StringBuilder queryString = new StringBuilder();
queryString.append("title:" + keyword + " OR description:"
+ keyword);
listResult = new ArrayList<Tube>();
QueryOptions options;
Query query;
Results<ScoredDocument> docResult;
if (cache != null && cache.containsKey(totalResultPrefix)
&& cache.containsKey(limitPrefix)) {
totalResult = (Integer) cache.get(totalResultPrefix);
limit = (Integer) cache.get(limitPrefix);