426 lines
15 KiB
PHP
426 lines
15 KiB
PHP
<?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\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)
|
|
{
|
|
$mapping = $coll->getMapping();
|
|
$class = $this->_em->getClassMetadata(get_class($coll->getOwner()));
|
|
|
|
return 'DELETE FROM ' . $class->getQuotedJoinTableName($mapping, $this->_conn->getDatabasePlatform())
|
|
. ' WHERE ' . implode(' = ? AND ', $mapping['joinTableColumns']) . ' = ?';
|
|
}
|
|
|
|
/**
|
|
* {@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();
|
|
$columns = $mapping['joinTableColumns'];
|
|
$class = $this->_em->getClassMetadata(get_class($coll->getOwner()));
|
|
|
|
$joinTable = $class->getQuotedJoinTableName($mapping, $this->_conn->getDatabasePlatform());
|
|
|
|
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)
|
|
{
|
|
$class = $this->_em->getClassMetadata(get_class($coll->getOwner()));
|
|
$mapping = $coll->getMapping();
|
|
|
|
return 'DELETE FROM ' . $class->getQuotedJoinTableName($mapping, $this->_conn->getDatabasePlatform())
|
|
. ' WHERE ' . implode(' = ? AND ', array_keys($mapping['relationToSourceKeyColumns'])) . ' = ?';
|
|
}
|
|
|
|
/**
|
|
* {@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 $relColumn => $srcColumn) {
|
|
$params[] = $identifier[$sourceClass->fieldNames[$srcColumn]];
|
|
}
|
|
|
|
return $params;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function count(PersistentCollection $coll)
|
|
{
|
|
$mapping = $filterMapping = $coll->getMapping();
|
|
$class = $this->_em->getClassMetadata($mapping['sourceEntity']);
|
|
$id = $this->_em->getUnitOfWork()->getEntityIdentifier($coll->getOwner());
|
|
|
|
if ($mapping['isOwningSide']) {
|
|
$joinColumns = $mapping['relationToSourceKeyColumns'];
|
|
} else {
|
|
$mapping = $this->_em->getClassMetadata($mapping['targetEntity'])->associationMappings[$mapping['mappedBy']];
|
|
$joinColumns = $mapping['relationToTargetKeyColumns'];
|
|
}
|
|
|
|
$whereClauses = array();
|
|
$params = array();
|
|
|
|
foreach ($mapping['joinTableColumns'] as $joinTableColumn) {
|
|
if ( ! isset($joinColumns[$joinTableColumn])) {
|
|
continue;
|
|
}
|
|
|
|
$whereClauses[] = $joinTableColumn . ' = ?';
|
|
|
|
$params[] = ($class->containsForeignIdentifier)
|
|
? $id[$class->getFieldForColumn($joinColumns[$joinTableColumn])]
|
|
: $id[$class->fieldNames[$joinColumns[$joinTableColumn]]];
|
|
}
|
|
|
|
list($joinTargetEntitySQL, $filterSql) = $this->getFilterSql($filterMapping);
|
|
if ($filterSql) {
|
|
$whereClauses[] = $filterSql;
|
|
}
|
|
|
|
$sql = 'SELECT COUNT(*)'
|
|
. ' FROM ' . $class->getQuotedJoinTableName($mapping, $this->_conn->getDatabasePlatform()) . ' t'
|
|
. $joinTargetEntitySQL
|
|
. ' WHERE ' . implode(' AND ', $whereClauses);
|
|
|
|
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 = $sourceClass->getQuotedJoinTableName($mapping, $this->_conn->getDatabasePlatform());
|
|
$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 '
|
|
. $targetClass->getQuotedTableName($this->_conn->getDatabasePlatform()) . ' 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 . ")" : "";
|
|
}
|
|
}
|