org.apache.zookeeper.server.metric

Class SimpleCounter

java.lang.Object

org.apache.zookeeper.server.metric.Metric

org.apache.zookeeper.server.metric.SimpleCounter

All Implemented Interfaces:

Counter

public class SimpleCounter
extends Metric
implements Counter

Constructor Summary

Constructors

Constructor and Description
SimpleCounter(String name)

Method Summary

Modifier and Type	Method and Description
void	add(long value) Increment the value by a given amount.
long	get() Get the current value held by the counter.
void	reset()
Map<String,Object>	values()

Methods inherited from class org.apache.zookeeper.server.metric.Metric

add, add

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.zookeeper.metrics.Counter

inc

Constructor Detail

SimpleCounter

public SimpleCounter(String name)

Method Detail

add

public void add(long value)

Description copied from interface: Counter

Increment the value by a given amount.

This method is thread safe, The MetricsProvider will take care of synchronization.

Specified by:

add in interface Counter

Overrides:

add in class Metric

Parameters:

value - amount to increment, this cannot be a negative number.

reset

public void reset()

Overrides:

reset in class Metric

get

public long get()

Description copied from interface: Counter

Get the current value held by the counter.

This method is thread safe, The MetricsProvider will take care of synchronization.

Specified by:

get in interface Counter

Returns:

the current value

values

public Map<String,Object> values()

Specified by:

values in class Metric