return getComponent(LDAP_MANAGER);
    }

    /**
     * Gets the activity helper component.
     * @return The activity helper.
     */
    public static ActivityHelper getActivityHelper() {
        return getComponent(ACTIVITY_HELPER);
    }

    /**
     * Gets the request manager component.
     * @return The request manager.
     */

                permissions = distinct(ArrayUtils.addAll(ldapManager.getRoles(this, baseDn, accountFilter, groupFilter, roles -> {
                    permissions = distinct(roles);
                    ComponentUtil.getActivityHelper().permissionChanged(OptionalThing.of(new FessUserBean(this)));
                }), fessConfig.getRoleSearchUserPrefix() + ldapManager.normalizePermissionName(getName())));
            } else {

                } catch (final Exception e) {
                    // Ignore - background job context
                }
            }

            ComponentUtil.getActivityHelper().scriptExecution(getName(), script, source, user, result);
        } catch (final Exception e) {
            if (logger.isDebugEnabled()) {
                logger.debug("Failed to log script execution", e);

                if (logger.isDebugEnabled()) {
                    logger.debug("[scheduleParentGroupLookup] Notifying permission change for user: {}", user.getName());
                }
                ComponentUtil.getActivityHelper().permissionChanged(OptionalThing.of(new FessUserBean(user)));
            } catch (final Exception e) {
                final long elapsedTime = System.currentTimeMillis() - startTime;