public function getCourseSubjectStudent()
 {
     $c = new Criteria();
     $c->add(CourseSubjectStudentPeer::COURSE_SUBJECT_ID, $this->getCourseSubjectId());
     $c->add(CourseSubjectStudentPeer::STUDENT_ID, $this->getStudentId());
     return CourseSubjectStudentPeer::doSelectOne($c);
 }
 public function getRelatedCourseSubjectStudent()
 {
     $c = new Criteria();
     $c->addJoin(CourseSubjectStudentPeer::COURSE_SUBJECT_ID, CourseSubjectPeer::ID, Criteria::INNER_JOIN);
     $c->add(CourseSubjectStudentPeer::STUDENT_ID, $this->getStudentId());
     $c->add(CourseSubjectPeer::CAREER_SUBJECT_SCHOOL_YEAR_ID, $this->getCourseSubject()->getCareerSubjectSchoolYearId());
     return CourseSubjectStudentPeer::doSelectOne($c);
 }