@Override
  protected void addGroupsToModel(VdcQueryReturnValue returnValue, Set<String> excludeUsers) {
    Iterable<DbGroup> filteredGroups =
        Linq.where(
            (ArrayList<DbGroup>) returnValue.getReturnValue(),
            new Linq.DbGroupPredicate(getTargetDbGroup()));

    for (DbGroup group : filteredGroups) {
      if (!excludeUsers.contains(group.getId().toString())) {
        DbUser dbUser = new DbUser();
        dbUser.setExternalId(group.getExternalId());
        dbUser.setFirstName(group.getName());
        dbUser.setLastName(""); // $NON-NLS-1$
        dbUser.setLoginName(""); // $NON-NLS-1$
        dbUser.setDomain(group.getDomain());
        dbUser.setNamespace(group.getNamespace());

        EntityModel entity = new EntityModel();
        entity.setEntity(dbUser);
        getgroups().add(entity);
      }
    }
  }
 private DbUser getTargetDbUser() {
   DbUser dbUser = new DbUser();
   dbUser.setLoginName(getSearchString());
   dbUser.setDomain((getProfile().getSelectedItem()).getAuthz());
   return dbUser;
 }