public function saveJosFutureTeaching(JosFutureTeaching $jos_future_teaching)
 {
     $data = array('subject_id' => $jos_future_teaching->getSubjectId(), 'user_id' => $jos_future_teaching->getUserId(), 'lesson_number' => $jos_future_teaching->getLessonNumber(), 'qualifications' => $jos_future_teaching->getQualifications(), 'edu_system' => $jos_future_teaching->getEduSystem(), 'note' => $jos_future_teaching->getNote());
     $value_id = (int) $jos_future_teaching->getValueId();
     if ($value_id == 0) {
         $this->tableGateway->insert($data);
     } else {
         if ($this->getFutureTeachingByArrayConditionAndArrayColumns(array('value_id' => $value_id), array('user_id'))) {
             $this->tableGateway->update($data, array('value_id' => $value_id));
         } else {
             return false;
         }
     }
     return true;
 }