@Override
public void execute(Tuple tuple) {
// write the finalCount to SqlDb on each TickTuple.
if (isTickTuple(tuple)) {
// only emit if finalCount > 0
if (finalCount > 0) {
logger.info(
"emitting final count"
+ ", finalCount: "
+ finalCount
+ ", totalCount: "
+ totalCount
+ ", tuplesToAck: "
+ tuplesToAck.size()
+ " at "
+ System.currentTimeMillis());
if (db != null) {
db.insertValue(System.currentTimeMillis(), finalCount);
} else {
if (enableAck) {
this.collector.emit(tuplesToAck, new Values(finalCount));
} else {
this.collector.emit(new Values(finalCount));
}
}
finalCount = 0L;
if (enableAck) {
for (Tuple tupleToAck : tuplesToAck) {
collector.ack(tupleToAck);
}
tuplesToAck.clear();
}
}
} else {
// Merge finalCount from all PartialCountBolt tasks
long incomingPartialCount = tuple.getLong(0);
finalCount += incomingPartialCount;
totalCount += incomingPartialCount;
if (enableAck) {
tuplesToAck.add(tuple);
}
}
}
