public function save()
 {
     $origin_career_school_year = CareerSchoolYearPeer::retrieveByPk($this->getValue('career_school_year_id'));
     $destiny_career_school_year = CareerSchoolYearPeer::retrieveByPk($this->getOption('destiny_career_id'));
     $last_year_school_year = SchoolYearPeer::retrieveLastYearSchoolYear(SchoolYearPeer::retrieveCurrent());
     $students = CareerStudentPeer::retrieveLastYearCareerGraduatedStudents($origin_career_school_year);
     $con = Propel::getConnection();
     try {
         $con->beginTransaction();
         foreach ($students as $student) {
             $student->registerToCareer($destiny_career_school_year->getCareer(), null, null, $destiny_career_school_year->getCareer()->getMinYear(), $con);
             $shift = $student->getShiftForSchoolYear($last_year_school_year);
             if (!$student->getIsRegistered($destiny_career_school_year->getSchoolYear())) {
                 $student->registerToSchoolYear($destiny_career_school_year->getSchoolYear(), $shift, $con);
             }
         }
         $con->commit();
     } catch (PropelException $e) {
         $con->rollBack();
         throw $e;
     }
 }