public ArrayList<DigestURI> find(final String querystring, int count) {
// make a query and start a search
final QueryParams query = new QueryParams(querystring, count, null, this, textRankingDefault, "DocumentIndex");
final ReferenceOrder order = new ReferenceOrder(query.ranking, UTF8.getBytes(query.targetlang));
final RWIProcess rankedCache = new RWIProcess(query, order, SearchEvent.max_results_preparation);
rankedCache.start();
// search is running; retrieve results
URIMetadataRow row;
final ArrayList<DigestURI> files = new ArrayList<DigestURI>();
Components metadata;