public CoolResponse execute() throws CoolQueryException {
try {
Query query = QueryFactory.create(queryString, Syntax.syntaxARQ);
System.gc();
long time_model = System.currentTimeMillis();
long memory_model = StatsUtil.getMemoryUsed(Runtime.getRuntime());
Model model = pairing.getCorrespondingModel();
memory_model = StatsUtil.getMemoryUsed(Runtime.getRuntime()) - memory_model;
time_model = System.currentTimeMillis() - time_model;
System.gc();
long time_query = System.currentTimeMillis();
long memory_query = StatsUtil.getMemoryUsed(Runtime.getRuntime());
QueryExecution exec = QueryExecutionFactory.create(query, model);
ResultSet rs;
try {
rs = exec.execSelect();
} catch (Exception e) {
exec.close();
throw new CoolQueryException("Error while sparql exec (" + e.getMessage() + ").");
}
memory_query = StatsUtil.getMemoryUsed(Runtime.getRuntime()) - memory_query;
time_query = System.currentTimeMillis() - time_query;
return new CoolResponse(this, rs, time_model, memory_model, time_query, memory_query);
} catch (PairingException e) {
throw new CoolQueryException("Oops something goes wrong...");
} catch (ModelException e) {
throw new CoolQueryException("Oops something goes wrong...");
} catch (IOException e) {
throw new CoolQueryException("Problem occured while getting properties files.");
}
}
public CoolQuery(String q, PairingDescription p) throws CoolQueryException {
queryString = q;
pairing = p;
if (!pairing.complete())
throw new CoolQueryException("Pairing have to be complete to construct a CoolQuery");
}