/**
* Creates a ValueSet entity for Content when missing and there is a ContentType set.
*
* @param Content $content
*
* @return Content
*/
public function createMissingValueSet(Content $content)
{
if ($content->getContentType() !== null && $content->getValueSet() === null) {
$valueSet = new ValueSet();
$this->em->persist($valueSet);
$valueSet->setSchema($content->getContentType()->getSchema());
$content->setValueSet($valueSet);
$content = $this->save($content);
}
return $content;
}