public Student findStudentWithAddressById(int id) {
SqlSession sqlSession = MyBatisUtil.getSqlSessionFactory().openSession();
try {
StudentMapper studentMapper = sqlSession.getMapper(StudentMapper.class);
return studentMapper.selectStudentWithAddress(id);
} finally {
sqlSession.close();
}
}
public List<Student> findAllStudents() {
SqlSession sqlSession = MyBatisUtil.getSqlSessionFactory().openSession();
try {
StudentMapper StudentMapper = sqlSession.getMapper(StudentMapper.class);
return StudentMapper.findAllStudents();
} finally {
sqlSession.close();
}
}
public Student findStudentById(Integer id) {
logger.debug("findStudentById :" + id);
SqlSession sqlSession = MyBatisUtil.getSqlSessionFactory().openSession();
try {
StudentMapper studentMapper = sqlSession.getMapper(StudentMapper.class);
return studentMapper.findStudentById(id);
} finally {
sqlSession.close();
}
}
public Map<String, Object> findStudentMapById(int id) {
SqlSession sqlSession = MyBatisUtil.getSqlSessionFactory().openSession();
try {
StudentMapper studentMapper = sqlSession.getMapper(StudentMapper.class);
return studentMapper.findStudentMapById(id);
} finally {
sqlSession.close();
}
}
public void createStudentWithMap(Map<String, Object> studentDataMap) {
SqlSession sqlSession = MyBatisUtil.getSqlSessionFactory().openSession();
try {
StudentMapper mapper = sqlSession.getMapper(StudentMapper.class);
mapper.insertStudentWithMap(studentDataMap);
sqlSession.commit();
} catch (Exception e) {
sqlSession.rollback();
e.printStackTrace();
throw new RuntimeException(e.getCause());
} finally {
sqlSession.close();
}
}
public boolean deleteStudent(int id) {
SqlSession sqlSession = MyBatisUtil.getSqlSessionFactory().openSession();
try {
StudentMapper mapper = sqlSession.getMapper(StudentMapper.class);
int count = mapper.deleteStudent(id);
sqlSession.commit();
return count > 0;
} catch (Exception e) {
sqlSession.rollback();
e.printStackTrace();
throw new RuntimeException(e.getCause());
} finally {
sqlSession.close();
}
}
public Student updateStudent(Student student) {
SqlSession sqlSession = MyBatisUtil.getSqlSessionFactory().openSession();
try {
StudentMapper mapper = sqlSession.getMapper(StudentMapper.class);
mapper.updateStudent(student);
sqlSession.commit();
return student;
} catch (Exception e) {
sqlSession.rollback();
e.printStackTrace();
throw new RuntimeException(e.getCause());
} finally {
sqlSession.close();
}
}