org.apache.flink.metrics

Interface Histogram

All Superinterfaces:

Metric

All Known Implementing Classes:

DescriptiveStatisticsHistogram, DropwizardHistogramWrapper

@Public
public interface Histogram
extends Metric

Histogram interface to be used with Flink's metrics system.

The histogram allows to record values, get the current count of recorded values and create histogram statistics for the currently seen elements.

Method Summary

Modifier and Type	Method and Description
long	getCount() Get the count of seen elements.
default MetricType	getMetricType()
HistogramStatistics	getStatistics() Create statistics for the currently recorded elements.
void	update(long value) Update the histogram with the given value.

Method Detail

update

void update(long value)

Update the histogram with the given value.

Parameters:

value - Value to update the histogram with

getCount

long getCount()

Get the count of seen elements.

Returns:

Count of seen elements

getStatistics

HistogramStatistics getStatistics()

Create statistics for the currently recorded elements.

Returns:

Statistics about the currently recorded elements

getMetricType

default MetricType getMetricType()

Specified by:

getMetricType in interface Metric