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

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

The mutable counter (monotonically increasing) metric interface

Constructor Summary

protected

MutableCounter(MetricsInfo info)

Method Summary

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.