Temp Java POJO

import java.util.Date;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;

import net.arnx.jsonic.JSON;

import org.hibernate.annotations.Table;

@Entity(name = "temp")
@Table(appliesTo = "temp")
public class Temp {

    @Id
    @GeneratedValue
    private Long id;

    @Column(name = "student_id")
    private Long studentId;

    @Column(name = "current")
    private Boolean current;

    @Column(name = "closed_at")
    private Date closedAt;

    /**
     * @return the id
     */
    public Long getId() {
        return id;
    }

    /**
     * @param id the id to set
     */
    public void setId(Long id) {
        this.id = id;
    }

    /**
     * @return the studentId
     */
    public Long getStudentId() {
        return studentId;
    }

    /**
     * @param studentId the studentId to set
     */
    public void setStudentId(Long studentId) {
        this.studentId = studentId;
    }

    /**
     * @return the current
     */
    public Boolean getCurrent() {
        return current;
    }

    /**
     * @param current the current to set
     */
    public void setCurrent(Boolean current) {
        this.current = current;
    }

    /**
     * @return the closedAt
     */
    public Date getClosedAt() {
        return closedAt;
    }

    /**
     * @param closedAt the closedAt to set
     */
    public void setClosedAt(Date closedAt) {
        this.closedAt = closedAt;
    }

    @Override
    public String toString() {
        return JSON.encode(this);
    }
}