Class TraceBasedExemplarFilter

java.lang.Object

io.opentelemetry.sdk.metrics.internal.exemplar.TraceBasedExemplarFilter

All Implemented Interfaces:

ExemplarFilter

public final class TraceBasedExemplarFilter
extends Object
implements ExemplarFilter

Exemplar sampler that only samples measurements with associated sampled traces.

This class is internal and is hence not for public use. Its APIs are unstable and can change at any time.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) static final ExemplarFilter	INSTANCE

Constructor Summary

Constructors

Modifier	Constructor	Description
private	TraceBasedExemplarFilter()

Method Summary

Modifier and Type	Method	Description
private static boolean	hasSampledTrace(Context context)
boolean	shouldSampleMeasurement(double value, Attributes attributes, Context context)	Returns whether or not a reservoir should attempt to filter a measurement.
boolean	shouldSampleMeasurement(long value, Attributes attributes, Context context)	Returns whether or not a reservoir should attempt to filter a measurement.

Methods inherited from class Object

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

Field Details

INSTANCE

static final ExemplarFilter INSTANCE

Constructor Details

TraceBasedExemplarFilter

private TraceBasedExemplarFilter()

Method Details

shouldSampleMeasurement

public boolean shouldSampleMeasurement(long value,
 Attributes attributes,
 Context context)

Description copied from interface: ExemplarFilter

Returns whether or not a reservoir should attempt to filter a measurement.

Specified by:

shouldSampleMeasurement in interface ExemplarFilter

shouldSampleMeasurement

public boolean shouldSampleMeasurement(double value,
 Attributes attributes,
 Context context)

Description copied from interface: ExemplarFilter

Returns whether or not a reservoir should attempt to filter a measurement.

Specified by:

shouldSampleMeasurement in interface ExemplarFilter

hasSampledTrace

private static boolean hasSampledTrace(Context context)