io.opentelemetry.sdk.metrics.aggregator

Interface Aggregator

All Known Implementing Classes:

DoubleLastValueAggregator, DoubleMinMaxSumCount, DoubleSumAggregator, LongLastValueAggregator, LongMinMaxSumCount, LongSumAggregator, NoopAggregator

@ThreadSafe
public interface Aggregator

Aggregator represents the interface for all the available aggregations.

Method Summary

Modifier and Type	Method and Description
boolean	hasRecordings() Whether there have been any recordings since this aggregator has been reset.
void	mergeToAndReset(Aggregator aggregator) Merges the current value into the given aggregator and resets the current value in this Aggregator.
void	recordDouble(double value) Updates the current aggregator with a newly recorded double value.
void	recordLong(long value) Updates the current aggregator with a newly recorded long value.
MetricData.Point	toPoint(long startEpochNanos, long epochNanos, io.opentelemetry.common.Labels labels) Returns the Point with the given properties and the value from this Aggregation.

Method Detail

mergeToAndReset

void mergeToAndReset(Aggregator aggregator)

Merges the current value into the given aggregator and resets the current value in this Aggregator.

Parameters:

aggregator - value to merge into.

toPoint

@Nullable
MetricData.Point toPoint(long startEpochNanos,
                                   long epochNanos,
                                   io.opentelemetry.common.Labels labels)

Returns the Point with the given properties and the value from this Aggregation.

Parameters:

startEpochNanos - the startEpochNanos for the Point.

epochNanos - the epochNanos for the Point.

labels - the labels for the Point.

Returns:

the Point with the value from this Aggregation.

recordLong

void recordLong(long value)

Updates the current aggregator with a newly recorded long value.

Parameters:

value - the new long value to be added.

recordDouble

void recordDouble(double value)

Updates the current aggregator with a newly recorded double value.

Parameters:

value - the new double value to be added.

hasRecordings

boolean hasRecordings()

Whether there have been any recordings since this aggregator has been reset.