/usr/share/php/Doctrine/ORM/Persisters/ManyToManyPersister.php is in php-doctrine-orm 2.4.8-2.
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/*
* 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;
use Doctrine\ORM\PersistentCollection;
use 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()));
$tableName = $this->quoteStrategy->getJoinTableName($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 'DELETE FROM ' . $tableName
. ' 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}
*
* @throws \BadMethodCallException Not used for OneToManyPersister
*/
protected function getUpdateRowSQL(PersistentCollection $coll)
{
throw new \BadMethodCallException("Insert Row SQL is not used for ManyToManyPersister");
}
/**
* {@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 \Doctrine\ORM\PersistentCollection $coll
* @param object $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)
{
$mapping = $coll->getMapping();
$identifier = $this->uow->getEntityIdentifier($coll->getOwner());
// Optimization for single column identifier
if (count($mapping['relationToSourceKeyColumns']) === 1) {
return array(reset($identifier));
}
// Composite identifier
$sourceClass = $this->em->getClassMetadata($mapping['sourceEntity']);
$params = array();
foreach ($mapping['relationToSourceKeyColumns'] as $columnName => $refColumnName) {
$params[] = isset($sourceClass->fieldNames[$refColumnName])
? $identifier[$sourceClass->fieldNames[$refColumnName]]
: $identifier[$sourceClass->getFieldForColumn($columnName)];
}
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[] = 't.' . $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 \Doctrine\ORM\PersistentCollection $coll
* @param int $offset
* @param int|null $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 \Doctrine\ORM\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 \Doctrine\ORM\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();
$filterMapping = $coll->getMapping();
$mapping = $filterMapping;
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) {
$whereClauses[] = ($addFilters ? 't.' : '') . $joinTableColumn . ' = ?';
if (isset($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) {
$quotedJoinTable .= ' t';
list($joinTargetEntitySQL, $filterSql) = $this->getFilterSql($filterMapping);
if ($filterSql) {
$quotedJoinTable .= ' ' . $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']);
$rootClass = $this->em->getClassMetadata($targetClass->rootEntityName);
$filterSql = $this->generateFilterConditionSQL($rootClass, 'te');
if ('' === $filterSql) {
return array('', '');
}
$conditions = array();
$association = $mapping;
if ( ! $mapping['isOwningSide']) {
$class = $this->em->getClassMetadata($mapping['targetEntity']);
$association = $class->associationMappings[$mapping['mappedBy']];
}
// A join is needed if there is filtering on the target entity
$tableName = $this->quoteStrategy->getTableName($rootClass, $this->platform);
$joinSql = ' JOIN ' . $tableName . ' te' . ' ON';
$joinColumns = $mapping['isOwningSide']
? $association['joinTable']['inverseJoinColumns']
: $association['joinTable']['joinColumns'];
foreach ($joinColumns as $joinColumn) {
$joinColumnName = $this->quoteStrategy->getJoinColumnName($joinColumn, $targetClass, $this->platform);
$refColumnName = $this->quoteStrategy->getReferencedJoinColumnName($joinColumn, $targetClass, $this->platform);
$conditions[] = ' t.' . $joinColumnName . ' = ' . 'te.' . $refColumnName;
}
$joinSql .= implode(' AND ', $conditions);
return array($joinSql, $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 . ")" : "";
}
}
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