CommentEntity.java

package demo.codeexample.comment;

import demo.codeexample.task.infrastructure.adapters.out.persistence.TaskEntity;
import jakarta.persistence.*;
import lombok.AccessLevel;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;
import org.hibernate.proxy.HibernateProxy;

import java.time.LocalDateTime;
import java.util.Objects;

@Getter
@Setter
@NoArgsConstructor
@Entity
public class CommentEntity {

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    @Setter(AccessLevel.NONE)
    private Long id;

    @Column(nullable = false, length = 300)
    private String content;

    @Column(nullable = false)
    private Long writerId;

    @ManyToOne(optional = false, fetch = FetchType.LAZY)
    @JoinColumn(name = "task_id")
    private TaskEntity task;

    @Column(nullable = false, updatable = false)
    private LocalDateTime createdAt;

    public CommentEntity(String content, Long writerId, TaskEntity task) {
        this.content = content;
        this.writerId = writerId;
        this.task = task;
    }

    @PrePersist
    protected void onCreate() {
        this.createdAt = LocalDateTime.now();
    }

    @Override
    public final boolean equals(Object o) {
        if (this == o) return true;
        if (o == null) return false;
        Class<?> oEffectiveClass = o instanceof HibernateProxy ? ((HibernateProxy) o).getHibernateLazyInitializer().getPersistentClass() : o.getClass();
        Class<?> thisEffectiveClass = this instanceof HibernateProxy ? ((HibernateProxy) this).getHibernateLazyInitializer().getPersistentClass() : this.getClass();
        if (thisEffectiveClass != oEffectiveClass) return false;
        CommentEntity that = (CommentEntity) o;
        return getId() != null && Objects.equals(getId(), that.getId());
    }

    @Override
    public final int hashCode() {
        return this instanceof HibernateProxy ? ((HibernateProxy) this).getHibernateLazyInitializer().getPersistentClass().hashCode() : getClass().hashCode();
    }
}