storm.trident.drpc
Class ReturnResultsReducer

java.lang.Object
  storm.trident.drpc.ReturnResultsReducer

All Implemented Interfaces:

java.io.Serializable, MultiReducer<ReturnResultsReducer.ReturnResultsState>

public class ReturnResultsReducer
extends java.lang.Object
implements MultiReducer<ReturnResultsReducer.ReturnResultsState>

See Also:

Serialized Form

Nested Class Summary

static class

ReturnResultsReducer.ReturnResultsState

Constructor Summary

ReturnResultsReducer()

Method Summary

void	cleanup()
void	complete(ReturnResultsReducer.ReturnResultsState state, TridentCollector collector)
void	execute(ReturnResultsReducer.ReturnResultsState state, int streamIndex, TridentTuple input, TridentCollector collector)
ReturnResultsReducer.ReturnResultsState	init(TridentCollector collector)
void	prepare(java.util.Map conf, TridentMultiReducerContext context)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ReturnResultsReducer

public ReturnResultsReducer()

Method Detail

prepare

public void prepare(java.util.Map conf,
                    TridentMultiReducerContext context)

Specified by:

prepare in interface MultiReducer<ReturnResultsReducer.ReturnResultsState>

init

public ReturnResultsReducer.ReturnResultsState init(TridentCollector collector)

Specified by:

init in interface MultiReducer<ReturnResultsReducer.ReturnResultsState>

execute

public void execute(ReturnResultsReducer.ReturnResultsState state,
                    int streamIndex,
                    TridentTuple input,
                    TridentCollector collector)

Specified by:

execute in interface MultiReducer<ReturnResultsReducer.ReturnResultsState>

complete

public void complete(ReturnResultsReducer.ReturnResultsState state,
                     TridentCollector collector)

Specified by:

complete in interface MultiReducer<ReturnResultsReducer.ReturnResultsState>

cleanup

public void cleanup()

Specified by:

cleanup in interface MultiReducer<ReturnResultsReducer.ReturnResultsState>