A C D E F G H I M N O R S T U V W
All Classes All Packages

A

addListener(MetricRegistry.Listener) - Method in class org.xbib.metrics.common.MetricRegistry

Adds a MetricRegistry.Listener to a collection of listeners that will be notified on metric creation.

C

close() - Method in class org.xbib.metrics.common.Sampler.Context

Equivalent to calling Sampler.Context.stop().

counter(String) - Method in class org.xbib.metrics.common.MetricRegistry

counter(MetricName) - Method in class org.xbib.metrics.common.MetricRegistry

Return the CountMetric registered under this name; or create and register a new CountMetric if none is registered.

CountMetric - Class in org.xbib.metrics.common

An incrementing and decrementing counter metric.

CountMetric() - Constructor for class org.xbib.metrics.common.CountMetric

D

dec() - Method in class org.xbib.metrics.common.CountMetric

Decrement the counter by one.

dec() - Method in class org.xbib.metrics.common.Histogram

dec(long) - Method in class org.xbib.metrics.common.CountMetric

Decrement the counter by n.

dec(long) - Method in class org.xbib.metrics.common.Histogram

dec(String, String, String) - Method in class org.xbib.metrics.common.CountMetric

dec(String, String, String) - Method in class org.xbib.metrics.common.Histogram

dump(OutputStream) - Method in class org.xbib.metrics.common.WeightedSnapshot

Writes the values of the snapshot to the given stream.

E

elapsed() - Method in class org.xbib.metrics.common.Meter

ExponentiallyDecayingReservoir - Class in org.xbib.metrics.common

An exponentially-decaying random reservoir of longs.

ExponentiallyDecayingReservoir() - Constructor for class org.xbib.metrics.common.ExponentiallyDecayingReservoir

Creates a new ExponentiallyDecayingReservoir of 1028 elements, which offers a 99.9% confidence level with a 5% margin of error assuming a normal distribution, and an alpha factor of 0.015, which heavily biases the reservoir to the past 5 minutes of measurements.

ExponentiallyDecayingReservoir(int, double) - Constructor for class org.xbib.metrics.common.ExponentiallyDecayingReservoir

Creates a new ExponentiallyDecayingReservoir.

ExponentiallyDecayingReservoir(int, double, Clock) - Constructor for class org.xbib.metrics.common.ExponentiallyDecayingReservoir

Creates a new ExponentiallyDecayingReservoir.

ExpWeightedMovingAverage - Class in org.xbib.metrics.common

An exponentially-weighted moving average.

ExpWeightedMovingAverage(double, long, TimeUnit) - Constructor for class org.xbib.metrics.common.ExpWeightedMovingAverage

Create a new EWMA with a specific smoothing constant.

F

fifteenMinuteEWMA() - Static method in class org.xbib.metrics.common.ExpWeightedMovingAverage

Creates a new EWMA which is equivalent to the UNIX fifteen minute load average and which expects to be ticked every 5 seconds.

fiveMinuteEWMA() - Static method in class org.xbib.metrics.common.ExpWeightedMovingAverage

Creates a new EWMA which is equivalent to the UNIX five minute load average and which expects to be ticked every 5 seconds.

G

get75thPercentile() - Method in class org.xbib.metrics.common.WeightedSnapshot

Returns the value at the 75th percentile in the distribution.

get95thPercentile() - Method in class org.xbib.metrics.common.WeightedSnapshot

Returns the value at the 95th percentile in the distribution.

get98thPercentile() - Method in class org.xbib.metrics.common.WeightedSnapshot

Returns the value at the 98th percentile in the distribution.

get999thPercentile() - Method in class org.xbib.metrics.common.WeightedSnapshot

Returns the value at the 99.9th percentile in the distribution.

get99thPercentile() - Method in class org.xbib.metrics.common.WeightedSnapshot

Returns the value at the 99th percentile in the distribution.

getCount() - Method in class org.xbib.metrics.common.CountMetric

Returns the counter's current value.

getCount() - Method in class org.xbib.metrics.common.Histogram

Returns the number of values recorded.

