/usr/share/php/Doctrine/ORM/Utility/IdentifierFlattener.php is in php-doctrine-orm 2.5.14+dfsg-1.
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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\Utility;
use Doctrine\ORM\UnitOfWork;
use Doctrine\ORM\Mapping\ClassMetadata;
use Doctrine\Common\Persistence\Mapping\ClassMetadataFactory;
/**
* The IdentifierFlattener utility now houses some of the identifier manipulation logic from unit of work, so that it
* can be re-used elsewhere.
*
* @since 2.5
* @author Rob Caiger <rob@clocal.co.uk>
*/
final class IdentifierFlattener
{
/**
* The UnitOfWork used to coordinate object-level transactions.
*
* @var UnitOfWork
*/
private $unitOfWork;
/**
* The metadata factory, used to retrieve the ORM metadata of entity classes.
*
* @var ClassMetadataFactory
*/
private $metadataFactory;
/**
* Initializes a new IdentifierFlattener instance, bound to the given EntityManager.
*
* @param UnitOfWork $unitOfWork
* @param ClassMetadataFactory $metadataFactory
*/
public function __construct(UnitOfWork $unitOfWork, ClassMetadataFactory $metadataFactory)
{
$this->unitOfWork = $unitOfWork;
$this->metadataFactory = $metadataFactory;
}
/**
* convert foreign identifiers into scalar foreign key values to avoid object to string conversion failures.
*
* @param ClassMetadata $class
* @param array $id
*
* @return array
*/
public function flattenIdentifier(ClassMetadata $class, array $id)
{
$flatId = array();
foreach ($class->identifier as $field) {
if (isset($class->associationMappings[$field]) && isset($id[$field]) && is_object($id[$field])) {
/* @var $targetClassMetadata ClassMetadata */
$targetClassMetadata = $this->metadataFactory->getMetadataFor(
$class->associationMappings[$field]['targetEntity']
);
if ($this->unitOfWork->isInIdentityMap($id[$field])) {
$associatedId = $this->flattenIdentifier($targetClassMetadata, $this->unitOfWork->getEntityIdentifier($id[$field]));
} else {
$associatedId = $this->flattenIdentifier($targetClassMetadata, $targetClassMetadata->getIdentifierValues($id[$field]));
}
$flatId[$field] = implode(' ', $associatedId);
} elseif (isset($class->associationMappings[$field])) {
$associatedId = array();
foreach ($class->associationMappings[$field]['joinColumns'] as $joinColumn) {
$associatedId[] = $id[$joinColumn['name']];
}
$flatId[$field] = implode(' ', $associatedId);
} else {
$flatId[$field] = $id[$field];
}
}
return $flatId;
}
}
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