@Service
@Transactional
public class UserService {
@Autowired
private UserRepository userRepository;
public void createUser(User user) {
userRepository.save(user);
}
public User getUserById(int id) {
return userRepository.findById(id).orElse(null);
}
public void deleteUser(User user) {
userRepository.delete(user);
}
}
<bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
<property name="entityManagerFactory" ref="entityManagerFactory" />
</bean>
<tx:annotation-driven transaction-manager="transactionManager" />
