Course

package university;

import Base.BaseEntity;
import javax.persistence.*;
import java.util.Set;


@Entity
@Table(name = "courses", schema = "university_db", catalog = "university_db")
public class Course extends BaseEntity {
    private String name;
    private String description;
    private String startDate;
    private String endDate;
    private double credits;
    private Set<Student> students;
    private Teacher teacher;

    public Course() {
    }

    @Column(name = "name", nullable = false, unique = true)
    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    @Column(name = "description")
    public String getDescription() {
        return description;
    }

    public void setDescription(String description) {
        this.description = description;
    }

    @Column(name = "start_date")
    public String getStartDate() {
        return startDate;
    }

    public void setStartDate(String startDate) {
        this.startDate = startDate;
    }

    @Column(name = "end_date")
    public String getEndDate() {
        return endDate;
    }

    public void setEndDate(String endDate) {
        this.endDate = endDate;
    }

    @Column(name = "credits")
    public double getCredits() {
        return credits;
    }

    public void setCredits(double credits) {
        this.credits = credits;
    }

    @ManyToMany(mappedBy = "courses", targetEntity = Student.class,
            fetch = FetchType.LAZY, cascade = CascadeType.ALL)
    public Set<Student> getStudents() {
        return students;
    }

    public void setStudents(Set<Student> students) {
        this.students = students;
    }

    @ManyToOne
    @JoinColumn(name="teacher_id", referencedColumnName = "id")
    public Teacher getTeacher() {
        return teacher;
    }

    public void setTeacher(Teacher teacher) {
        this.teacher = teacher;
    }
}