post entity

src/main/java/com/example/oneul/model/Post.java

@@ -2,22 +2,93 @@ package com.example.oneul.model;
 
 import java.time.LocalDateTime;
 
+import javax.persistence.Access;
+import javax.persistence.AccessType;
+import javax.persistence.Column;
 import javax.persistence.Entity;
+import javax.persistence.FetchType;
 import javax.persistence.GeneratedValue;
 import javax.persistence.Id;
+import javax.persistence.ManyToOne;
 
 import org.springframework.data.annotation.CreatedDate;
 
-import lombok.Getter;
-import lombok.NoArgsConstructor;
-
-@Getter
-@NoArgsConstructor
 @Entity
 public class Post {
     @Id @GeneratedValue
     private Long id;
     @CreatedDate
     private LocalDateTime createdAt;
+    @Column(nullable = false)
     private String content;
+    @Access(AccessType.PROPERTY)
+    @ManyToOne(fetch = FetchType.LAZY, optional = false)
+    private UserEntity writer;
+
+    public Post(Long id, LocalDateTime createdAt, String content, UserEntity writer){
+        this.id = id;
+        this.createdAt = createdAt;
+        this.content = content;
+        this.writer = writer;
+    }
+
+    public Long getId(){
+        return this.id;
+    }
+
+    public LocalDateTime getCreatedAt(){
+        return this.createdAt;
+    }
+
+    public String getContent(){
+        return this.content;
+    }
+
+    public UserEntity getWriter(){
+        return this.writer;
+    }
+    
+    @Override
+    public String toString(){
+        return "Post["
+            + "id: " + this.id
+            + ", createdAt: " + this.createdAt
+            + ", content: " + this.content
+            + "writer: " + this.writer.getId()
+            + "]";
+    }
+
+    public static class Builder {
+        private Long id;
+        private String content;
+        private LocalDateTime createdAt;
+        private UserEntity writer;
+
+        public Post build(){
+            return new Post(
+                id, 
+                createdAt, 
+                content, 
+                writer);
+        }
+        public Builder id(Long id){
+            this.id = id;
+            return this;
+        }
+
+        public Builder createdAt(LocalDateTime createdAt){
+            this.createdAt = createdAt;
+            return this;
+        }
+
+        public Builder content(String content){
+            this.content = content;
+            return this;
+        }
+
+        public Builder writer(UserEntity writer){
+            this.writer = writer;
+            return this;
+        }
+    }
 }

src/main/java/com/example/oneul/model/UserEntity.java

@@ -1,11 +1,14 @@
 package com.example.oneul.model;
 
 import java.time.LocalDateTime;
+import java.util.Set;
 
+import javax.persistence.CascadeType;
 import javax.persistence.Column;
 import javax.persistence.Entity;
 import javax.persistence.GeneratedValue;
 import javax.persistence.Id;
+import javax.persistence.OneToMany;
 
 import org.springframework.data.annotation.CreatedDate;
 
@@ -13,13 +16,15 @@ import org.springframework.data.annotation.CreatedDate;
 public class UserEntity {
     @Id @GeneratedValue
     private Long id;
-    @Column(nullable = false)
+    @Column(nullable = false, unique = true)
     private String username;
     @Column(nullable = false)
     private String password;
     @CreatedDate
     private LocalDateTime createdAt;
-
+    @OneToMany(orphanRemoval = true, cascade = CascadeType.REMOVE)
+    private Set<Post> posts;
+    
     public Long getId(){
         return this.id;
     }