org.perfcake.reporting.reporter.accumulator

Interface Accumulator<T>

All Known Implementing Classes:

AbstractSlidingWindowAccumulator, AbstractTimeSlidingWindowAccumulator, AvgAccumulator, HarmonicMeanAccumulator, LastValueAccumulator, MaxAccumulator, MaxLongValueAccumulator, MinAccumulator, SlidingWindowAvgAccumulator, SlidingWindowHarmonicMeanAccumulator, SlidingWindowMaxAccumulator, SlidingWindowMinAccumulator, SlidingWindowSumLongAccumulator, SumAccumulator, SumLongAccumulator, TimeSlidingWindowAvgAccumulator, TimeSlidingWindowHarmonicMeanAccumulator, TimeSlidingWindowMaxAccumulator, TimeSlidingWindowMinAccumulator, TimeSlidingWindowSumAccumulator, TimeSlidingWindowSumLongAccumulator, WeightedHarmonicMeanAccumulator, WeightedMeanAccumulator

public interface Accumulator<T>

Accumulator is a tool for reporters to accumulate multiple values from measurement units into a single mesurement. Accumulator must be thread safe as it might be called from multiple threads at the same time.

Author:

Martin Večeřa

Method Summary

Modifier and Type	Method and Description
void	add(T value) Adds a value to the accumulator.
T	getResult() Gets the accumulated result of currently added values.
void	reset() Resets the accumulator to the default state.

Method Detail

add

void add(T value)

Adds a value to the accumulator. This value is accumulated with the previously reported values.

Parameters:

value - The value to be accumulated.

getResult

T getResult()

Gets the accumulated result of currently added values.

Returns:

The result of the accumulation.

reset

void reset()

Resets the accumulator to the default state.