com.alibaba.metrics

类 HistogramImpl

java.lang.Object

com.alibaba.metrics.HistogramImpl

所有已实现的接口:

Counting, Histogram, Metric, Sampling

public class HistogramImpl
extends Object
implements Histogram

A metric which calculates the distribution of a value.

另请参阅:

Accurately computing running variance

构造器概要

构造器

构造器和说明
HistogramImpl(int interval)
HistogramImpl(int interval, ReservoirType type)
HistogramImpl(Reservoir reservoir, int interval, int numberOfBucket, Clock clock)
HistogramImpl(ReservoirType type) Creates a new Histogram with the given reservoir.
HistogramImpl(ReservoirType type, int interval, int numberOfBucket, Clock clock) Creates a new Histogram with the given reservoir.

方法概要

限定符和类型	方法和说明
long	getCount() Returns the number of values recorded.
Snapshot	getSnapshot()
long	lastUpdateTime()
void	update(int value) Adds a recorded value.
void	update(long value) Adds a recorded value.

从类继承的方法 java.lang.Object

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

构造器详细资料

HistogramImpl

public HistogramImpl(ReservoirType type)

Creates a new Histogram with the given reservoir.

参数:

type - the reservoir type to create a histogram from

HistogramImpl

public HistogramImpl(int interval,
                     ReservoirType type)

HistogramImpl

public HistogramImpl(int interval)

HistogramImpl

public HistogramImpl(ReservoirType type,
                     int interval,
                     int numberOfBucket,
                     Clock clock)

Creates a new Histogram with the given reservoir.

参数:

type - the reservoir type to create a histogram from

interval - the interval to create bucket counter

numberOfBucket - the number of bucket to create bucket counter

clock - the clock the create bucket counter

HistogramImpl

public HistogramImpl(Reservoir reservoir,
                     int interval,
                     int numberOfBucket,
                     Clock clock)

方法详细资料

update

public void update(int value)

Adds a recorded value.

指定者:

update 在接口中 Histogram

参数:

value - the length of the value

update

public void update(long value)

Adds a recorded value.

指定者:

update 在接口中 Histogram

参数:

value - the length of the value

getCount

public long getCount()

Returns the number of values recorded.

指定者:

getCount 在接口中 Counting

返回:

the number of values recorded

getSnapshot

public Snapshot getSnapshot()

指定者:

getSnapshot 在接口中 Sampling

lastUpdateTime

public long lastUpdateTime()

指定者:

lastUpdateTime 在接口中 Metric