// Utility functions, just used here public static Long tuple_time_delta(RotatingMap<Tuple, Long> start_times, Tuple tuple) { Long start_time = (Long) start_times.remove(tuple); if (start_time != null) { return TimeUtils.time_delta_ms(start_time); } return null; }
@Override public void ack(Tuple input) { if (ackerNum > 0) { Long ack_val = Long.valueOf(0); Object pend_val = pending_acks.remove(input); if (pend_val != null) { ack_val = (Long) (pend_val); } for (Entry<Long, Long> e : input.getMessageId().getAnchorsToIds().entrySet()) { UnanchoredSend.send( topologyContext, sendTargets, taskTransfer, Acker.ACKER_ACK_STREAM_ID, JStormUtils.mk_list((Object) e.getKey(), JStormUtils.bit_xor(e.getValue(), ack_val))); } } Long delta = tuple_time_delta(tuple_start_times, input); if (delta != null) { task_stats.bolt_acked_tuple(input.getSourceComponent(), input.getSourceStreamId(), delta); } }
@Override public void onEvent(Object event, long sequence, boolean endOfBatch) throws Exception { if (event == null) { return; } boltExeTimer.start(); try { if (event instanceof RotatingMapTrigger.Tick) { // don't check the timetick name to improve performance Map<Tuple, Long> timeoutMap = tuple_start_times.rotate(); if (ackerNum > 0) { // only when acker is enable for (Entry<Tuple, Long> entry : timeoutMap.entrySet()) { Tuple input = entry.getKey(); task_stats.bolt_failed_tuple(input.getSourceComponent(), input.getSourceStreamId()); } } return; } Tuple tuple = (Tuple) event; task_stats.recv_tuple(tuple.getSourceComponent(), tuple.getSourceStreamId()); tuple_start_times.put(tuple, System.currentTimeMillis()); try { bolt.execute(tuple); } catch (Throwable e) { error = e; LOG.error("bolt execute error ", e); report_error.report(e); } if (ackerNum == 0) { // only when acker is disable // get tuple process latency Long start_time = (Long) tuple_start_times.remove(tuple); if (start_time != null) { Long delta = TimeUtils.time_delta_ms(start_time); task_stats.bolt_acked_tuple(tuple.getSourceComponent(), tuple.getSourceStreamId(), delta); } } } finally { boltExeTimer.stop(); } }
@Override public void fail(Tuple input) { // if ackerNum == 0, we can just return if (ackerNum > 0) { pending_acks.remove(input); for (Entry<Long, Long> e : input.getMessageId().getAnchorsToIds().entrySet()) { UnanchoredSend.send( topologyContext, sendTargets, taskTransfer, Acker.ACKER_FAIL_STREAM_ID, JStormUtils.mk_list((Object) e.getKey())); } } task_stats.bolt_failed_tuple(input.getSourceComponent(), input.getSourceStreamId()); }