Package org.apache.hadoop.metrics2.lib

Class Interns

java.lang.Object

org.apache.hadoop.metrics2.lib.Interns

@Public
@Evolving
public class Interns
extends Object

Helpers to create interned metrics info.

Constructor Summary

Constructors

Constructor	Description
Interns()

Method Summary

Modifier and Type	Method	Description
static MetricsInfo	info(String name, String description)	Get a metric info object.
static MetricsTag	tag(String name, String description, String value)	Get a metrics tag.
static MetricsTag	tag(MetricsInfo info, String value)	Get a metrics tag.

Methods inherited from class java.lang.Object

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

Constructor Details

Interns

public Interns()

Method Details

info

public static MetricsInfo info(String name,
 String description)

Get a metric info object.

Parameters:

name - Name of metric info object

description - Description of metric info object

Returns:

an interned metric info object

tag

public static MetricsTag tag(MetricsInfo info,
 String value)

Get a metrics tag.

Parameters:

info - of the tag

value - of the tag

Returns:

an interned metrics tag

tag

public static MetricsTag tag(String name,
 String description,
 String value)

Get a metrics tag.

Parameters:

name - of the tag

description - of the tag

value - of the tag

Returns:

an interned metrics tag