/**
  * Transforms a string to an object.
  *
  * @param  string $locationText
  * @return Location
  */
 public function reverseTransform($locationText)
 {
     $location = $this->em->getRepository('AppBundle:Location')->findOneByTitle($locationText);
     if (null === $location) {
         $location = new Location();
         $location->setTitle($locationText);
     }
     return $location;
 }