/**
   * Remove units that don't have at least one valid hsaBusinessClassificationCode.
   *
   * @param units
   * @param showUnitsWithTheseHsaBusinessClassificationCodes
   */
  @Override
  protected void removeUnallowedUnits(
      SikSearchResultList<Unit> units,
      List<Integer> showUnitsWithTheseHsaBusinessClassificationCodes) {

    // Get all health care types that are unfiltered
    HealthcareTypeConditionHelper htch = new HealthcareTypeConditionHelper();
    List<HealthcareType> allUnfilteredHealthcareTypes = htch.getAllUnfilteredHealthCareTypes();

    for (int j = units.size() - 1; j >= 0; j--) {
      List<String> businessClassificationCodes = units.get(j).getHsaBusinessClassificationCode();
      boolean found =
          unitHasValidBusinessClassificationCode(
              showUnitsWithTheseHsaBusinessClassificationCodes, businessClassificationCodes);

      // The unit might still be valid because of the unfiltered healthcare types
      if (!found) {
        // If this unit does not match any unfiltered health care type, don't include in search
        // result
        found = unitMatchesUnfilteredHealtcareType(units.get(j), allUnfilteredHealthcareTypes);
      }

      if (found) {
        units.remove(units.get(j));
      }
    }
  }
 @Test
 public void searchWithoutUnitNameCallsSearchServiceOnceEvenIfNoUnitsAreFound() throws Exception {
   this.form.setMunicipality("Kungälv");
   this.searchService.addSearchAdvancedUnitsSearchResult(new SikSearchResultList<Unit>());
   SikSearchResultList<Unit> result =
       this.strategy.performSearch(
           this.form, new UnitNameComparator(), 0, this.searchService, false);
   assertEquals("search service call count", 1, this.searchService.searchAdvancedUnitsCallCount);
   assertEquals("result count", 0, result.size());
 }
  /**
   * Searches for units by the criterias specified in the provided form.
   *
   * @param theForm The form with the search criterias.
   * @return A list of matching units.
   * @throws KivException If no units were found with the provided criterias or if no connection to
   *     the LDAP server could be made.
   */
  public SikSearchResultList<Unit> doSearch(UnitSearchSimpleForm theForm) throws KivException {
    LOGGER.debug(CLASS_NAME + ".doSearch()");

    SikSearchResultList<Unit> list = new SikSearchResultList<Unit>();
    try {
      TimeMeasurement overAllTime = new TimeMeasurement();

      // start measurement
      overAllTime.start();
      if (!theForm.isEmpty()) {
        SearchUnitCriterions u = this.mapSearchCriterias(theForm);
        int currentMaxSearchResult = this.maxSearchResult;
        if ("true".equals(theForm.getShowAll())) {
          currentMaxSearchResult = Integer.MAX_VALUE;
        }
        list = this.getSearchService().searchUnits(u, currentMaxSearchResult);

        // stop measurement
        overAllTime.stop();

        if (list == null) {
          list = new SikSearchResultList<Unit>();
        }
        LogUtils.printSikSearchResultListToLog(this, "doSearch", overAllTime, LOGGER, list);
        if (list.size() == 0) {
          throw new KivNoDataFoundException();
        } else {
          Collections.sort(list, new UnitNameComparator());
        }
      }
    } catch (KivNoDataFoundException e) {
      throw e;
    } catch (KivException e) {
      LOGGER.error(e);
      list = new SikSearchResultList<Unit>();
    }
    return list;
  }