Modifier and Type | Method and Description |
---|---|
void |
clear()
Clears all recorded durations.
|
long |
count()
Returns the number of events which have been marked.
|
TimeUnit |
durationUnit()
Returns the timer's duration scale unit.
|
String |
eventType()
Returns the type of events the meter is measuring.
|
double |
fifteenMinuteRate()
Returns the fifteen-minute exponentially-weighted moving average rate at which events have
occurred since the meter was created.
|
double |
fiveMinuteRate()
Returns the five-minute exponentially-weighted moving average rate at which events have
occurred since the meter was created.
|
Snapshot |
getSnapshot()
Returns a snapshot of the values.
|
double |
max()
Returns the longest recorded duration.
|
double |
mean()
Returns the arithmetic mean of all recorded durations.
|
double |
meanRate()
Returns the mean rate at which events have occurred since the meter was created.
|
double |
min()
Returns the shortest recorded duration.
|
double |
oneMinuteRate()
Returns the one-minute exponentially-weighted moving average rate at which events have
occurred since the meter was created.
|
<T> void |
processWith(MetricProcessor<T> processor,
MetricName name,
T context)
Allow the given
MetricProcessor to process this as a metric. |
TimeUnit |
rateUnit()
Returns the meter's rate unit.
|
double |
stdDev()
Returns the standard deviation of all recorded durations.
|
void |
stop()
Stop the instance.
|
double |
sum()
Returns the sum of all recorded durations.
|
TimerContext |
time()
Returns a timing
TimerContext , which measures an elapsed time in nanoseconds. |
<T> T |
time(Callable<T> event)
Times and records the duration of event.
|
void |
update(long duration,
TimeUnit unit)
Adds a recorded duration.
|
public TimeUnit durationUnit()
public TimeUnit rateUnit()
Metered
public void clear()
public void update(long duration, TimeUnit unit)
duration
- the length of the durationunit
- the scale unit of duration
public <T> T time(Callable<T> event) throws Exception
T
- the type of the value returned by event
event
- a Callable
whose Callable.call()
method implements a process
whose duration should be timedevent
Exception
- if event
throws an Exception
public TimerContext time()
TimerContext
, which measures an elapsed time in nanoseconds.TimerContext
public long count()
Metered
public double fifteenMinuteRate()
Metered
top
Unix command.fifteenMinuteRate
in interface Metered
public double fiveMinuteRate()
Metered
top
Unix command.fiveMinuteRate
in interface Metered
public double meanRate()
Metered
public double oneMinuteRate()
Metered
top
Unix command.oneMinuteRate
in interface Metered
public double max()
max
in interface Summarizable
public double min()
min
in interface Summarizable
public double mean()
mean
in interface Summarizable
public double stdDev()
stdDev
in interface Summarizable
public double sum()
sum
in interface Summarizable
public Snapshot getSnapshot()
Sampling
getSnapshot
in interface Sampling
public String eventType()
Metered
public void stop()
Stoppable
public <T> void processWith(MetricProcessor<T> processor, MetricName name, T context) throws Exception
Metric
MetricProcessor
to process this
as a metric.processWith
in interface Metric
T
- the type of the context objectprocessor
- a MetricProcessor
name
- the name of the current metriccontext
- a given context which should be passed on to processor
Exception
- if something goes wrongCopyright © 2014. All Rights Reserved.