Class IdentityMultiReducer<T>
- java.lang.Object
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- org.apache.storm.trident.operation.impl.IdentityMultiReducer<T>
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- All Implemented Interfaces:
Serializable,MultiReducer<T>
public class IdentityMultiReducer<T> extends Object implements MultiReducer<T>
- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description IdentityMultiReducer()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description voidcleanup()voidcomplete(T state, TridentCollector collector)voidexecute(T state, int streamIndex, TridentTuple input, TridentCollector collector)Tinit(TridentCollector collector)voidprepare(Map<String,Object> conf, TridentMultiReducerContext context)
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Method Detail
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prepare
public void prepare(Map<String,Object> conf, TridentMultiReducerContext context)
- Specified by:
preparein interfaceMultiReducer<T>
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init
public T init(TridentCollector collector)
- Specified by:
initin interfaceMultiReducer<T>
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execute
public void execute(T state, int streamIndex, TridentTuple input, TridentCollector collector)
- Specified by:
executein interfaceMultiReducer<T>
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complete
public void complete(T state, TridentCollector collector)
- Specified by:
completein interfaceMultiReducer<T>
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cleanup
public void cleanup()
- Specified by:
cleanupin interfaceMultiReducer<T>
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