/**
* Returns true when the competency has user competencies.
*
* This is useful to determine if the competency, or part of it, should be locked down.
*
* @return boolean
*/
public function has_user_competencies()
{
return user_competency::has_records_for_competency($this->get_id()) || user_competency_plan::has_records_for_competency($this->get_id());
}
