docs: @Override
      public List<Assignment> findAssignments() {
          List<Assignment> assignmentList;
          try {
              assignmentList = createAssignments(ldapDao.getDirectChildren(DnFactory.assignments()));
          } catch (NoSuchNodeException | MissingParentException e) {
              LOGGER.error("LDAP exception", e);
              throw new LdapRuntimeException(e);
          }
          return assignmentList;
      }