org.apache.hadoop.metrics2.lib

Class MutableGauge

java.lang.Object

org.apache.hadoop.metrics2.lib.MutableMetric

org.apache.hadoop.metrics2.lib.MutableGauge

Direct Known Subclasses:

MutableGaugeInt, MutableGaugeLong

@InterfaceAudience.Public
@InterfaceStability.Evolving
public abstract class MutableGauge
extends MutableMetric

The mutable gauge metric interface

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	MutableGauge(MetricsInfo info)

Method Summary

Methods

Modifier and Type	Method and Description
abstract void	decr() Decrement the value of the metric by 1
abstract void	incr() Increment the value of the metric by 1
protected MetricsInfo	info()

Methods inherited from class org.apache.hadoop.metrics2.lib.MutableMetric

changed, clearChanged, setChanged, snapshot, snapshot

Methods inherited from class java.lang.Object

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

Constructor Detail

MutableGauge

protected MutableGauge(MetricsInfo info)

Method Detail

info

protected MetricsInfo info()

incr

public abstract void incr()

Increment the value of the metric by 1

decr

public abstract void decr()

Decrement the value of the metric by 1