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20 namespace Doctrine\ORM\Id;
22 use Doctrine\ORM\EntityManager;
23 use Doctrine\ORM\ORMException;
26 * Special generator for application-assigned identifiers (doesnt really generate anything).
29 * @author Benjamin Eberlei <kontakt@beberlei.de>
30 * @author Guilherme Blanco <guilhermeblanco@hotmail.com>
31 * @author Jonathan Wage <jonwage@gmail.com>
32 * @author Roman Borschel <roman@code-factory.org>
34 class AssignedGenerator extends AbstractIdGenerator
37 * Returns the identifier assigned to the given entity.
39 * @param object $entity
43 public function generate(EntityManager $em, $entity)
45 $class = $em->getClassMetadata(get_class($entity));
46 $idFields = $class->getIdentifierFieldNames();
47 $identifier = array();
49 foreach ($idFields as $idField) {
50 $value = $class->reflFields[$idField]->getValue($entity);
52 if ( ! isset($value)) {
53 throw ORMException::entityMissingAssignedIdForField($entity, $idField);
56 if (isset($class->associationMappings[$idField])) {
57 if ( ! $em->getUnitOfWork()->isInIdentityMap($value)) {
58 throw ORMException::entityMissingForeignAssignedId($entity, $value);
61 // NOTE: Single Columns as associated identifiers only allowed - this constraint it is enforced.
62 $value = current($em->getUnitOfWork()->getEntityIdentifier($value));
65 $identifier[$idField] = $value;