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From davidyan74 <...@git.apache.org>
Subject [GitHub] incubator-apex-core pull request: APEXCORE-60 Iteration support in...
Date Mon, 04 Jan 2016 21:34:07 GMT
Github user davidyan74 commented on a diff in the pull request:

    https://github.com/apache/incubator-apex-core/pull/185#discussion_r48784203
  
    --- Diff: engine/src/main/java/com/datatorrent/stram/engine/GenericNode.java ---
    @@ -364,29 +413,49 @@ else if (!doCheckpoint) {
                       if (tracker.ports[trackerIndex] == null) {
                         tracker.ports[trackerIndex++] = activePort;
                         break;
    -                  }
    -                  else if (tracker.ports[trackerIndex] == activePort) {
    +                  } else if (tracker.ports[trackerIndex] == activePort) {
                         break;
                       }
     
                       trackerIndex++;
                     }
     
    -                if (trackerIndex == totalQueues) {
    -                  trackerIterator = resetTupleTracker.iterator();
    +                if (trackerIndex == regularQueues) {
    +                  Iterator<TupleTracker> trackerIterator = resetTupleTracker.iterator();
                       while (trackerIterator.hasNext()) {
                         if (trackerIterator.next().tuple.getBaseSeconds() <= baseSeconds)
{
                           trackerIterator.remove();
                         }
                       }
    -                  for (int s = sinks.length; s-- > 0; ) {
    -                    sinks[s].put(t);
    +                  if (!delay) {
    +                    for (int s = sinks.length; s-- > 0; ) {
    +                      sinks[s].put(t);
    +                    }
    +                    controlTupleCount++;
                       }
    -                  controlTupleCount++;
    -
    -                  assert (activeQueues.isEmpty());
    -                  activeQueues.addAll(inputs.values());
    +                  if (!activeQueues.isEmpty()) {
    +                    // make sure they are all queues from DelayOperator
    +                    for (Map.Entry<String, SweepableReservoir> entry : activeQueues)
{
    +                      if (!isInputPortConnectedToDelayOperator(entry.getKey())) {
    +                        assert (false);
    +                      }
    +                    }
    +                    activeQueues.clear();
    +                  }
    +                  activeQueues.addAll(inputs.entrySet());
                       expectingBeginWindow = activeQueues.size();
    +
    +                  if (firstWindowId == -1) {
    +                    if (delay) {
    +                      for (int s = sinks.length; s-- > 0; ) {
    +                        sinks[s].put(t);
    +                      }
    +                      // if it's a DelayOperator and this is the first RESET_WINDOW (start)
or END_STREAM
    --- End diff --
    
    We do need to send RESET_TUPLE downstream, because it's the reset tuple that sets the
upper 32 bit (baseSeconds) within the buffer server subscriber downstream.


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