follow

FollowInfo.java
/******************************/
    @ManyToOne
    @JoinColumn(name = "idUser", referencedColumnName = "user_id", nullable = false)
    private User idUser;


    @ManyToOne
    @JoinColumn(name = "idFollower", referencedColumnName = "user_id", nullable = false)
    private User idFollower;
/******************************/

User.java
/*********************************************************************/
 @OneToMany(mappedBy = "user", cascade = CascadeType.PERSIST)
      private List<FollowInfo> followers = new LinkedList<FollowInfo>();

      @OneToMany(mappedBy = "user2",cascade = CascadeType.PERSIST)
      private List<FollowInfo> followed = new LinkedList<FollowInfo>();

/*********************************************************************/