/**
  * Returns the current model state.
  *
  * @param ModelInterface $model
  * @param string $processName
  * @return FreeAgent\WorkflowBundle\Entity\ModelState
  */
 public function findCurrentModelState(ModelInterface $model, $processName)
 {
     return $this->repository->findLatestModelState($model->getWorkflowIdentifier(), $processName);
 }