step3 Section과 Sections 구현 및 테스트 완료 #826
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jaeyeonling
requested changes
Jun 27, 2022
| @@ -29,9 +31,9 @@ public LineService(LineRepository lineRepository, StationService stationService) | |||
| public LineResponse saveLine(LineRequest lineRequest) { | |||
| Station upStation = stationService.findStationEntityById(lineRequest.getUpStationId()); | |||
| Station downStation = stationService.findStationEntityById(lineRequest.getDownStationId()); | |||
| Line line = lineRepository.save(new Line(lineRequest.getName(), lineRequest.getColor())); | |||
| line.initSections(new Section(upStation, downStation, lineRequest.getDistance(), line)); | |||
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Line의 생성과 initSections를 분리해주신 이유가 있을까요?
| } | ||
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| public boolean canAddFirstSection(Section newSection) { | ||
| if (isNotValidNewSection(newSection)) { |
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| if (isNotValidNewSection(newSection)) { | |
| if (newSection.isNotValidNewSection()) { |
두 방식은 어떠한 차이가 있을까요?
| public void add(Section newSection) { | ||
| checkAlreadyExist(newSection); | ||
| if (addIfFirstSection(newSection)) { | ||
| return ; |
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| return ; | |
| return; |
공백을 추가해주신 이유가 있을까요?
| addIfIntersection(newSection); | ||
| } | ||
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| private boolean addIfFirstSection(Section newSection) { |
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해당 메서드는 변경과 조회의 역할 두 가지 모두 하고 있는데요.
변경의 메서드와 조회의 메서드를 분리하여 유지보수성을 높여보면 어떨까요?
관련 키워드로는 CQS(Command Query Separation) 입니다 :)
| StationResponse 정자역 = StationTestHelper.지하철역_생성("정자역").as(StationResponse.class); | ||
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| // when | ||
| ExtractableResponse<Response> addSectionResponse = SectionTestHelper.지하철에_노선_지하철역_등록(신분당선.getId(), new SectionRequest(강남역.getId(), 정자역.getId(), 신분당선_distance + 1)); |
| } | ||
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| public boolean isSameSection(Section newSection) { | ||
| return isInterSection() |
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isSameSection이라는 메서드명으로 봤을 때 isInterSection을 검증하는 것은 오해의 소지가 될 것 같은데 어떻게 생각하시나요?
| @JoinColumn(name = "down_station_id", foreignKey = @ForeignKey(name = "fk_section_to_down_station")) | ||
| private Station downStation; | ||
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| @Column(name = "distance") |
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| @Column(name = "distance") | |
| @Column |
변수명과 동일하다면 name을 따로 지정하지 않아도 됩니다 ㅎㅎ
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안녕하세요 멘토님~
단계가 진행될수록 재밌는 과제인 것 같습니다!
다대다 구조를 매끄럽게 처리하는 방법도 배운 것 같아 좋은 경험이 된 것 같아요!
게다가 atdd 방식을 계속해서 학습하고 있다는게 정말 좋은 것 같습니다!
피드백 주시면 잘 검토하도록 하겠습니다. 감사합니다.