Package org.apache.hadoop.metrics2.impl

Class MetricsRecordImpl

java.lang.Object

org.apache.hadoop.metrics2.impl.MetricsRecordImpl

All Implemented Interfaces:

MetricsRecord

@VisibleForTesting
public class MetricsRecordImpl
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
protected static final String	DEFAULT_CONTEXT

Constructor Summary

Constructors

Constructor	Description
MetricsRecordImpl(MetricsInfo info, long timestamp, List<MetricsTag> tags, Iterable<AbstractMetric> metrics)	Construct a metrics record

Method Summary

Modifier and Type	Method	Description
String	context()
String	description()
boolean	equals(Object obj)
int	hashCode()
Iterable<AbstractMetric>	metrics()	Get the metrics of the record
String	name()
List<MetricsTag>	tags()	Get the tags of the record Note: returning a collection instead of iterable as we need to use tags as keys (hence Collection#hashCode etc.) in maps
long	timestamp()	Get the timestamp of the metrics
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

DEFAULT_CONTEXT

protected static final String DEFAULT_CONTEXT

See Also:

• Constant Field Values

Constructor Details

MetricsRecordImpl

public MetricsRecordImpl(MetricsInfo info,
 long timestamp,
 List<MetricsTag> tags,
 Iterable<AbstractMetric> metrics)

Construct a metrics record

Parameters:

info - MetricsInfo of the record

timestamp - of the record

tags - of the record

metrics - of the record

Method Details

timestamp

public long timestamp()

Description copied from interface: MetricsRecord

Get the timestamp of the metrics

Returns:

the timestamp

name

public String name()

Returns:

the metrics record name

description

public String description()

Returns:

the description of the metrics record

context

public String context()

Returns:

the context name of the metrics record

tags

public List<MetricsTag> tags()

Description copied from interface: MetricsRecord

Get the tags of the record Note: returning a collection instead of iterable as we need to use tags as keys (hence Collection#hashCode etc.) in maps

Returns:

an unmodifiable collection of tags

metrics

public Iterable<AbstractMetric> metrics()

Description copied from interface: MetricsRecord

Get the metrics of the record

Returns:

an immutable iterable interface for metrics

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object