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결제 전환 목표 아키텍처 정의 (SPRING-ARC-REF-FINAL-1783833422)
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sequenceDiagram
participant User
participant Controller
participant Service
participant Repository
participant ExternalGateway
User->>Controller: 결제 요청
Controller->>Service: 결제 처리 요청
Service->>Repository: 트랜잭션 시작
Service->>ExternalGateway: 결제 요청
alt 결제 성공
ExternalGateway-->>Service: 결제 성공 응답
Service->>Repository: 트랜잭션 커밋
Repository-->>Service: 커밋 완료
Service-->>Controller: 결제 완료 응답
Controller-->>User: 결제 완료
else 외부 실패
ExternalGateway-->>Service: 결제 실패 응답
Service->>Repository: 트랜잭션 롤백
Repository-->>Service: 롤백 완료
Service-->>Controller: 결제 실패 응답
Controller-->>User: 결제 실패
else DB 실패
Service->>Repository: 트랜잭션 롤백
Repository-->>Service: 롤백 완료
Service-->>Controller: DB 오류 응답
Controller-->>User: DB 오류