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feat: 면접 예약 API 구현
1 parent 1c00f30 commit 94eb07c

17 files changed

+568
-1
lines changed

‎src/main/java/dmu/dasom/api/domain/common/exception/ErrorCode.java‎

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@@ -26,7 +26,14 @@ public enum ErrorCode {
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INVALID_TIME_FORMAT(400, "C017", "시간 형식이 올바르지 않습니다."),
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INVALID_INQUIRY_PERIOD(400, "C018", "조회 기간이 아닙니다."),
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SHEET_WRITE_FAIL(400, "C019", "시트에 데이터를 쓰는데 실패하였습니다."),
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SHEET_READ_FAIL(400, "C200", "시트에 데이터를 쓰는데 실패하였습니다."),
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SHEET_READ_FAIL(400, "C200", "시트에 데이터를 읽는데 실패하였습니다."),
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SLOT_NOT_FOUND(400, "C021", "슬롯을 찾을 수 없습니다."),
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APPLICANT_NOT_FOUND(400, "C022", "지원자를 찾을 수 없습니다."),
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ALREADY_RESERVED(400, "C023", "이미 예약된 지원자입니다."),
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RESERVED_SLOT_CANNOT_BE_DELETED(400, "C024", "예약된 슬롯은 삭제할 수 없습니다."),
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SLOT_FULL(400, "C025", "해당 슬롯이 가득 찼습니다."),
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RESERVATION_NOT_FOUND(400, "C026", "예약을 찾을 수 없습니다."),
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SLOT_NOT_ACTIVE(400, "C027", "해당 슬롯이 비활성화 되었습니다."),
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;
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private final int status;

‎src/main/java/dmu/dasom/api/domain/interview/dto/InterviewReservationRequestDto.java‎

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package dmu.dasom.api.domain.interview.dto;
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import lombok.*;
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@Getter
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@Setter
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@NoArgsConstructor
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@AllArgsConstructor
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@Builder
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public class InterviewReservationRequestDto {
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private Long slotId; // 예약할 슬롯 ID
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private Long applicantId; // 지원자 ID
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private String reservationCode; // 학번 뒤 4자리 + 전화번호 뒤 4자리 조합 코드
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}

‎src/main/java/dmu/dasom/api/domain/interview/dto/InterviewReservationResponseDto.java‎

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package dmu.dasom.api.domain.interview.dto;
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import lombok.*;
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@Getter
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@Setter
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@NoArgsConstructor
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@AllArgsConstructor
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@Builder
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public class InterviewReservationResponseDto {
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private Long reservationId; // 예약 ID
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private Long slotId; // 슬롯 ID
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private Long applicantId; // 지원자 ID
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private String reservationCode; // 예약 코드 (학번+전화번호 조합)
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}

‎src/main/java/dmu/dasom/api/domain/interview/dto/InterviewSlotRequestDto.java‎

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package dmu.dasom.api.domain.interview.dto;
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import lombok.*;
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import java.time.LocalDate;
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import java.time.LocalTime;
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@Getter
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@Setter
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@NoArgsConstructor
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@AllArgsConstructor
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@Builder
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public class InterviewSlotRequestDto {
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private LocalDate interviewDate; // 면접 날짜
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private LocalTime startTime; // 시작 시간
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private LocalTime endTime; // 종료 시간
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private Integer maxCandidates; // 최대 지원자 수
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}

‎src/main/java/dmu/dasom/api/domain/interview/dto/InterviewSlotResponseDto.java‎

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package dmu.dasom.api.domain.interview.dto;
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import dmu.dasom.api.domain.interview.entity.InterviewSlot;
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import lombok.*;
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import java.time.LocalDate;
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import java.time.LocalTime;
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@Getter
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@Setter
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@NoArgsConstructor
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@AllArgsConstructor
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@Builder
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public class InterviewSlotResponseDto {
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private Long id; // 슬롯 ID
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private LocalDate interviewDate; // 면접 날짜
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private LocalTime startTime; // 시작 시간
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private LocalTime endTime; // 종료 시간
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private Integer maxCandidates; // 최대 지원자 수
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private Integer currentCandidates; // 현재 예약된 지원자 수
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public InterviewSlotResponseDto(InterviewSlot slot){
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this.id = slot.getId();
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this.interviewDate = slot.getInterviewDate();
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this.startTime = slot.getStartTime();
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this.endTime = slot.getEndTime();
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this.maxCandidates = slot.getMaxCandidates();
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this.currentCandidates = slot.getCurrentCandidates();
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}
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}

