org.apache.hadoop.metrics2.lib

类 MetricMutableGauge<T extends Number>

java.lang.Object

org.apache.hadoop.metrics2.lib.MetricMutable

org.apache.hadoop.metrics2.lib.MetricMutableGauge<T>

类型参数:

T - the type of the metric

直接已知子类:

MetricMutableGaugeInt, MetricMutableGaugeLong

public abstract class MetricMutableGauge<T extends Number>
extends MetricMutable

The mutable gauge metric interface

字段概要

从类继承的字段 org.apache.hadoop.metrics2.lib.MetricMutable

description, name

构造器概要

构造器

构造器和说明
MetricMutableGauge(String name, String description) Construct the metric with name and description

方法概要

方法

限定符和类型	方法和说明
abstract void	decr() Decrement the value of the metric by 1
abstract void	incr() Increment the value of the metric by 1

从类继承的方法 org.apache.hadoop.metrics2.lib.MetricMutable

changed, clearChanged, setChanged, snapshot, snapshot

从类继承的方法 java.lang.Object

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

构造器详细资料

MetricMutableGauge

public MetricMutableGauge(String name,
                  String description)

Construct the metric with name and description

参数:

name - of the metric

description - of the metric

方法详细资料

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