org.apache.storm.metric.api

Interface IReducer<T>

All Known Implementing Classes:

MeanReducer

public interface IReducer<T>

Method Summary

Modifier and Type	Method and Description
Object	extractResult(T accumulator)
T	init()
T	reduce(T accumulator, Object input)

Method Detail

init

T init()

reduce

T reduce(T accumulator,
         Object input)

extractResult

Object extractResult(T accumulator)