backend/src/main/java/nju/seec/helper/data/entity/Question.java

package nju.seec.helper.data.entity;

import lombok.Data;
import nju.seec.helper.data.convert.MapConverter;
import nju.seec.helper.data.convert.SetConverter;
import nju.seec.helper.util.enums.QuestionType;
import org.hibernate.annotations.UpdateTimestamp;

import javax.persistence.*;
import java.time.LocalDateTime;
import java.util.Map;
import java.util.Set;

/**
 * @author cst
 */
@Data
@Entity
@Table(name = "question")
public class Question {
    @Id
    private Integer id;

    @Enumerated(EnumType.STRING)
    private QuestionType type;

    @Column(nullable = false)
    private String stem;

    @Convert(converter = MapConverter.class)
    private Map<String, String> options;

    @Convert(converter = SetConverter.class)
    @Column(nullable = false)
    private Set<String> tags;

    @Convert(converter = SetConverter.class)
    @Column(name = "knowledge_id", nullable = false)
    private Set<String> knowledgeId;

    @Column(name = "last_modified")
    @UpdateTimestamp
    private LocalDateTime lastModified;

    @Column(nullable = false)
    private String answer;

    private String analysis;
}