com.yammer.metrics.core

Class NoOpHistogram

java.lang.Object

com.yammer.metrics.core.Histogram

com.yammer.metrics.core.NoOpHistogram

All Implemented Interfaces:

com.yammer.metrics.core.Metric, com.yammer.metrics.core.Sampling, com.yammer.metrics.core.Summarizable

public class NoOpHistogram
extends com.yammer.metrics.core.Histogram

An empty Metrics' Histogram that does nothing.

Field Summary

Fields

Modifier and Type	Field and Description
static NoOpHistogram	INSTANCE singleton instance for everyone to use

Method Summary

Modifier and Type	Method and Description
void	clear()
long	count()
com.yammer.metrics.stats.Snapshot	getSnapshot()
double	max()
double	mean()
double	min()
<T> void	processWith(com.yammer.metrics.core.MetricProcessor<T> processor, com.yammer.metrics.core.MetricName name, T context)
double	stdDev()
double	sum()
void	update(int value)
void	update(long value)

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final NoOpHistogram INSTANCE

singleton instance for everyone to use

Method Detail

clear

public void clear()

Overrides:

clear in class com.yammer.metrics.core.Histogram

update

public void update(int value)

Overrides:

update in class com.yammer.metrics.core.Histogram

update

public void update(long value)

Overrides:

update in class com.yammer.metrics.core.Histogram

count

public long count()

Overrides:

count in class com.yammer.metrics.core.Histogram

max

public double max()

Specified by:

max in interface com.yammer.metrics.core.Summarizable

Overrides:

max in class com.yammer.metrics.core.Histogram

min

public double min()

Specified by:

min in interface com.yammer.metrics.core.Summarizable

Overrides:

min in class com.yammer.metrics.core.Histogram

mean

public double mean()

Specified by:

mean in interface com.yammer.metrics.core.Summarizable

Overrides:

mean in class com.yammer.metrics.core.Histogram

stdDev

public double stdDev()

Specified by:

stdDev in interface com.yammer.metrics.core.Summarizable

Overrides:

stdDev in class com.yammer.metrics.core.Histogram

sum

public double sum()

Specified by:

sum in interface com.yammer.metrics.core.Summarizable

Overrides:

sum in class com.yammer.metrics.core.Histogram

getSnapshot

public com.yammer.metrics.stats.Snapshot getSnapshot()

Specified by:

getSnapshot in interface com.yammer.metrics.core.Sampling

Overrides:

getSnapshot in class com.yammer.metrics.core.Histogram

processWith

public <T> void processWith(com.yammer.metrics.core.MetricProcessor<T> processor,
                            com.yammer.metrics.core.MetricName name,
                            T context)
                     throws Exception

Specified by:

processWith in interface com.yammer.metrics.core.Metric

Overrides:

processWith in class com.yammer.metrics.core.Histogram

Throws:

Exception