Add domain for users, posts, comments

src/main/java/com/cubetiqs/demo/domain/PostEntity.java

@@ -0,0 +1,29 @@
+package com.cubetiqs.demo.domain;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+import java.util.Collection;
+import java.util.List;
+
+@Entity
+@Table(name = "posts")
+@EqualsAndHashCode(callSuper = true)
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+public class PostEntity extends BaseEntity<Long> {
+    @Column
+    private String title;
+    @Column(columnDefinition = "TEXT")
+    private String contents;
+    @ManyToOne(fetch = FetchType.EAGER, cascade = {CascadeType.REFRESH, CascadeType.DETACH})
+    @JoinColumn(name = "user_id")
+    private UserEntity user;
+
+    @OneToMany(mappedBy = "post", fetch = FetchType.EAGER, cascade = {CascadeType.ALL}, orphanRemoval = true)
+    private Collection<CommentEntity> comments;
+}