Package com.yahoo.container.jdisc.state

Class MetricSnapshot

java.lang.Object

com.yahoo.container.jdisc.state.MetricSnapshot

All Implemented Interfaces:

Iterable<Map.Entry<MetricDimensions,MetricSet>>

public final class MetricSnapshot
extends Object
implements Iterable<Map.Entry<MetricDimensions,MetricSet>>

A snapshot of the metrics of this system in a particular time interval.

Author:

Simon Thoresen Hult

Constructor Summary

Constructors

Constructor	Description
MetricSnapshot(long from, long to, TimeUnit unit, Map<MetricDimensions,MetricSet> data)

Method Summary

Modifier and Type	Method	Description
MetricSnapshot	createSnapshot()	Create a new snapshot instance where Gauge metrics are preserved with the last-values they have in this snapshot instance.
long	getFromTime(TimeUnit unit)
long	getToTime(TimeUnit unit)
Iterator<Map.Entry<MetricDimensions,MetricSet>>	iterator()	Returns all the metrics in this snapshot.
MetricSet	metricSet(MetricDimensions dim)	Returns a metric set from this snapshot for a given set of dimensions

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

MetricSnapshot

public MetricSnapshot(long from,
                      long to,
                      TimeUnit unit,
                      Map<MetricDimensions,MetricSet> data)

Method Detail

getFromTime

public long getFromTime(TimeUnit unit)

getToTime

public long getToTime(TimeUnit unit)

iterator

public Iterator<Map.Entry<MetricDimensions,MetricSet>> iterator()

Returns all the metrics in this snapshot.

Specified by:

iterator in interface Iterable<Map.Entry<MetricDimensions,MetricSet>>

metricSet

public MetricSet metricSet(MetricDimensions dim)

Returns a metric set from this snapshot for a given set of dimensions

createSnapshot

public MetricSnapshot createSnapshot()

Create a new snapshot instance where Gauge metrics are preserved with the last-values they have in this snapshot instance.