Package org.apache.hadoop.hbase.util

Class SimpleMovingAverage<T>

java.lang.Object

org.apache.hadoop.hbase.util.MovingAverage<T>

org.apache.hadoop.hbase.util.SimpleMovingAverage<T>

@Private
public class SimpleMovingAverage<T>
extends MovingAverage<T>

SMA measure the overall average execution time of a specific method.

Field Summary

Fields

Modifier and Type	Field	Description
private double	averageTime
protected long	count

Fields inherited from class org.apache.hadoop.hbase.util.MovingAverage

label

Constructor Summary

Constructors

Constructor	Description
SimpleMovingAverage(String label)

Method Summary

Modifier and Type	Method	Description
double	getAverageTime()	Get average execution time of the measured method.
void	updateMostRecentTime(long elapsed)	Update the most recent data.

Methods inherited from class org.apache.hadoop.hbase.util.MovingAverage

measure, start, stop

Methods inherited from class java.lang.Object

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

Field Details

averageTime

private double averageTime

count

protected long count

Constructor Details

SimpleMovingAverage

public SimpleMovingAverage(String label)

Method Details

updateMostRecentTime

public void updateMostRecentTime(long elapsed)

Description copied from class: MovingAverage

Update the most recent data.

Specified by:

updateMostRecentTime in class MovingAverage<T>

Parameters:

elapsed - elapsed time of the most recent measurement

getAverageTime

public double getAverageTime()

Description copied from class: MovingAverage

Get average execution time of the measured method.

Specified by:

getAverageTime in class MovingAverage<T>

Returns:

average time in ns