/**
   * Counts the number of intrant in the database, that match the criteria
   *
   * @return the count
   */
  @Transactional(readOnly = true)
  public Long countIntrant(ImogJunction criterions) {

    ImogActor actor = HttpSessionUtil.getCurrentUser();
    ImogJunction junction = createFilterJuntion(actor);
    if (criterions != null) junction.add(criterions);

    return dao.count(junction);
  }