getCount() - Method in class org.xbib.metrics.common.Meter

getCount() - Method in class org.xbib.metrics.common.Sampler

getCounters() - Method in class org.xbib.metrics.common.MetricRegistry

Returns a map of all the counters in the registry and their names.

getCounters(MetricFilter) - Method in class org.xbib.metrics.common.MetricRegistry

Returns a map of all the counters in the registry and their names which match the given filter.

getDecChecksum(String, String) - Method in class org.xbib.metrics.common.CountMetric

getDecChecksum(String, String) - Method in class org.xbib.metrics.common.Histogram

getFifteenMinuteRate() - Method in class org.xbib.metrics.common.Meter

getFifteenMinuteRate() - Method in class org.xbib.metrics.common.Sampler

getFiveMinuteRate() - Method in class org.xbib.metrics.common.Meter

getFiveMinuteRate() - Method in class org.xbib.metrics.common.Sampler

getGauges() - Method in class org.xbib.metrics.common.MetricRegistry

Returns a map of all the gauges in the registry and their names.

getGauges(MetricFilter) - Method in class org.xbib.metrics.common.MetricRegistry

Returns a map of all the gauges in the registry and their names which match the given filter.

getHistograms() - Method in class org.xbib.metrics.common.MetricRegistry

Returns a map of all the histograms in the registry and their names.

getHistograms(MetricFilter) - Method in class org.xbib.metrics.common.MetricRegistry

Returns a map of all the histograms in the registry and their names which match the given filter.

getIncChecksum(String, String) - Method in class org.xbib.metrics.common.CountMetric

getIncChecksum(String, String) - Method in class org.xbib.metrics.common.Histogram

getMax() - Method in class org.xbib.metrics.common.WeightedSnapshot

Returns the highest value in the snapshot.

getMean() - Method in class org.xbib.metrics.common.WeightedSnapshot

Returns the weighted arithmetic mean of the values in the snapshot.

getMeanRate() - Method in class org.xbib.metrics.common.Meter

getMeanRate() - Method in class org.xbib.metrics.common.Sampler

getMedian() - Method in class org.xbib.metrics.common.WeightedSnapshot

Returns the median value in the distribution.

getMeters() - Method in class org.xbib.metrics.common.MetricRegistry

Returns a map of all the meters in the registry and their names.

getMeters(MetricFilter) - Method in class org.xbib.metrics.common.MetricRegistry

Returns a map of all the meters in the registry and their names which match the given filter.

getMetrics() - Method in class org.xbib.metrics.common.MetricRegistry

getMin() - Method in class org.xbib.metrics.common.WeightedSnapshot

Returns the lowest value in the snapshot.

getNames() - Method in class org.xbib.metrics.common.MetricRegistry

Returns a set of the names of all the metrics in the registry.

getOneMinuteRate() - Method in class org.xbib.metrics.common.Meter

getOneMinuteRate() - Method in class org.xbib.metrics.common.Sampler

getRate(TimeUnit) - Method in class org.xbib.metrics.common.ExpWeightedMovingAverage

Returns the rate in the given units of time.

getSnapshot() - Method in class org.xbib.metrics.common.ExponentiallyDecayingReservoir

getSnapshot() - Method in class org.xbib.metrics.common.Histogram

getSnapshot() - Method in class org.xbib.metrics.common.Sampler

getStdDev() - Method in class org.xbib.metrics.common.WeightedSnapshot

Returns the weighted standard deviation of the values in the snapshot.

getTimers() - Method in class org.xbib.metrics.common.MetricRegistry

Returns a map of all the timers in the registry and their names.

getTimers(MetricFilter) - Method in class org.xbib.metrics.common.MetricRegistry

Returns a map of all the timers in the registry and their names which match the given filter.

getValue(double) - Method in class org.xbib.metrics.common.WeightedSnapshot

Returns the value at the given quantile.

getValues() - Method in class org.xbib.metrics.common.WeightedSnapshot

Returns the entire set of values in the snapshot.

H

histogram(String) - Method in class org.xbib.metrics.common.MetricRegistry

histogram(MetricName) - Method in class org.xbib.metrics.common.MetricRegistry

Return the Histogram registered under this name; or create and register a new Histogram if none is registered.

