Building Applications with Spring 5 and Vue.js 2

Implement the UserServiceImpl class

Now, we have the tests ready. Let's implement the UserServiceImpl class itself. Here is how it looks:

...@Service@Transactionalpublic class UserServiceImpl implements UserService {  private RegistrationManagement registrationManagement;  private DomainEventPublisher domainEventPublisher;  private MailManager mailManager;  public UserServiceImpl(RegistrationManagement registrationManagement,                         DomainEventPublisher domainEventPublisher,                         MailManager mailManager) {    this.registrationManagement = registrationManagement;    this.domainEventPublisher = domainEventPublisher;    this.mailManager = mailManager;  }  @Override  public void register(RegistrationCommand command) throws   RegistrationException { Assert.notNull(command, ...