‎src/main/java/dmu/dasom/api/domain/interview/entity/InterviewReservation.java‎

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package dmu.dasom.api.domain.interview.entity;
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import dmu.dasom.api.domain.applicant.entity.Applicant;
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import jakarta.persistence.*;
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import lombok.*;
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@Entity
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@Getter
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@Setter
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@NoArgsConstructor
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@AllArgsConstructor
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@Builder
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public class InterviewReservation {
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@Id
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@GeneratedValue(strategy = GenerationType.IDENTITY)
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private Long id;
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@ManyToOne(fetch = FetchType.LAZY)
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@JoinColumn(name = "slot_id", nullable = false)
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private InterviewSlot slot; // 연관된 면접 슬롯
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@ManyToOne(fetch = FetchType.LAZY)
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@JoinColumn(name = "applicant_id", nullable = false)
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private Applicant applicant; // 지원자
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@Column(nullable = false, unique = true, length = 8)
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private String reservationCode; // 학번 뒤 4자리 + 전화번호 뒤 4자리 조합 코드
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}

‎src/main/java/dmu/dasom/api/domain/interview/entity/InterviewSlot.java‎

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package dmu.dasom.api.domain.interview.entity;
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import dmu.dasom.api.domain.interview.enums.Status;
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import jakarta.persistence.*;
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import lombok.*;
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import java.time.LocalDate;
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import java.time.LocalTime;
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@Entity
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@Getter
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@Setter
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@NoArgsConstructor
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@AllArgsConstructor
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@Builder
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public class InterviewSlot {
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@Id
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@GeneratedValue(strategy = GenerationType.IDENTITY)
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private Long id;
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@Column(nullable = false)
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private LocalDate interviewDate;
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@Column(nullable = false)
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private LocalTime startTime;
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@Column(nullable = false)
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private LocalTime endTime; // 종료 시간
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@Column(nullable = false)
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private Integer maxCandidates; // 최대 지원자 수
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@Column(nullable = false)
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private Integer currentCandidates; // 현재 예약된 지원자 수
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@Enumerated(EnumType.STRING)
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@Column(nullable = false, length = 16)
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private Status status; // 면접 슬롯 상태 (ACTIVE, INACTIVE, CLOSED)
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public void incrementCurrentCandidates() {
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this.currentCandidates++;
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if (this.currentCandidates >= this.maxCandidates) {
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this.status = Status.CLOSED; // 최대 지원자 수에 도달하면 상태 변경
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}
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}
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public void decrementCurrentCandidates() {
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this.currentCandidates--;
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if (status == Status.CLOSED && this.currentCandidates < this.maxCandidates) {
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this.status = Status.ACTIVE; // 지원자 수가 줄어들면 다시 활성화
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}
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}
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}

‎src/main/java/dmu/dasom/api/domain/interview/enums/Status.java‎

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package dmu.dasom.api.domain.interview.enums;
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public enum Status {
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ACTIVE, // 활성화된 슬롯
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INACTIVE, // 비활성화된 슬롯
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CLOSED // 예약 마감된 슬롯
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}

‎src/main/java/dmu/dasom/api/domain/interview/repositoty/InterviewReservationRepository.java‎

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package dmu.dasom.api.domain.interview.repositoty;
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import dmu.dasom.api.domain.interview.entity.InterviewReservation;
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import org.springframework.data.jpa.repository.JpaRepository;
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import org.springframework.stereotype.Repository;
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@Repository
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public interface InterviewReservationRepository extends JpaRepository<InterviewReservation, Long> {
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boolean existsByReservationCode(String reservationCode);
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}

‎src/main/java/dmu/dasom/api/domain/interview/repositoty/InterviewSlotRepository.java‎

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package dmu.dasom.api.domain.interview.repositoty;
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import dmu.dasom.api.domain.interview.entity.InterviewSlot;
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import dmu.dasom.api.domain.interview.enums.Status;
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import org.springframework.data.jpa.repository.JpaRepository;
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import org.springframework.stereotype.Repository;
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import java.util.Collection;
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import java.util.List;
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@Repository
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public interface InterviewSlotRepository extends JpaRepository<InterviewSlot, Long> {
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Collection<InterviewSlot> findAllByCurrentCandidatesLessThanMaxCandidates();
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List<InterviewSlot> findAllByStatusAndCurrentCandidatesLessThanMaxCandidates(
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Status status);
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boolean exists();
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}

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