org.apache.nifi.controller.status.history

Interface StatusSnapshot

public interface StatusSnapshot

A StatusSnapshot represents a Component's status report at some point in time

Method Summary

Modifier and Type	Method and Description
Set<MetricDescriptor<?>>	getMetricDescriptors()
Long	getStatusMetric(MetricDescriptor<?> descriptor)
Date	getTimestamp()
ValueReducer<StatusSnapshot,StatusSnapshot>	getValueReducer()
StatusSnapshot	withoutCounters() Returns an instance of StatusSnapshot that has all the same information as this except for Counters.

Method Detail

getTimestamp

Date getTimestamp()

Returns:

the point in time for which the status values were obtained

getMetricDescriptors

Set<MetricDescriptor<?>> getMetricDescriptors()

getStatusMetric

Long getStatusMetric(MetricDescriptor<?> descriptor)

withoutCounters

StatusSnapshot withoutCounters()

Returns an instance of StatusSnapshot that has all the same information as this except for Counters. If this does not contain any counters, the object returned may (or may not) be this.

Returns:

a StatusSnapshot without counters

getValueReducer

ValueReducer<StatusSnapshot,StatusSnapshot> getValueReducer()

Returns:

a ValueReducer that is capable of merging multiple StatusSnapshot objects into a single one