com.newrelic.agent.tracing.samplers

Class AdaptiveSampler

java.lang.Object

com.newrelic.agent.tracing.samplers.AdaptiveSampler

All Implemented Interfaces:

Sampler

public class AdaptiveSampler
extends java.lang.Object
implements Sampler

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AdaptiveSampler(int target, int reportPeriodSeconds)
protected	AdaptiveSampler(int target, int reportPeriodSeconds, boolean isSharedInstance)

Method Summary

Modifier and Type	Method and Description
float	calculatePriority(Transaction tx, Granularity granularity) Calculate priority given the current state of the sampler.
protected boolean	computeSampled()
java.lang.String	getDescription() Human-readable description of this sampler's name and important qualities.
int	getTarget()
SamplerType	getType() Get the type of this Sampler
boolean	isShared()
protected void	setTarget(int newTarget)

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.newrelic.agent.tracing.samplers.Sampler

isValidSamplingTarget, isValidTraceRatio, traceIdFromTransaction

Constructor Detail

AdaptiveSampler

protected AdaptiveSampler(int target,
                          int reportPeriodSeconds)

AdaptiveSampler

protected AdaptiveSampler(int target,
                          int reportPeriodSeconds,
                          boolean isSharedInstance)

Method Detail

calculatePriority

public float calculatePriority(Transaction tx,
                               Granularity granularity)

Calculate priority given the current state of the sampler.

Specified by:

calculatePriority in interface Sampler

Parameters:

tx - the transaction to calculate the priority for

Returns:

A float in [0.0f, 2.0f]

getType

public SamplerType getType()

Description copied from interface: Sampler

Get the type of this Sampler

Specified by:

getType in interface Sampler

Returns:

the current Sampler's SamplerType

getDescription

public java.lang.String getDescription()

Description copied from interface: Sampler

Human-readable description of this sampler's name and important qualities.

Specified by:

getDescription in interface Sampler

isShared

public boolean isShared()

computeSampled

protected boolean computeSampled()

setTarget

protected void setTarget(int newTarget)

getTarget

public int getTarget()