Interface GroupedMultiReducer<T>
- All Superinterfaces:
- Serializable
- All Known Implementing Classes:
- JoinerMultiReducer,- PreservingFieldsOrderJoinerMultiReducer
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Method SummaryModifier and TypeMethodDescriptionvoidcleanup()voidcomplete(T state, TridentTuple group, TridentCollector collector) voidexecute(T state, int streamIndex, TridentTuple group, TridentTuple input, TridentCollector collector) init(TridentCollector collector, TridentTuple group) voidprepare(Map<String, Object> conf, TridentMultiReducerContext context) 
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Method Details- 
prepare
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init
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executevoid execute(T state, int streamIndex, TridentTuple group, TridentTuple input, TridentCollector collector) 
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complete
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cleanupvoid cleanup()
 
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