问Axon -聚合的唯一Id是否等于/是否与我的实体的Id相同？

EN

@Entity
@Data
@NoArgsConstructor
public class Person {    
    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    private Long id;
    private String name;
}

@Aggregate
@Data
@NoArgsConstructor
public class PersonAggregate {

    @AggregateIdentifier
    private UUID id;
    private String name;


    @CommandHandler
    public PersonAggregate(CreatePersonCommand command) {
        apply(new PersonCreatedEvent(
                command.getId(),
                command.getName()
        ));
    }

    @EventSourcingHandler
    public void on(PersonCreatedEvent event) {
        this.id = event.getId();
        this.name = event.getName();
    }

    @CommandHandler
    public void handle(ChangeNameCommand command) {
        apply(
                new NameChangedEvent(
                        command.getId(),
                        command.getName()
                )
        );
    }

    @EventSourcingHandler
    public void on(NameChangedEvent event) {
        this.name = event.getName();
    }

}

@Data
@NoArgsConstructor
@AllArgsConstructor
public class ChangeNameCommand {
    @TargetAggregateIdentifier
     private UUID id;
     private String name;    
}

@Value
public class NameChangedEvent {
    private final UUID id;
    private final String name;
}

@Repository
public interface PersonCommandRepository extends JpaRepository<Person, Long> {
}

@EventHandler
public void changeName(NameChangedEvent event) {
    Optional<Person> opt = null;//this.personCommandRepository.findById(event.getId());
    if (opt.isPresent()) {
        Person person = opt.get();
        person.setName(event.getName());
        this.personCommandRepository.save(person); //Does'nt this defeat the purpose of Event Sourcing? A single point of truth?
    }

   @RequestMapping(value = "/rename", method = RequestMethod.POST)
    public ResponseEntity<?> changeName(@RequestParam("id") Long id, @RequestParam("name")String name){
        //1. Which Id do we pass in here? Aggregate or Entity?
        //this.commandGateway.send(new ChangeNameCommand(id,name));
        return new ResponseEntity<String>("Renamed", HttpStatus.OK);
    }

}