为自参考父母子女添加一对多关系

@oneToMany(mappedBy="manager") private List<Course> managedCourses = new ArrayList<Course>();@oneToMany(mappedBy="lecturer")private List<Course> lectuedCourses = new ArrayList<Course>();

…

@Entity@Table(name = "courses")@Componentpublic class Course implements Serializable@ManyToOne@JoinColumn(name="lecturer_id", insertable=false, updatable=false)private Employee lecturer;@ManyToOne@JoinColumn(name="manager_id", insertable=false, updatable=false)private Employee manager;