buildInitParams();
            RenderDataUtil.register(data, "notification", fessConfig.getNotificationSearchTop());
        }));
        if (!form.hasConditionQuery()) {
            if (StringUtil.isNotBlank(form.q)) {
                form.as.put("q", new String[] { form.q });
            } else {
                // TODO set default?
            }
        }

    public abstract String getSimilarDocHash();

    public String getTrackTotalHits() {
        return null;
    }

    public Float getMinScore() {
        return null;
    }

    public boolean hasConditionQuery() {
        final Map<String, String[]> conditions = getConditions();
        return !isEmptyArray(conditions.get(AS_Q))//
                || !isEmptyArray(conditions.get(AS_EPQ))//

        }

        @Override
        public Float getMinScore() {
            return parent.getMinScore();
        }

        @Override
        public boolean hasConditionQuery() {
            return parent.hasConditionQuery();
        }

        @Override
        public String[] getResponseFields() {
            return parent.getResponseFields();
        }

        @Override

        if (exists) {
            queryBuf.append(')');
        }
    }

    protected String buildBaseQuery() {
        final StringBuilder queryBuf = new StringBuilder(255);
        if (params.hasConditionQuery()) {
            appendConditions(queryBuf, params.getConditions());
        } else {
            final String query = params.getQuery();
            if (StringUtil.isNotBlank(query)) {