[토닉] 1단계: 엔티티 매핑

src/main/java/qna/domain/Answer.java

@@ -1,19 +1,51 @@
 package qna.domain;
 
+import java.time.LocalDateTime;
+import java.util.Objects;
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.Lob;
 import qna.NotFoundException;
 import qna.UnAuthorizedException;
 
-import java.util.Objects;
-
+@Entity
 public class Answer {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
-    private Long writerId;
+
+    @Column(nullable = false)
+    private LocalDateTime createdAt;
+
+    @Column(nullable = false)
+    private boolean deleted = false;
+
     private Long questionId;
+    private LocalDateTime updatedAt;
+    private Long writerId;
+
+    @Lob
     private String contents;
-    private boolean deleted = false;
 
-    public Answer(User writer, Question question, String contents) {
-        this(null, writer, question, contents);
+
+    public Answer(Long id, LocalDateTime createdAt, boolean deleted, Long questionId, LocalDateTime updatedAt,
+                  Long writerId, String contents) {
+        this.id = id;
+        this.createdAt = createdAt;
+        this.deleted = deleted;
+        this.questionId = questionId;
+        this.updatedAt = updatedAt;
+        this.writerId = writerId;
+        this.contents = contents;
+    }
+
+    public Answer(LocalDateTime createdAt, boolean deleted, Long questionId, LocalDateTime updatedAt,
+                  Long writerId, String contents) {
+        this(null, createdAt, deleted, questionId, updatedAt, writerId, contents);
     }
 
     public Answer(Long id, User writer, Question question, String contents) {
@@ -32,6 +64,9 @@ public Answer(Long id, User writer, Question question, String contents) {
         this.contents = contents;
     }
 
+    public Answer() {
+    }
+
     public boolean isOwner(User writer) {
         return this.writerId.equals(writer.getId());
     }
@@ -40,46 +75,10 @@ public void toQuestion(Question question) {
         this.questionId = question.getId();
     }
 
-    public Long getId() {
-        return id;
-    }
-
-    public void setId(Long id) {
-        this.id = id;
-    }
-
-    public Long getWriterId() {
-        return writerId;
-    }
-
-    public void setWriterId(Long writerId) {
-        this.writerId = writerId;
-    }
-
-    public Long getQuestionId() {
-        return questionId;
-    }
-
-    public void setQuestionId(Long questionId) {
-        this.questionId = questionId;
-    }
-
-    public String getContents() {
-        return contents;
-    }
-
-    public void setContents(String contents) {
-        this.contents = contents;
-    }
-
     public boolean isDeleted() {
         return deleted;
     }
 
-    public void setDeleted(boolean deleted) {
-        this.deleted = deleted;
-    }
-
     @Override
     public String toString() {
         return "Answer{" +
@@ -90,4 +89,16 @@ public String toString() {
                 ", deleted=" + deleted +
                 '}';
     }
+
+    public void setDeleted(boolean deleted) {
+        this.deleted = deleted;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public Long getWriterId() {
+        return writerId;
+    }
 }

src/main/java/qna/domain/DeleteHistory.java

@@ -2,9 +2,20 @@
 
 import java.time.LocalDateTime;
 import java.util.Objects;
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.EnumType;
+import javax.persistence.Enumerated;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
 
+@Entity
 public class DeleteHistory {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
+    @Enumerated(EnumType.STRING)
     private ContentType contentType;
     private Long contentId;
     private Long deletedById;
@@ -17,6 +28,8 @@ public DeleteHistory(ContentType contentType, Long contentId, Long deletedById,
         this.createDate = createDate;
     }
 
+    public DeleteHistory() {}
+
     @Override
     public boolean equals(Object o) {
         if (this == o) return true;

src/main/java/qna/domain/DeleteHistoryRepository.java

@@ -1,6 +1,8 @@
 package qna.domain;
 
