org.rhq.metrics.core

Interface NumericMetric

All Known Implementing Classes:

RawNumericMetric

public interface NumericMetric

A set of pre-computed aggregates over a time interval (called bucket here) or a raw numeric data for a time instant.

Author:

John Sanda

Method Summary

Methods

Modifier and Type	Method and Description
Double	getAvg()
String	getBucket() Returns the identifier that defines a time interval such as 1 minute, 5 minutes, 1 hour, 1 day, etc.
String	getId()
Double	getMax()
Double	getMin()
long	getTimestamp() For aggregate Metrics, returns the beginning of the bucket, whereas for raw metrics, returns time when the data point was collected

Method Detail

getBucket

String getBucket()

Returns the identifier that defines a time interval such as 1 minute, 5 minutes, 1 hour, 1 day, etc. over which the aggregates available in this NumericMetric were computed. Another possible names for bucket are roll-up or time window.

"raw" is a special value meaning that this NumericMetric stores a raw instant data rather than data aggregated over a time window.

Returns:

the identifier of the bucket.

getId

String getId()

getMin

Double getMin()

getMax

Double getMax()

getAvg

Double getAvg()

getTimestamp

long getTimestamp()

For aggregate Metrics, returns the beginning of the bucket, whereas for raw metrics, returns time when the data point was collected

Returns:

the timestamp