public function addObjective($num)
 {
     $objective = new Objective();
     $objective->setAreaOfConcern($this->getObject());
     $objective_form = new ObjectiveForm($objective);
     //Embedding the new concern in the container
     $this->embeddedForms['objectives']->embedForm($num, $objective_form);
     //Re-embedding the container
     $this->embedForm('objectives', $this->embeddedForms['objectives']);
 }