Package org.apache.storm.trident.drpc
Class ReturnResultsReducer
java.lang.Object
org.apache.storm.trident.drpc.ReturnResultsReducer
- All Implemented Interfaces:
Serializable,MultiReducer<ReturnResultsReducer.ReturnResultsState>
public class ReturnResultsReducer
extends Object
implements MultiReducer<ReturnResultsReducer.ReturnResultsState>
- See Also:
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Nested Class Summary
Nested Classes -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionvoidcleanup()voidcomplete(ReturnResultsReducer.ReturnResultsState state, TridentCollector collector) voidexecute(ReturnResultsReducer.ReturnResultsState state, int streamIndex, TridentTuple input, TridentCollector collector) init(TridentCollector collector) voidprepare(Map<String, Object> conf, TridentMultiReducerContext context)
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Constructor Details
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ReturnResultsReducer
public ReturnResultsReducer()
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Method Details
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prepare
- Specified by:
preparein interfaceMultiReducer<ReturnResultsReducer.ReturnResultsState>
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init
- Specified by:
initin interfaceMultiReducer<ReturnResultsReducer.ReturnResultsState>
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execute
public void execute(ReturnResultsReducer.ReturnResultsState state, int streamIndex, TridentTuple input, TridentCollector collector) - Specified by:
executein interfaceMultiReducer<ReturnResultsReducer.ReturnResultsState>
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complete
- Specified by:
completein interfaceMultiReducer<ReturnResultsReducer.ReturnResultsState>
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cleanup
public void cleanup()- Specified by:
cleanupin interfaceMultiReducer<ReturnResultsReducer.ReturnResultsState>
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