*
     * @param field the field name to check
     * @return true if the field can be used for sorting, false otherwise
     */
    protected boolean isSortField(final String field) {
        for (final String f : sortFields) {
            if (f.equals(field)) {
                return true;
            }
        }
        return false;
    }

    /**

        }).createPageNumberList());

        return requestHeaderList;
    }

    /**
     * Retrieves a specific request header by its ID.
     *
     * @param id the unique identifier of the request header
     * @return an OptionalEntity containing the request header if found, empty otherwise
     */
    public OptionalEntity<RequestHeader> getRequestHeader(final String id) {
        return requestHeaderBhv.selectByPK(id);
    }

    assertNull("remove(notPresent) should return null", getMap().remove(k3()));
    expectUnchanged();
  }

  @MapFeature.Require({SUPPORTS_REMOVE, ALLOWS_NULL_KEYS})
  @CollectionSize.Require(absent = ZERO)
  public void testRemove_nullPresent() {
    initMapWithNullKey();

    int initialSize = getMap().size();
    assertEquals(
        "remove(null) should return the associated value",
        getValueForNullKey(),

      // multiple times
      return target == that.target && method.equals(that.method);
    }
    return false;
  }

  /**
   * Checks whether {@code method} is thread-safe, as indicated by the presence of the {@link
   * AllowConcurrentEvents} annotation.
   */
  private static boolean isDeclaredThreadSafe(Method method) {
    return method.getAnnotation(AllowConcurrentEvents.class) != null;
  }

     * @return The default current page number.
     */
    protected int getDefaultCurrentPageNumber() {
        return Constants.DEFAULT_ADMIN_PAGE_NUMBER;
    }

    /**
     * Gets the default page size from configuration.
     * @return The default page size.
     */
    protected int getDefaultPageSize() {
        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();

     *
     * @return The default current page number
     */
    protected int getDefaultCurrentPageNumber() {
        return DEFAULT_CURRENT_PAGE_NUMBER;
    }

    /**
     * Gets the total number of records.
     *
     * @return The total record count
     */
    public int getAllRecordCount() {
        return allRecordCount;
    }

    /**

     * @return MD4 digest instance
     */
    public static MessageDigest getMD4() {
        try {
            return MessageDigest.getInstance("MD4", getProvider());
        } catch (final NoSuchAlgorithmException e) {
            throw new CIFSUnsupportedCryptoException(e);
        }
    }

    /**
     * Get an MD5 message digest instance.
     * @return MD5 digest instance
     */

    @Override
    public String asTableDbName() {
        return asEsIndexType();
    }

    @Override
    protected String asEsIndex() {
        return "fess_config.scheduled_job";
    }

    @Override
    public String asEsIndexType() {
        return "scheduled_job";
    }

    @Override
    public String asEsSearchType() {
        return "scheduled_job";
    }

    @Override

    public ScheduledJobDbm asDBMeta() {
        return ScheduledJobDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "scheduled_job";
    }

    @Override
    public boolean hasSpecifiedColumn() {
        return _specification != null;
    }

    @Override
    public ConditionQuery localCQ() {
        return doGetConditionQuery();
    }

    public WebAuthenticationDbm asDBMeta() {
        return WebAuthenticationDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "web_authentication";
    }

    @Override
    public boolean hasSpecifiedColumn() {
        return _specification != null;
    }

    @Override
    public ConditionQuery localCQ() {
        return doGetConditionQuery();
    }