Class TraceSampler.RateLimitedSampler

java.lang.Object

com.loomcache.server.tracing.TraceSampler.RateLimitedSampler

All Implemented Interfaces:

TraceSampler

Enclosing interface:

TraceSampler

public static class TraceSampler.RateLimitedSampler
extends Object
implements TraceSampler

Rate-limited sampler (N spans per second).

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
RateLimitedSampler(int samplesPerSecond)	Create a rate-limited sampler.

Method Summary

Modifier and Type	Method	Description
long	getSampleCount()	Get the number of samples taken.
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

RateLimitedSampler

public RateLimitedSampler(int samplesPerSecond)

Create a rate-limited sampler.

Parameters:

samplesPerSecond - maximum samples per second

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

getSampleCount

public long getSampleCount()

Get the number of samples taken.