public class MapCombinerAggStateUpdater extends Object implements StateUpdater<MapState>
| Constructor and Description |
|---|
MapCombinerAggStateUpdater(CombinerAggregator agg,
Fields groupFields,
Fields inputFields) |
| Modifier and Type | Method and Description |
|---|---|
void |
cleanup() |
void |
prepare(Map conf,
TridentOperationContext context) |
void |
updateState(MapState map,
List<TridentTuple> tuples,
TridentCollector collector) |
public MapCombinerAggStateUpdater(CombinerAggregator agg, Fields groupFields, Fields inputFields)
public void updateState(MapState map, List<TridentTuple> tuples, TridentCollector collector)
updateState in interface StateUpdater<MapState>public void prepare(Map conf, TridentOperationContext context)
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