org.apache.hadoop.metrics2.lib

类 AbstractMetricsSource

java.lang.Object

org.apache.hadoop.metrics2.lib.AbstractMetricsSource

所有已实现的接口:

MetricsSource

直接已知子类:

RpcInstrumentation.Detailed

public abstract class AbstractMetricsSource
extends Object
implements MetricsSource

A convenient base class for writing metrics sources

字段概要

字段

限定符和类型	字段和说明
protected MetricsRegistry	registry

构造器概要

构造器

构造器和说明
AbstractMetricsSource(String name) Construct the source with a name with a default factory
AbstractMetricsSource(String name, MetricMutableFactory mf) Construct the source with name and a mutable metrics factory

方法概要

方法

限定符和类型	方法和说明
void	getMetrics(MetricsBuilder builder, boolean all) Get metrics from the source
MetricsRegistry	registry()

从类继承的方法 java.lang.Object

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

字段详细资料

registry

protected final MetricsRegistry registry

构造器详细资料

AbstractMetricsSource

public AbstractMetricsSource(String name,
                     MetricMutableFactory mf)

Construct the source with name and a mutable metrics factory

参数:

name - of the default record

mf - the factory to create mutable metrics

AbstractMetricsSource

public AbstractMetricsSource(String name)

Construct the source with a name with a default factory

参数:

name - of the default record

方法详细资料

registry

public MetricsRegistry registry()

返回:

the registry for mutable metrics

getMetrics

public void getMetrics(MetricsBuilder builder,
              boolean all)

从接口复制的说明: MetricsSource

Get metrics from the source

指定者:

getMetrics 在接口中 MetricsSource

参数:

builder - to contain the resulting metrics snapshot

all - if true, return all metrics even if unchanged.