@Transactional
public void setName (String name) {
    List<Name> names = nameReository.findByName(name);
    names.forEach(oneName -> {
        oneName.setDeleted(true);
        nameReository.save(oneName);
    });

    Name name = new Name(name);
    name.setDeleted(false);
    name.setName(name);
    nameReository.save(name);
}

User {
    name: String
    deleted: Boolean
}