com.google.api.gax.core

Class Distribution

java.lang.Object

com.google.api.gax.core.Distribution

@BetaApi
public class Distribution
extends Object

Takes measurements and stores them in linear buckets from 0 to totalBuckets - 1, along with utilities to calculate percentiles for analysis of results.

Constructor Summary

Constructors

Constructor and Description
Distribution(int totalBuckets)

Method Summary

Modifier and Type	Method and Description
Distribution	copy() Make a copy of the distribution.
long[]	getBucketCounts() Gets the accumulated count of every bucket of the distribution.
long	getCount() Numbers of values recorded.
double	getMean() Mean of the recorded values.
long	getNthPercentile(double percentile) Get the bucket that records values up to the given percentile.
double	getSumOfSquareDeviations() Square deviations of the recorded values.
void	record(int bucket) Record a new value.
void	reset() Resets (sets to 0) the recorded values.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Distribution

public Distribution(int totalBuckets)

Method Detail

getNthPercentile

public long getNthPercentile(double percentile)

Get the bucket that records values up to the given percentile.

reset

public void reset()

Resets (sets to 0) the recorded values.

getCount

public long getCount()

Numbers of values recorded.

getSumOfSquareDeviations

public double getSumOfSquareDeviations()

Square deviations of the recorded values.

getMean

public double getMean()

Mean of the recorded values.

getBucketCounts

public long[] getBucketCounts()

Gets the accumulated count of every bucket of the distribution.

copy

public Distribution copy()

Make a copy of the distribution.

record

public void record(int bucket)

Record a new value.

toString

public String toString()

Overrides:

toString in class Object