package io.spring.application; import io.spring.application.data.UserData; import io.spring.infrastructure.mybatis.readservice.UserReadService; import org.springframework.stereotype.Service; import java.util.Optional; @Service public class UserQueryService { private UserReadService userReadService; public UserQueryService(UserReadService userReadService) { this.userReadService = userReadService; } public Optional findById(String id) { return Optional.ofNullable(userReadService.findById(id)); } }