org.apache.hadoop.metrics2.lib

类 MetricMutableGaugeLong

java.lang.Object

org.apache.hadoop.metrics2.lib.MetricMutable

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

org.apache.hadoop.metrics2.lib.MetricMutableGaugeLong

public class MetricMutableGaugeLong
extends MetricMutableGauge<Long>

A mutable long gauge

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
MetricMutableGaugeLong(String name, String description, long initValue) Construct a mutable long gauge metric

方法概要

方法

限定符和类型	方法和说明
void	decr() Decrement the value of the metric by 1
void	decr(long delta) decrement by delta
void	incr() Increment the value of the metric by 1
void	incr(long delta) Increment by delta
void	set(long value) Set the value of the metric
void	snapshot(MetricsRecordBuilder builder, boolean all) Get a snapshot/snapshot of the metric

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

changed, clearChanged, setChanged, 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

MetricMutableGaugeLong

public MetricMutableGaugeLong(String name,
                      String description,
                      long initValue)

Construct a mutable long gauge metric

参数:

name - of the gauge

description - of the gauge

initValue - the initial value of the gauge

方法详细资料

incr

public void incr()

从类复制的说明: MetricMutableGauge

Increment the value of the metric by 1

指定者:

incr 在类中 MetricMutableGauge<Long>

incr

public void incr(long delta)

Increment by delta

参数:

delta - of the increment

decr

public void decr()

从类复制的说明: MetricMutableGauge

Decrement the value of the metric by 1

指定者:

decr 在类中 MetricMutableGauge<Long>

decr

public void decr(long delta)

decrement by delta

参数:

delta - of the decrement

set

public void set(long value)

Set the value of the metric

参数:

value - to set

snapshot

public void snapshot(MetricsRecordBuilder builder,
            boolean all)

从类复制的说明: MetricMutable

Get a snapshot/snapshot of the metric

指定者:

snapshot 在类中 MetricMutable

参数:

builder - the metrics record builder

all - if true, snapshot unchanged metrics as well