Histogram - Class in org.xbib.metrics.common

A metric which calculates the distribution of a value.

Histogram(Reservoir) - Constructor for class org.xbib.metrics.common.Histogram

Creates a new Histogram with the given reservoir.

I

inc() - Method in class org.xbib.metrics.common.CountMetric

Increment the counter by one.

inc() - Method in class org.xbib.metrics.common.Histogram

inc(long) - Method in class org.xbib.metrics.common.CountMetric

Increment the counter by n.

inc(long) - Method in class org.xbib.metrics.common.Histogram

Adds a recorded value.

inc(String, String, String) - Method in class org.xbib.metrics.common.CountMetric

inc(String, String, String) - Method in class org.xbib.metrics.common.Histogram

M

mark() - Method in class org.xbib.metrics.common.Meter

Mark the occurrence of an event.

mark(long) - Method in class org.xbib.metrics.common.Meter

Mark the occurrence of a given number of events.

meter(String) - Method in class org.xbib.metrics.common.MetricRegistry

meter(MetricName) - Method in class org.xbib.metrics.common.MetricRegistry

Return the Meter registered under this name; or create and register a new Meter if none is registered.

Meter - Class in org.xbib.metrics.common

A meter metric which measures mean throughput and one-, five-, and fifteen-minute exponentially-weighted moving average throughputs.

Meter(ScheduledExecutorService) - Constructor for class org.xbib.metrics.common.Meter

Creates a new Meter.

Meter(ScheduledExecutorService, Clock) - Constructor for class org.xbib.metrics.common.Meter

Creates a new Meter.

MetricRegistry - Class in org.xbib.metrics.common

A registry of metric instances.

MetricRegistry() - Constructor for class org.xbib.metrics.common.MetricRegistry

Creates a new MetricRegistry.

MetricRegistry(ConcurrentMap<MetricName, Metric>) - Constructor for class org.xbib.metrics.common.MetricRegistry

Creates a MetricRegistry with a custom ConcurrentMap implementation for use inside the registry.

MetricRegistry.Listener - Interface in org.xbib.metrics.common

Listeners for events from the registry.

N

name(Class<?>, String...) - Static method in class org.xbib.metrics.common.MetricRegistry

name(String, String...) - Static method in class org.xbib.metrics.common.MetricRegistry

Shorthand method for backwards compatibility in creating metric names.

O

onCounterAdded(MetricName, CountMetric) - Method in interface org.xbib.metrics.common.MetricRegistry.Listener

Called when a CountMetric is added to the registry.

onCounterRemoved(MetricName) - Method in interface org.xbib.metrics.common.MetricRegistry.Listener

Called when a CountMetric is removed from the registry.

oneMinuteEWMA() - Static method in class org.xbib.metrics.common.ExpWeightedMovingAverage

Creates a new EWMA which is equivalent to the UNIX one minute load average and which expects to be ticked every 5 seconds.

onGaugeAdded(MetricName, Gauge<?>) - Method in interface org.xbib.metrics.common.MetricRegistry.Listener

Called when a Gauge is added to the registry.

onGaugeRemoved(MetricName) - Method in interface org.xbib.metrics.common.MetricRegistry.Listener

Called when a Gauge is removed from the registry.

onHistogramAdded(MetricName, Histogram) - Method in interface org.xbib.metrics.common.MetricRegistry.Listener

Called when a Histogram is added to the registry.

onHistogramRemoved(MetricName) - Method in interface org.xbib.metrics.common.MetricRegistry.Listener

Called when a Histogram is removed from the registry.

onMeterAdded(MetricName, Meter) - Method in interface org.xbib.metrics.common.MetricRegistry.Listener

Called when a Meter is added to the registry.

onMeterRemoved(MetricName) - Method in interface org.xbib.metrics.common.MetricRegistry.Listener

Called when a Meter is removed from the registry.

onTimerAdded(MetricName, Sampler) - Method in interface org.xbib.metrics.common.MetricRegistry.Listener

Called when a Sampler is added to the registry.

onTimerRemoved(MetricName) - Method in interface org.xbib.metrics.common.MetricRegistry.Listener

Called when a Sampler is removed from the registry.

org.xbib.metrics.common - package org.xbib.metrics.common

Implementation classes for metrics.

