com.linksinnovation.elearning.model.Quiz.java Source code

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Here is the source code for com.linksinnovation.elearning.model.Quiz.java

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/*
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package com.linksinnovation.elearning.model;

import com.fasterxml.jackson.annotation.JsonBackReference;
import com.fasterxml.jackson.annotation.JsonManagedReference;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Objects;
import java.util.Set;
import javax.persistence.CascadeType;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.ManyToOne;
import javax.persistence.OneToMany;
import javax.persistence.OrderBy;

/**
 *
 * @author Jirawong Wongdokpuang <jirawong@linksinnovation.com>
 */
@Entity
public class Quiz {
    @Id
    @GeneratedValue
    private Long id;

    private String question;

    @OneToMany(cascade = CascadeType.ALL, mappedBy = "quiz")
    @JsonManagedReference
    @OrderBy("id ASC")
    private List<Answer> answers = new ArrayList<>();

    @ManyToOne
    @JsonBackReference
    private Course course;

    public Long getId() {
        return id;
    }

    public void setId(Long id) {
        this.id = id;
    }

    public String getQuestion() {
        return question;
    }

    public void setQuestion(String question) {
        this.question = question;
    }

    public List<Answer> getAnswers() {
        return answers;
    }

    public void setAnswers(List<Answer> answers) {
        answers.stream().forEach((ans) -> {
            ans.setQuiz(this);
        });
        this.answers = answers;
    }

    public Course getCourse() {
        return course;
    }

    public void setCourse(Course course) {
        this.course = course;
    }

    @Override
    public int hashCode() {
        int hash = 7;
        hash = 37 * hash + Objects.hashCode(this.id);
        return hash;
    }

    @Override
    public boolean equals(Object obj) {
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        final Quiz other = (Quiz) obj;
        if (!Objects.equals(this.id, other.id)) {
            return false;
        }
        return true;
    }

}