Class TraceSampler.ProbabilisticSampler

java.lang.Object

com.loomcache.server.tracing.TraceSampler.ProbabilisticSampler

All Implemented Interfaces:

TraceSampler

Enclosing interface:

TraceSampler

public static class TraceSampler.ProbabilisticSampler
extends Object
implements TraceSampler

Sample based on a probability rate (0.0 to 1.0).

Since:

1.0

Nested Class Summary

Nested classes/interfaces inherited from interface TraceSampler

TraceSampler.AlwaysSampler, TraceSampler.NeverSampler, TraceSampler.ProbabilisticSampler, TraceSampler.RateLimitedSampler

Constructor Summary

Constructors

Constructor	Description
ProbabilisticSampler(double rate)	Create a probabilistic sampler.

Method Summary

Modifier and Type	Method	Description
boolean	shouldSample(String traceId, String spanName)	Determine if a span should be sampled.

Methods inherited from class Object

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

Constructor Details

ProbabilisticSampler

public ProbabilisticSampler(double rate)

Create a probabilistic sampler.

Parameters:

rate - sampling rate (0.0 to 1.0)

Method Details

shouldSample

public boolean shouldSample(String traceId,
 String spanName)

Description copied from interface: TraceSampler

Determine if a span should be sampled.

Specified by:

shouldSample in interface TraceSampler

Parameters:

traceId - the trace ID

spanName - the span name

Returns:

true if the span should be sampled