return userBhv.selectByPK(id).map(u -> ComponentUtil.getAuthenticationManager().load(u));
    }

    public OptionalEntity<User> getUserByName(final String username) {
        return userBhv.selectEntity(cb -> {
            cb.query().setName_Equal(username);
        });
    }

    public void store(final User user) {
        if (StringUtil.isBlank(user.getSurname())) {
            user.setSurname(user.getName());

        throw new UnsupportedOperationException("checkCredential is not supported.");
    }

    @Override
    protected OptionalEntity<FessUser> doFindLoginUser(final String username) {
        return userBhv.selectEntity(cb -> {
            cb.query().setName_Equal(username);
        }).map(user -> (FessUser) user);
    }

    // ===================================================================================

exentity  : extended entities
- - - - - - - - - -/

For example, if a table called "MEMBER" exists,
you can use these classes like this:
/- - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
memberBhv.selectEntity(cb -> {
    cb.query().setMemberId_Equal(3);
}).alwaysPresent(member -> {
    ... = member.getMemberName();
});
// memberBhv      : Behavior (instance)
// MemberCB(cb)   : ConditionBean
// Member(member) : Entity

                            .get(stream -> stream.filter(StringUtil::isNotBlank).distinct().toArray(n -> new String[n]));
                    ElevateWord elevateWord = elevateWordBhv.selectEntity(cb -> {
                        cb.query().setSuggestWord_Equal(suggestWord);
                        if (permissions.length > 0) {

        final String token = ComponentUtil.getAccessTokenHelper().getAccessTokenFromRequest(request);
        if (StringUtil.isNotBlank(token)) {
            return accessTokenBhv.selectEntity(cb -> {
                cb.query().setToken_Term(token);
            }).map(accessToken -> {
                final Set<String> permissionSet = new HashSet<>();

        if (crawlingInfo != null) {
            final CrawlingInfoBhv crawlingInfoBhv = ComponentUtil.getComponent(CrawlingInfoBhv.class);
            crawlingInfo = crawlingInfoBhv.selectEntity(cb -> {
                cb.query().docMeta().setId_Equal(getCrawlingInfoId());
            });
        }
        return crawlingInfo;
    }

    public String getKeyMsg() {

    public int selectCount(CBCall<CrawlingInfoCB> cbLambda) {
        return facadeSelectCount(createCB(cbLambda));
    }

    public OptionalEntity<CrawlingInfo> selectEntity(CBCall<CrawlingInfoCB> cbLambda) {
        return facadeSelectEntity(createCB(cbLambda));
    }

    protected OptionalEntity<CrawlingInfo> facadeSelectEntity(CrawlingInfoCB cb) {

    public int selectCount(CBCall<RoleCB> cbLambda) {
        return facadeSelectCount(createCB(cbLambda));
    }

    public OptionalEntity<Role> selectEntity(CBCall<RoleCB> cbLambda) {
        return facadeSelectEntity(createCB(cbLambda));
    }

    protected OptionalEntity<Role> facadeSelectEntity(RoleCB cb) {

    public int selectCount(CBCall<BoostDocumentRuleCB> cbLambda) {
        return facadeSelectCount(createCB(cbLambda));
    }

    public OptionalEntity<BoostDocumentRule> selectEntity(CBCall<BoostDocumentRuleCB> cbLambda) {
        return facadeSelectEntity(createCB(cbLambda));
    }

    protected OptionalEntity<BoostDocumentRule> facadeSelectEntity(BoostDocumentRuleCB cb) {

    public int selectCount(CBCall<DataConfigCB> cbLambda) {
        return facadeSelectCount(createCB(cbLambda));
    }

    public OptionalEntity<DataConfig> selectEntity(CBCall<DataConfigCB> cbLambda) {
        return facadeSelectEntity(createCB(cbLambda));
    }

    protected OptionalEntity<DataConfig> facadeSelectEntity(DataConfigCB cb) {