($joinTargetEntitySQL, $filterSql) = $this->getFilterSql($filterMapping);
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if ($filterSql) {
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$quotedJoinTable .= ' ' . $joinTargetEntitySQL;
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$whereClauses[] = $filterSql;
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}
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}
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return array($quotedJoinTable, $whereClauses, $params);
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}
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/**
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* Generates the filter SQL for a given mapping.
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*
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* This method is not used for actually grabbing the related entities
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* but when the extra-lazy collection methods are called on a filtered
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* association. This is why besides the many to many table we also
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* have to join in the actual entities table leading to additional
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* JOIN.
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*
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* @param array $mapping Array containing mapping information.
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*
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* @return string The SQL query part to add to a query.
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*/
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public function getFilterSql($mapping)
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{
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$targetClass = $this->em->getClassMetadata($mapping['targetEntity']);
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$rootClass = $this->em->getClassMetadata($targetClass->rootEntityName);
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$filterSql = $this->generateFilterConditionSQL($rootClass, 'te');
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if ('' === $filterSql) {
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return array('', '');
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}
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// A join is needed if there is filtering on the target entity
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$tableName = $this->quoteStrategy->getTableName($rootClass, $this->platform);
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$joinSql = ' JOIN ' . $tableName . ' te' . ' ON';
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$onConditions = $this->getOnConditionSQL($mapping);
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$joinSql .= implode(' AND ', $onConditions);
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return array($joinSql, $filterSql);
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}
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/**
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* Generates the filter SQL for a given entity and table alias.
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*
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* @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 . ')' : '';
|
|
}
|
|
|
|
/**
|
|
* Generate ON condition
|
|
*
|
|
* @param array $mapping
|
|
*
|
|
* @return array
|
|
*/
|
|
protected function getOnConditionSQL($mapping)
|
|
{
|
|
$association = $mapping;
|
|
|
|
if ( ! $mapping['isOwningSide']) {
|
|
$class = $this->em->getClassMetadata($mapping['targetEntity']);
|
|
$association = $class->associationMappings[$mapping['mappedBy']];
|
|
}
|
|
|
|
$targetClass = $this->em->getClassMetadata($mapping['targetEntity']);
|
|
|
|
$joinColumns = $mapping['isOwningSide']
|
|
? $association['joinTable']['inverseJoinColumns']
|
|
: $association['joinTable']['joinColumns'];
|
|
|
|
$conditions = array();
|
|
|
|
foreach ($joinColumns as $joinColumn) {
|
|
$joinColumnName = $this->quoteStrategy->getJoinColumnName($joinColumn, $targetClass, $this->platform);
|
|
$refColumnName = $this->quoteStrategy->getReferencedJoinColumnName($joinColumn, $targetClass, $this->platform);
|
|
|
|
$conditions[] = ' t.' . $joinColumnName . ' = ' . 'te.' . $refColumnName;
|
|
}
|
|
|
|
return $conditions;
|
|
}
|
|
|
|
/**
|
|
* {@inheritDoc}
|
|
*/
|
|
public function loadCriteria(PersistentCollection $coll, Criteria $criteria)
|
|
{
|
|
$mapping = $coll->getMapping();
|
|
$owner = $coll->getOwner();
|
|
$ownerMetadata = $this->em->getClassMetadata(get_class($owner));
|
|
$whereClauses = $params = array();
|
|
|
|
foreach ($mapping['relationToSourceKeyColumns'] as $key => $value) {
|
|
$whereClauses[] = sprintf('t.%s = ?', $key);
|
|
$params[] = $ownerMetadata->getFieldValue($owner, $value);
|
|
}
|
|
|
|
$parameters = $this->expandCriteriaParameters($criteria);
|
|
|
|
foreach ($parameters as $parameter) {
|
|
list($name, $value) = $parameter;
|
|
$whereClauses[] = sprintf('te.%s = ?', $name);
|
|
$params[] = $value;
|
|
}
|
|
|
|
$mapping = $coll->getMapping();
|
|
$targetClass = $this->em->getClassMetadata($mapping['targetEntity']);
|
|
$tableName = $this->quoteStrategy->getTableName($targetClass, $this->platform);
|
|
$joinTable = $this->quoteStrategy->getJoinTableName($mapping, $ownerMetadata, $this->platform);
|
|
$onConditions = $this->getOnConditionSQL($mapping);
|
|
|
|
$rsm = new Query\ResultSetMappingBuilder($this->em);
|
|
$rsm->addRootEntityFromClassMetadata($mapping['targetEntity'], 'te');
|
|
|
|
$sql = 'SELECT ' . $rsm->generateSelectClause() . ' FROM ' . $tableName . ' te'
|
|
. ' JOIN ' . $joinTable . ' t ON'
|
|
. implode(' AND ', $onConditions)
|
|
. ' WHERE ' . implode(' AND ', $whereClauses);
|
|
|
|
$stmt = $this->conn->executeQuery($sql, $params);
|
|
$hydrator = $this->em->newHydrator(Query::HYDRATE_OBJECT);
|
|
|
|
return $hydrator->hydrateAll($stmt, $rsm);
|
|
}
|
|
|
|
/**
|
|
* Expands Criteria Parameters by walking the expressions and grabbing all
|
|
* parameters and types from it.
|
|
*
|
|
* @param \Doctrine\Common\Collections\Criteria $criteria
|
|
*
|
|
* @return array
|
|
*/
|
|
private function expandCriteriaParameters(Criteria $criteria)
|
|
{
|
|
$expression = $criteria->getWhereExpression();
|
|
|
|
if ($expression === null) {
|
|
return array();
|
|
}
|
|
|
|
$valueVisitor = new SqlValueVisitor();
|
|
|
|
$valueVisitor->dispatch($expression);
|
|
|
|
list($values, $types) = $valueVisitor->getParamsAndTypes();
|
|
|
|
return $types;
|
|
}
|
|
}
|