@Configuration
@EnableEnriching
public class EnricherConfiguration
{
}

@Service
public class CustomerService
{
    @Autowired
    private CustomerRepository customerRepository;

    @Enriched
    public Customer getCustomer(long id)
    {
        return customerRepository.getCustomer(id);
    }

    @Enriched
    public List<Customer> getCustomers()
    {
        return customerRepository.getCustomers();
    }
}

@Component
public class CustomerEnricher extends AbstractEnricher<Customer>
{
    @Autowired
    private AddressService addressService;

    public CustomerEnricher()
    {
        super(Customer.class);
    }

    @Override
    public void doEnrich(Customer customer)
    {
        customer.setAddresses(addressService.getAddresses(customer.getId()));
    }
}

@Component
public class CustomerOutput
{
    @Autowired
    private CustomerService customerService;

    public void outputCustomers()
    {
        for (Customer customer : customerService.getCustomers())
        {
            System.out.println(customer);
        }
    }

    public void outputCustomer(long id)
    {
        System.out.println(customerService.getCustomer(id));
    }
}