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java.lang.Object storm.trident.state.map.MapCombinerAggStateUpdater
public class MapCombinerAggStateUpdater
Constructor Summary | |
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MapCombinerAggStateUpdater(CombinerAggregator agg,
Fields groupFields,
Fields inputFields)
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Method Summary | |
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void |
cleanup()
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void |
prepare(java.util.Map conf,
TridentOperationContext context)
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void |
updateState(MapState map,
java.util.List<TridentTuple> tuples,
TridentCollector collector)
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Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public MapCombinerAggStateUpdater(CombinerAggregator agg, Fields groupFields, Fields inputFields)
Method Detail |
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public void updateState(MapState map, java.util.List<TridentTuple> tuples, TridentCollector collector)
updateState
in interface StateUpdater<MapState>
public void prepare(java.util.Map conf, TridentOperationContext context)
prepare
in interface Operation
public void cleanup()
cleanup
in interface Operation
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