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
 
+@Repository
 public interface DeleteHistoryRepository extends JpaRepository<DeleteHistory, Long> {
 }

src/main/java/qna/domain/Question.java

@@ -1,11 +1,29 @@
 package qna.domain;
 
+import java.time.LocalDateTime;
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.Lob;
+
+@Entity
 public class Question {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
-    private String title;
+    @Lob
     private String contents;
-    private Long writerId;
+    @Column(nullable = false)
+    private LocalDateTime createdAt;
+    @Column(nullable = false)
     private boolean deleted = false;
+    @Column(nullable = false, length = 100)
+    private String title;
+    private LocalDateTime updatedAt;
+    private Long writerId;
 
     public Question(String title, String contents) {
         this(null, title, contents);
@@ -17,6 +35,10 @@ public Question(Long id, String title, String contents) {
         this.contents = contents;
     }
 
+    public Question() {
+
+    }
+
     public Question writeBy(User writer) {
         this.writerId = writer.getId();
         return this;
@@ -34,34 +56,10 @@ public Long getId() {
         return id;
     }
 
-    public void setId(Long id) {
-        this.id = id;
-    }
-
-    public String getTitle() {
-        return title;
-    }
-
-    public void setTitle(String title) {
-        this.title = title;
-    }
-
-    public String getContents() {
-        return contents;
-    }
-
-    public void setContents(String contents) {
-        this.contents = contents;
-    }
-
     public Long getWriterId() {
         return writerId;
     }
 
-    public void setWriterId(Long writerId) {
-        this.writerId = writerId;
-    }
-
     public boolean isDeleted() {
         return deleted;
     }

src/main/java/qna/domain/User.java

@@ -1,23 +1,35 @@
 package qna.domain;
 
+import java.time.LocalDateTime;
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
 import qna.UnAuthorizedException;
 
 import java.util.Objects;
 
+@Entity
 public class User {
     public static final GuestUser GUEST_USER = new GuestUser();
 
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
-    private String userId;
-    private String password;
-    private String name;
+    @Column(nullable = false)
+    private LocalDateTime createdAt;
+    @Column(length = 50)
     private String email;
+    @Column(nullable = false, length = 20)
+    private String name;
+    @Column(nullable = false, length = 20)
+    private String password;
+    private LocalDateTime updatedAt;
+    @Column(nullable = false, length = 20)
+    private String userId;
 
-    private User() {
-    }
-
-    public User(String userId, String password, String name, String email) {
-        this(null, userId, password, name, email);
+    public User() {
     }
 
     public User(Long id, String userId, String password, String name, String email) {
@@ -66,42 +78,6 @@ public Long getId() {
         return id;
     }
 
-    public void setId(Long id) {
-        this.id = id;
-    }
-
-    public String getUserId() {
-        return userId;
-    }
-
-    public void setUserId(String userId) {
-        this.userId = userId;
-    }
-
-    public String getPassword() {
-        return password;
-    }
-
-    public void setPassword(String password) {
-        this.password = password;
-    }
-
-    public String getName() {
-        return name;
-    }
-
-    public void setName(String name) {
-        this.name = name;
-    }
-
-    public String getEmail() {
-        return email;
-    }
-
-    public void setEmail(String email) {
-        this.email = email;
-    }
-
     @Override
     public String toString() {
         return "User{" +

src/main/java/qna/service/DeleteHistoryService.java

@@ -1,13 +1,12 @@
 package qna.service;
 
+import java.util.List;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Propagation;
 import org.springframework.transaction.annotation.Transactional;
 import qna.domain.DeleteHistory;
 import qna.domain.DeleteHistoryRepository;
 
-import java.util.List;
-
 @Service
 public class DeleteHistoryService {
     private DeleteHistoryRepository deleteHistoryRepository;

src/main/java/subway/Application.java

@@ -0,0 +1,12 @@
+package subway;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class Application {
+    public static void main(String[] args) {
+        SpringApplication.run(Application.class, args);
+    }
+}
+