@Override
public void step(IFrameTupleReference tuple) throws AlgebricksException {
try {
readKeyValue(tuple);
if (!isFinalStage) {
if (!partialAggAsInput) {
combiner.stepPartial(key, value);
} else {
combiner.stepPartial2(key, value);
}
} else {
combiner.stepFinal(key, value);
}
} catch (Exception e) {
throw new AlgebricksException(e);
}
}
private void finishInternal(IPointable result) throws AlgebricksException {
try {
if (!isFinalStage) {
if (!partialAggAsInput) {
combinedResult = combiner.finishPartial();
} else {
combinedResult = combiner.finishPartial2();
}
} else {
combinedResult = combiner.finishFinal();
}
// Writes combined result.
combinedResult.write(resultStorage.getDataOutput());
result.set(resultStorage);
} catch (Exception e) {
throw new AlgebricksException(e);
}
}
@Override
public void init() throws AlgebricksException {
combiner.init(msgList);
resultStorage.reset();
}