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<?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\Id;
use Doctrine\ORM\EntityManager;
use Doctrine\ORM\ORMException;
/**
* Special generator for application-assigned identifiers (doesn't really generate anything).
*
* @since 2.0
* @author Benjamin Eberlei <kontakt@beberlei.de>
* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
* @author Jonathan Wage <jonwage@gmail.com>
* @author Roman Borschel <roman@code-factory.org>
*/
class AssignedGenerator extends AbstractIdGenerator
{
/**
* Returns the identifier assigned to the given entity.
*
* {@inheritDoc}
*
* @throws \Doctrine\ORM\ORMException
*/
public function generate(EntityManager $em, $entity)
{
$class = $em->getClassMetadata(get_class($entity));
$idFields = $class->getIdentifierFieldNames();
$identifier = array();
foreach ($idFields as $idField) {
$value = $class->getFieldValue($entity, $idField);
if ( ! isset($value)) {
throw ORMException::entityMissingAssignedIdForField($entity, $idField);
}
if (isset($class->associationMappings[$idField])) {
// NOTE: Single Columns as associated identifiers only allowed - this constraint it is enforced.
$value = $em->getUnitOfWork()->getSingleIdentifierValue($value);
}
$identifier[$idField] = $value;
}
return $identifier;
}
}