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package entities;

import java.io.Serializable;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;

/**
 *
 * @author Szilárd
 */
@Entity
@NamedQueries({
    @NamedQuery(name = "LessonStudent.findByLessonId", query = "SELECT l FROM LessonStudent l WHERE l.lessonId = :lessonId AND l.studentId = :studentId"),
    @NamedQuery(name = "LessonStudent.findStudents", query = "SELECT l FROM LessonStudent l WHERE l.lessonId = :lessonId"),
    @NamedQuery(name = "LessonStudent.findById", query = "SELECT l FROM LessonStudent l WHERE l.id = :id"),
    @NamedQuery(name = "LessonStudent.update", query = "UPDATE LessonStudent l SET l.lessonId = :lessonId  WHERE l.id = :id"),
    @NamedQuery(name = "LessonStudent.delete", query = "DELETE FROM LessonStudent l WHERE l.id = :id")
})
public class LessonStudent implements Serializable {
    private static final long serialVersionUID = 1L;
    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    private Long id;

    public Long getId() {
        return id;
    }

    public void setId(Long id) {
        this.id = id;
    }
    @JoinColumn(name = "Lesson_Id", referencedColumnName = "ID")
    @ManyToOne
    private Lesson lessonId;

    public Lesson getLessonId() {
        return lessonId;
    }

    public void setLessonId(Lesson lessonId) {
        this.lessonId = lessonId;
    }

    @JoinColumn(name = "Student_Id", referencedColumnName = "ID")
    @ManyToOne
    private Users studentId;

    public Users getStudentId() {
        return studentId;
    }

    public void setStudentId(Users studentId) {
        this.studentId = studentId;
    }

    @Override
    public int hashCode() {
        int hash = 0;
        hash += (id != null ? id.hashCode() : 0);
        return hash;
    }

    @Override
    public boolean equals(Object object) {
        // TODO: Warning - this method won't work in the case the id fields are not set
        if (!(object instanceof LessonStudent)) {
            return false;
        }
        LessonStudent other = (LessonStudent) object;
        if ((this.id == null && other.id != null) || (this.id != null && !this.id.equals(other.id))) {
            return false;
        }
        return true;
    }

    @Override
    public String toString() {
        return "entities.LessonStudent[id=" + id + "]";
    }

}
