Package org.apache.hadoop.metrics2.lib

Class MutableCounter

java.lang.Object

org.apache.hadoop.metrics2.lib.MutableMetric

org.apache.hadoop.metrics2.lib.MutableCounter

Direct Known Subclasses:

MutableCounterInt, MutableCounterLong

@Public
@Evolving
public abstract class MutableCounter
extends MutableMetric

The mutable counter (monotonically increasing) metric interface

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	MutableCounter(MetricsInfo info)

Method Summary

Modifier and Type	Method	Description
abstract void	incr()	Increment the metric value 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

MutableCounter

protected MutableCounter(MetricsInfo info)

Method Detail

info

protected MetricsInfo info()

incr

public abstract void incr()

Increment the metric value by 1.