@ManyToMany(fetch = FetchType.EAGER)
    @JoinTable(name = "folowers", joinColumns = { @JoinColumn(name = "folowed_id", referencedColumnName = "korisnik_id") },      inverseJoinColumns = { @JoinColumn(name = "folowing_id", referencedColumnName = "korisnik_id") })
 private Set<Korisnik> folovedUsers = new HashSet<Korisnik>();


@ManyToMany(mappedBy = "folovedUsers")
 private Set<Korisnik> folowedBy = new HashSet<Korisnik>();