Package org.apache.hadoop.metrics2.util

Class MetricsCache.Record

java.lang.Object

org.apache.hadoop.metrics2.util.MetricsCache.Record

Enclosing class:

MetricsCache

public static class MetricsCache.Record
extends Object

Cached record

Constructor Summary

Constructors

Constructor	Description
Record()

Method Summary

Modifier and Type	Method	Description
Number	getMetric(String key)	Lookup a metric value
AbstractMetric	getMetricInstance(String key)	Lookup a metric instance
String	getTag(String key)	Lookup a tag value
Set<Map.Entry<String,Number>>	metrics()	Deprecated. use metricsEntrySet() instead
Set<Map.Entry<String,AbstractMetric>>	metricsEntrySet()
Set<Map.Entry<String,String>>	tags()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

Record

public Record()

Method Details

getTag

public String getTag(String key)

Lookup a tag value

Parameters:

key - name of the tag

Returns:

the tag value

getMetric

public Number getMetric(String key)

Lookup a metric value

Parameters:

key - name of the metric

Returns:

the metric value

getMetricInstance

public AbstractMetric getMetricInstance(String key)

Lookup a metric instance

Parameters:

key - name of the metric

Returns:

the metric instance

tags

public Set<Map.Entry<String,String>> tags()

Returns:

the entry set of the tags of the record

metrics

@Deprecated
public Set<Map.Entry<String,Number>> metrics()

Deprecated.

use metricsEntrySet() instead

Returns:

entry set of metrics

metricsEntrySet

public Set<Map.Entry<String,AbstractMetric>> metricsEntrySet()

Returns:

entry set of metrics

toString

public String toString()

Overrides:

toString in class Object