patient.setAccount(account);
				accountBo.register(patient, account);

public class AccountBoImpl implements AccountBo{
	@Autowired
	AccountDao accountDao;
	
	@Autowired
	PatientDao patientDao;	

	@Transactional
	public void register(Patient patient, Account account) throws HibernateException
	{
		accountDao.saveOrUpdate(account);
		patientDao.saveOrUpdate(patient);
	}	

}

@Repository
public class AccountDaoImpl implements AccountDao {
	@Autowired
	private SessionFactory sessionFactory;

	@Transactional
	public void saveOrUpdate(Account account) throws HibernateException{
		sessionFactory.getCurrentSession().saveOrUpdate(account);
	}

}

@Repository
public class PatientDaoImpl implements PatientDao {
	@Autowired
	private SessionFactory sessionFactory;	
	
	@Transactional
	public void saveOrUpdate(Patient patient) {
		sessionFactory.getCurrentSession().saveOrUpdate(patient);
	}

}

	@Transactional(propagation=Propagation.REQUIRED)
	public void register(Patient patient, Account account) throws HibernateException
	{
		accountDao.saveOrUpdate(account);
		patientDao.saveOrUpdate(patient);
	}	

	<tx:annotation-driven transaction-manager="txManager"
		order="200" />

	<bean id="txManager"
		class="org.springframework.orm.hibernate3.HibernateTransactionManager">
		<property name="sessionFactory" ref="sessionFactory" />
	</bean>

accountDao.saveOrUpdate(account);

	//bi-directional many-to-one association to Patient
	@OneToMany(mappedBy="account")
	private Set<Patient> patients;

	//bi-directional many-to-one association to Account
	@ManyToOne(fetch=FetchType.LAZY)
	@JoinColumn(name="EMAIL", referencedColumnName="LOGIN", nullable=false)
	private Account account;

patient.setAccount(account);
account.getPatients().add(patient);

accountBo.register(patient, account);

patient.setAccount(account);
account.getPatients().add(patient);