Как одним методом POST записать рекорды в две таблицы

@Entity
@Table(name="TEST")
public class Test implements Serializable{
 
    @Id @GeneratedValue(strategy=GenerationType.IDENTITY)
    private Integer id;
 
    @Column(name="NAME", unique=true, nullable=false)
    private String name;
 
...

@Entity
@Table(name = "FILE_UPLOAD")
public class FileUpload implements Serializable {
 
    @Id @GeneratedValue(strategy=GenerationType.IDENTITY)
    private Integer id;
 
    @Column(name="TITLE")
    private String title;

 @Controller
public class TestController {
 
    @Autowired
    TestService testService;
 
    @Autowired
    FileUploadService fileUploadService;
 
...
 @RequestMapping(value = { "/newtest" }, method = RequestMethod.POST)
    public String saveTest(@Valid Test test, BindingResult result,
                                   ModelMap model, HttpServletRequest request) {
 
        FileUpload fileUpload = new FileUpload();
 
 
        if (result.hasErrors()) {
            return "registration";
        }
 
        testService.saveTest(test);
 
        // тестовая строка для второй таблицы
        fileUpload.setTitle("Title");
 
        fileUploadService.saveFileUpload(fileUpload);
 
        model.addAttribute("success", "Test" + test.getName() + " registered successfully");
        model.addAttribute("loggedinuser", userMethood.avtUserName());
 
        return "redirect:/tests";
    }

@Service("testService")
@Transactional
public class TestServiceImpl implements TestService {
 
    @Autowired
    private TestDao dao;
 
    public void saveTest(Test test) {
        dao.save(test);
    }
 
}

@Service("fileUploadService")
@Transactional
public class FileUploadServiceImpl implements FileUploadService {
 
    @Autowired
    private FileUploadDao dao;
 
    public void saveFileUpload(FileUpload fileUpload) {
        dao.save(fileUpload);
    }
 
}

@Repository("testDao")
@Transactional
//public class TestDaoImpl implements TestDao {
public class TestDaoImpl extends AbstractDao<Integer, Test> implements TestDao {
 
    public void save(Test test) {
        persist(test);
    }
 
}

@Repository("fileUploadDao")
@Transactional
public class FileUploadDaoImpl extends AbstractDao<Integer, FileUpload> implements FileUploadDao {
 
    public void save(FileUpload fileUpload) {
        persist(fileUpload);
    }
 
}

@Configuration
@EnableTransactionManagement
@ComponentScan({ "com.websystique.springmvc.configuration" })
@PropertySource(value = { "classpath:application.properties" })
public class HibernateConfiguration {
 
    @Autowired
    private Environment environment;
 
    @Bean
    public LocalSessionFactoryBean sessionFactory() {
        LocalSessionFactoryBean sessionFactory = new LocalSessionFactoryBean();
        sessionFactory.setDataSource(dataSource());
        sessionFactory.setPackagesToScan(new String[] { "com.websystique.springmvc.model" });
        sessionFactory.setHibernateProperties(hibernateProperties());
        return sessionFactory;
     }
    
    @Bean
    public DataSource dataSource() {
        DriverManagerDataSource dataSource = new DriverManagerDataSource();
        dataSource.setDriverClassName(environment.getRequiredProperty("jdbc.driverClassName"));
        dataSource.setUrl(environment.getRequiredProperty("jdbc.url"));
        dataSource.setUsername(environment.getRequiredProperty("jdbc.username"));
        dataSource.setPassword(environment.getRequiredProperty("jdbc.password"));
        return dataSource;
    }
    
    private Properties hibernateProperties() {
        Properties properties = new Properties();
        properties.put("hibernate.dialect", environment.getRequiredProperty("hibernate.dialect"));
        properties.put("hibernate.show_sql", environment.getRequiredProperty("hibernate.show_sql"));
        properties.put("hibernate.format_sql", environment.getRequiredProperty("hibernate.format_sql"));
        properties.put("hibernate.hbm2ddl.auto", environment.getRequiredProperty("hibernate.hbm2ddl.auto"));
        return properties;
    }
    
    @Bean
    @Autowired
    public HibernateTransactionManager transactionManager(SessionFactory s) {
       HibernateTransactionManager txManager = new HibernateTransactionManager();
       txManager.setSessionFactory(s);
       return txManager;
    }
 
}

jdbc.driverClassName = com.microsoft.sqlserver.jdbc.SQLServerDriver
jdbc.url = jdbc:sqlserver://localhost;databaseName=***
jdbc.username = ***
jdbc.password = ***
hibernate.dialect = org.hibernate.dialect.SQLServerDialect
hibernate.show_sql = true
hibernate.format_sql = true
hibernate.hbm2ddl.auto = create-drop