/**
* Transforms entity to primary key identifier
*
* @param $entity
*
* @return int|mixed
*/
public function transform($entity)
{
if (null == $entity) {
return 0;
}
$meta = $this->repository->getMetadata();
$identifier = $meta->getSingleIdentifierFieldName();
$accessor = $this->repository->getPropertyAccessor();
return $accessor->getValue($entity, $identifier);
}
/**
* Transforms entity collection to array containing only primary keys
*
* @param $collection
*
* @return array
*/
public function transform($collection)
{
$meta = $this->repository->getMetadata();
$identifier = $meta->getSingleIdentifierFieldName();
$accessor = $this->repository->getPropertyAccessor();
$items = [];
foreach ($collection as $item) {
$items[] = $accessor->getValue($item, $identifier);
}
return $items;
}
