org.apache.hadoop.metrics.spi
Class OutputRecord

java.lang.Object
  org.apache.hadoop.metrics.spi.OutputRecord

@InterfaceAudience.Public
@InterfaceStability.Evolving
public class OutputRecord
extends Object

Represents a record of metric data to be sent to a metrics system.

Method Summary

Number	getMetric(String name) Returns the metric object which can be a Float, Integer, Short or Byte.
Set<String>	getMetricNames() Returns the set of metric names.
org.apache.hadoop.metrics.spi.AbstractMetricsContext.MetricMap	getMetricsCopy() Returns a copy of this record's metrics.
Object	getTag(String name) Returns a tag object which is can be a String, Integer, Short or Byte.
Set<String>	getTagNames() Returns the set of tag names
org.apache.hadoop.metrics.spi.AbstractMetricsContext.TagMap	getTagsCopy() Returns a copy of this record's tags.

Methods inherited from class java.lang.Object

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

Method Detail

getTagNames

public Set<String> getTagNames()

Returns the set of tag names

getTag

public Object getTag(String name)

Returns a tag object which is can be a String, Integer, Short or Byte.

Returns:

the tag value, or null if there is no such tag

getMetricNames

public Set<String> getMetricNames()

Returns the set of metric names.

getMetric

public Number getMetric(String name)

Returns the metric object which can be a Float, Integer, Short or Byte.

getTagsCopy

public org.apache.hadoop.metrics.spi.AbstractMetricsContext.TagMap getTagsCopy()

Returns a copy of this record's tags.

getMetricsCopy

public org.apache.hadoop.metrics.spi.AbstractMetricsContext.MetricMap getMetricsCopy()

Returns a copy of this record's metrics.