com.wavefront.sdk.entities.tracing.sampling

Class DurationSampler

java.lang.Object

com.wavefront.sdk.entities.tracing.sampling.DurationSampler

All Implemented Interfaces:

Sampler

public class DurationSampler
extends Object
implements Sampler

Sampler that allows spans above a given duration in milliseconds to be reported.

Author:

Vikram Raman

Constructor Summary

Constructors

Constructor and Description
DurationSampler(long duration) Constructor.

Method Summary

Modifier and Type	Method and Description
boolean	isEarly() Whether this sampler performs early or head based sampling.
boolean	sample(String operationName, long traceId, long duration) Gets whether a span should be allowed given it's operation and trace id.
void	setDuration(long duration) Sets the duration for this sampler.

Methods inherited from class java.lang.Object

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

Constructor Detail

DurationSampler

public DurationSampler(long duration)

Constructor.

Parameters:

duration - The duration in milliseconds. Spans with durations higher than this are reported.

Method Detail

sample

public boolean sample(String operationName,
                      long traceId,
                      long duration)

Description copied from interface: Sampler

Gets whether a span should be allowed given it's operation and trace id.

Specified by:

sample in interface Sampler

Parameters:

operationName - The operation name of the span

traceId - The traceId of the span

duration - The duration of the span in milliseconds

Returns:

true if the span should be allowed, false otherwise

isEarly

public boolean isEarly()

Description copied from interface: Sampler

Whether this sampler performs early or head based sampling. Offers a non-binding hint for clients using the sampler.

Specified by:

isEarly in interface Sampler

Returns:

true for early sampling, false otherwise

setDuration

public void setDuration(long duration)

Sets the duration for this sampler.

Parameters:

duration - The duration in milliseconds