@Override
public void nextTuple() {
try {
if (numOfReports < maxReports) {
currTime = System.nanoTime();
LOG.info(
"startTime: "
+ startTime
+ " currTime: "
+ currTime
+ " interval: "
+ ((currTime - startTime) * 1e-6));
if (((currTime - startTime) * 1e-6) >= interval) {
if (query == null) query = QueryFactory.create(queryString);
Store store = StoreFactory.getJenaHBaseStore(configFile, iri, isReified);
int solnCount = 0;
ResultSet rs = store.executeSelectQuery(query);
List<Var> listVars = query.getProject().getVars();
while (rs.hasNext()) {
solnCount++;
QuerySolution qs = rs.next();
Object[] results = new String[listVars.size() + 1];
if (solnCount == 1) results[0] = "new";
else results[0] = "cont";
for (int i = 1; i <= listVars.size(); i++) {
Var var = listVars.get(i - 1);
RDFNode value = qs.get(var.toString());
if (value.isResource() || value.isAnon()) results[i] = value.asResource().toString();
else if (value.isLiteral()) results[i] = value.asLiteral().toString();
}
collector.emit(new Values(results));
}
numOfReports += 1;
startTime = currTime;
}
Thread.sleep(30000);
}
} catch (Exception e) {
throw new TopologyException("Exception in query spout:: ", e);
}
}
