net.spy.memcached.metrics

Class NoopMetricCollector

java.lang.Object

net.spy.memcached.metrics.AbstractMetricCollector

net.spy.memcached.metrics.NoopMetricCollector

All Implemented Interfaces:

MetricCollector

public final class NoopMetricCollector
extends AbstractMetricCollector

A MetricCollector that does nothing. This MetricCollector instance is used if Metric collection is disabled during runtime. It just discards operations when executed.

Constructor Summary

Constructors

Constructor and Description
NoopMetricCollector()

Method Summary

Modifier and Type	Method and Description
void	addCounter(String name) Add a Counter to the collector.
void	addHistogram(String name) Add a Histogram to the Collector.
void	addMeter(String name) Add a Meter to the Collector.
void	decrementCounter(String name, int amount) Decrement a Counter by the given amount.
void	incrementCounter(String name, int amount) Increment a Counter by the given amount.
void	markMeter(String name) Mark a checkpoint in the Meter.
void	removeCounter(String name) Remove a Counter from the collector.
void	removeHistogram(String name) Remove a Histogram from the Collector.
void	removeMeter(String name) Remove a Meter from the Collector.
void	updateHistogram(String name, int amount) Update the Histogram with the given amount.

Methods inherited from class net.spy.memcached.metrics.AbstractMetricCollector

decrementCounter, incrementCounter

Methods inherited from class java.lang.Object

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

Constructor Detail

NoopMetricCollector

public NoopMetricCollector()

Method Detail

addCounter

public void addCounter(String name)

Description copied from interface: MetricCollector

Add a Counter to the collector.

Parameters:

name - the name of the counter.

removeCounter

public void removeCounter(String name)

Description copied from interface: MetricCollector

Remove a Counter from the collector.

Parameters:

name - the name of the counter.

incrementCounter

public void incrementCounter(String name,
                             int amount)

Description copied from interface: MetricCollector

Increment a Counter by the given amount.

Parameters:

name - the name of the counter.

amount - the amount to increase.

decrementCounter

public void decrementCounter(String name,
                             int amount)

Description copied from interface: MetricCollector

Decrement a Counter by the given amount.

Parameters:

name - the name of the counter.

amount - the amount to decrease.

addMeter

public void addMeter(String name)

Description copied from interface: MetricCollector

Add a Meter to the Collector.

Parameters:

name - the name of the counter.

removeMeter

public void removeMeter(String name)

Description copied from interface: MetricCollector

Remove a Meter from the Collector.

Parameters:

name - the name of the counter.

markMeter

public void markMeter(String name)

Description copied from interface: MetricCollector

Mark a checkpoint in the Meter.

Parameters:

name - the name of the counter.

addHistogram

public void addHistogram(String name)

Description copied from interface: MetricCollector

Add a Histogram to the Collector.

Parameters:

name - the name of the counter.

removeHistogram

public void removeHistogram(String name)

Description copied from interface: MetricCollector

Remove a Histogram from the Collector.

Parameters:

name - the name of the counter.

updateHistogram

public void updateHistogram(String name,
                            int amount)

Description copied from interface: MetricCollector

Update the Histogram with the given amount.

Parameters:

name - the name of the counter.

amount - the amount to update.