An example of securing an Errai Messaging @service with Errai Security

SecureService.java

@Service
@RestrictedAccess
public class SecureService implements MessageCallback {
  
  public void calback(Message message) {
    // ...
  }
  
}

Sender.java

public class Sender {
  
  @Inject
  MessageBus bus;
  
  public void sendMessage() {
    MessageBuilder
      .createMessage("SecureService")
      .defaultErrorHandling()
      .sendNowWith(bus);
  }
}