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java.lang.Object storm.trident.operation.impl.ReducerAggStateUpdater
public class ReducerAggStateUpdater
Constructor Summary | |
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ReducerAggStateUpdater(ReducerAggregator agg)
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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(Snapshottable state,
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 ReducerAggStateUpdater(ReducerAggregator agg)
Method Detail |
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public void updateState(Snapshottable state, java.util.List<TridentTuple> tuples, TridentCollector collector)
updateState
in interface StateUpdater<Snapshottable>
public void prepare(java.util.Map conf, TridentOperationContext context)
prepare
in interface Operation
public void cleanup()
cleanup
in interface Operation
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