com.yammer.metrics.core

Class NoOpTimer

java.lang.Object

com.yammer.metrics.core.Timer

com.yammer.metrics.core.NoOpTimer

All Implemented Interfaces:

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

public class NoOpTimer
extends com.yammer.metrics.core.Timer

An empty Metrics' Timer implementation that does nothing.

Field Summary

Fields

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

Method Summary

Modifier and Type	Method and Description
void	clear()
long	count()
String	eventType()
double	fifteenMinuteRate()
double	fiveMinuteRate()
com.yammer.metrics.stats.Snapshot	getSnapshot()
double	max()
double	mean()
double	meanRate()
double	min()
double	oneMinuteRate()
<T> void	processWith(com.yammer.metrics.core.MetricProcessor<T> processor, com.yammer.metrics.core.MetricName name, T context)
double	stdDev()
void	stop()
double	sum()
<T> T	time(Callable<T> event)
void	update(long duration, TimeUnit unit)

Methods inherited from class com.yammer.metrics.core.Timer

durationUnit, rateUnit, time

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final NoOpTimer INSTANCE

singleton instance for everyone to use

Method Detail

clear

public void clear()

Overrides:

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

update

public void update(long duration,
                   TimeUnit unit)

Overrides:

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

time

public <T> T time(Callable<T> event)
           throws Exception

Overrides:

time in class com.yammer.metrics.core.Timer

Throws:

Exception

count

public long count()

Specified by:

count in interface com.yammer.metrics.core.Metered

Overrides:

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

fifteenMinuteRate

public double fifteenMinuteRate()

Specified by:

fifteenMinuteRate in interface com.yammer.metrics.core.Metered

Overrides:

fifteenMinuteRate in class com.yammer.metrics.core.Timer

fiveMinuteRate

public double fiveMinuteRate()

Specified by:

fiveMinuteRate in interface com.yammer.metrics.core.Metered

Overrides:

fiveMinuteRate in class com.yammer.metrics.core.Timer

meanRate

public double meanRate()

Specified by:

meanRate in interface com.yammer.metrics.core.Metered

Overrides:

meanRate in class com.yammer.metrics.core.Timer

oneMinuteRate

public double oneMinuteRate()

Specified by:

oneMinuteRate in interface com.yammer.metrics.core.Metered

Overrides:

oneMinuteRate in class com.yammer.metrics.core.Timer

max

public double max()

Specified by:

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

Overrides:

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

min

public double min()

Specified by:

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

Overrides:

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

mean

public double mean()

Specified by:

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

Overrides:

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

stdDev

public double stdDev()

Specified by:

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

Overrides:

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

sum

public double sum()

Specified by:

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

Overrides:

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

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.Timer

eventType

public String eventType()

Specified by:

eventType in interface com.yammer.metrics.core.Metered

Overrides:

eventType in class com.yammer.metrics.core.Timer

stop

public void stop()

Specified by:

stop in interface com.yammer.metrics.core.Stoppable

Overrides:

stop in class com.yammer.metrics.core.Timer

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.Timer

Throws:

Exception