}

    protected String getHostKey(final RelatedQuery entity) {
        final String key = entity.getVirtualHost();
        return StringUtil.isBlank(key) ? StringUtil.EMPTY : key;
    }

    public String[] getRelatedQueries(final String query) {
        final String key = ComponentUtil.getVirtualHostHelper().getVirtualHostKey();
        final Map<String, String[]> map = relatedQueryMap.get(key);
        if (map != null) {

                    final RelatedQueryHelper relatedQueryHelper = ComponentUtil.getRelatedQueryHelper();
                    final String[] relatedQueries = relatedQueryHelper.getRelatedQueries(query);
                    if (relatedQueries.length == 0) {
                        appendQuery(queryBuf, query);
                    } else {
                        queryBuf.append('(');