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Commit2ab4346

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Step 4. Adjust JPA model
1 parent1d96c2d commit2ab4346

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3 files changed

+76
-12
lines changed

3 files changed

+76
-12
lines changed
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packageio.amplicode.blog.model;
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importjakarta.persistence.*;
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importorg.hibernate.proxy.HibernateProxy;
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importjava.util.Objects;
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@Entity
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@Table(name ="comments")
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publicclassCommentextendsBaseEntity {
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@Column(name ="text",nullable =false)
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privateStringtext;
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@ManyToOne(fetch =FetchType.LAZY,optional =false)
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@JoinColumn(name ="author_id",nullable =false)
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privateUserauthor;
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publicUsergetAuthor() {
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returnauthor;
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}
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publicvoidsetAuthor(Userauthor) {
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this.author =author;
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}
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publicStringgetText() {
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returntext;
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}
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publicvoidsetText(Stringtext) {
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this.text =text;
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}
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@Override
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publicfinalbooleanequals(Objecto) {
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if (this ==o)returntrue;
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if (o ==null)returnfalse;
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Class<?>oEffectiveClass =oinstanceofHibernateProxy
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? ((HibernateProxy)o).getHibernateLazyInitializer()
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.getPersistentClass()
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:o.getClass();
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Class<?>thisEffectiveClass =thisinstanceofHibernateProxy
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? ((HibernateProxy)this).getHibernateLazyInitializer()
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.getPersistentClass()
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:this.getClass();
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if (thisEffectiveClass !=oEffectiveClass)returnfalse;
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Commentcomment = (Comment)o;
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returngetId() !=null &&Objects.equals(getId(),comment.getId());
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}
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@Override
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publicfinalinthashCode() {
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returnthisinstanceofHibernateProxy
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? ((HibernateProxy)this).getHibernateLazyInitializer()
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.getPersistentClass()
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.hashCode()
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:getClass().hashCode();
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}
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}

‎flyway-and-spring-boot/blog/src/main/java/io/amplicode/blog/model/Post.java‎

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Original file line numberDiff line numberDiff line change
@@ -3,6 +3,8 @@
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importjakarta.persistence.*;
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importjava.time.Instant;
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importjava.util.LinkedHashSet;
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importjava.util.Set;
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@Entity
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@Table(name ="posts")
@@ -21,6 +23,20 @@ public class Post extends BaseEntity {
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@JoinColumn(name ="author_id",nullable =false)
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privateUserauthor;
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@ManyToMany
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@JoinTable(name ="posts_comments",
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joinColumns =@JoinColumn(name ="post_id"),
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inverseJoinColumns =@JoinColumn(name ="comments_id"))
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privateSet<Comment>comments =newLinkedHashSet<>();
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publicSet<Comment>getComments() {
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returncomments;
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}
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publicvoidsetComments(Set<Comment>comments) {
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this.comments =comments;
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}
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publicStringgetTitle() {
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returntitle;
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}

‎flyway-and-spring-boot/blog/src/main/java/io/amplicode/blog/model/User.java‎

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Original file line numberDiff line numberDiff line change
@@ -18,23 +18,12 @@ public class User extends BaseEntity {
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@OneToMany(mappedBy ="author")
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privateSet<Post>posts =newLinkedHashSet<>();
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@Column(name ="email")
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@Column(name ="email",nullable =false)
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privateStringemail;
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@Column(name ="fax")
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privateStringfax;
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@Column(name ="last_activity")
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privateInstantlastActivity;
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publicStringgetFax() {
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returnfax;
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}
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publicvoidsetFax(Stringfax) {
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this.fax =fax;
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}
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publicInstantgetLastActivity() {
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returnlastActivity;
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}

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