R

register(String, T) - Method in class org.xbib.metrics.common.MetricRegistry

register(MetricName, T) - Method in class org.xbib.metrics.common.MetricRegistry

Given a Metric, registers it under the given name.

registerAll(MetricSet) - Method in class org.xbib.metrics.common.MetricRegistry

Given a metric set, registers them.

remove(MetricName) - Method in class org.xbib.metrics.common.MetricRegistry

Removes the metric with the given name.

removeListener(MetricRegistry.Listener) - Method in class org.xbib.metrics.common.MetricRegistry

Removes a MetricRegistry.Listener from this registry's collection of listeners.

removeMatching(MetricFilter) - Method in class org.xbib.metrics.common.MetricRegistry

Removes all metrics which match the given filter.

S

Sampler - Class in org.xbib.metrics.common

A sampler metric which aggregates timing durations and provides duration statistics, plus throughput statistics via Meter.

Sampler(ScheduledExecutorService) - Constructor for class org.xbib.metrics.common.Sampler

Creates a new Sampler using an ExponentiallyDecayingReservoir and the default Clock.

Sampler(Reservoir, ScheduledExecutorService) - Constructor for class org.xbib.metrics.common.Sampler

Creates a new Sampler that uses the given Reservoir.

Sampler(Reservoir, Clock, ScheduledExecutorService) - Constructor for class org.xbib.metrics.common.Sampler

Creates a new Sampler that uses the given Reservoir and Clock.

Sampler.Context - Class in org.xbib.metrics.common

A timing context.

shutdown() - Method in class org.xbib.metrics.common.Meter

size() - Method in class org.xbib.metrics.common.ExponentiallyDecayingReservoir

size() - Method in class org.xbib.metrics.common.WeightedSnapshot

Returns the number of values in the snapshot.

start(long) - Method in class org.xbib.metrics.common.Meter

stop() - Method in class org.xbib.metrics.common.Meter

stop() - Method in class org.xbib.metrics.common.Sampler.Context

Updates the sampler with the difference between current and start time.

T

tick() - Method in class org.xbib.metrics.common.ExpWeightedMovingAverage

Mark the passage of time and decay the current rate accordingly.

time() - Method in class org.xbib.metrics.common.Sampler

Returns a new Sampler.Context.

time(Runnable) - Method in class org.xbib.metrics.common.Sampler

Times and records the duration of an event.

time(Callable<T>) - Method in class org.xbib.metrics.common.Sampler

Records the duration of event.

timer(String) - Method in class org.xbib.metrics.common.MetricRegistry

timer(MetricName) - Method in class org.xbib.metrics.common.MetricRegistry

Return the Sampler registered under this name; or create and register a new Sampler if none is registered.

U

update(long) - Method in class org.xbib.metrics.common.ExponentiallyDecayingReservoir

update(long) - Method in class org.xbib.metrics.common.ExpWeightedMovingAverage

Update the moving average with a new value.

update(long, long) - Method in class org.xbib.metrics.common.ExponentiallyDecayingReservoir

Adds an old value with a fixed timestamp to the reservoir.

update(long, TimeUnit) - Method in class org.xbib.metrics.common.Sampler

Adds a recorded duration.

V

value - Variable in class org.xbib.metrics.common.WeightedSnapshot.WeightedSample

W

weight - Variable in class org.xbib.metrics.common.WeightedSnapshot.WeightedSample

WeightedSample(long, double) - Constructor for class org.xbib.metrics.common.WeightedSnapshot.WeightedSample

WeightedSnapshot - Class in org.xbib.metrics.common

A statistical snapshot of a WeightedSnapshot.

WeightedSnapshot(Collection<WeightedSnapshot.WeightedSample>) - Constructor for class org.xbib.metrics.common.WeightedSnapshot

Create a new Snapshot with the given values.

WeightedSnapshot.WeightedSample - Class in org.xbib.metrics.common

A single sample item with value and its weights for WeightedSnapshot.

A C D E F G H I M N O R S T U V W
All Classes All Packages