org.apache.htrace.core

Class CountSampler

java.lang.Object

org.apache.htrace.core.Sampler

org.apache.htrace.core.CountSampler

public class CountSampler
extends Sampler

Sampler that returns true every N calls. Specify the frequency interval by configuring a long value for SAMPLER_FREQUENCY_CONF_KEY.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.htrace.core.Sampler

Sampler.Builder

Field Summary

Fields

Modifier and Type	Field and Description
static String	SAMPLER_FREQUENCY_CONF_KEY

Fields inherited from class org.apache.htrace.core.Sampler

ALWAYS, NEVER

Constructor Summary

Constructors

Constructor and Description
CountSampler(HTraceConfiguration conf)

Method Summary

Modifier and Type	Method and Description
boolean	next()

Methods inherited from class java.lang.Object

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

Field Detail

SAMPLER_FREQUENCY_CONF_KEY

public static final String SAMPLER_FREQUENCY_CONF_KEY

See Also:

Constant Field Values

Constructor Detail

CountSampler

public CountSampler(HTraceConfiguration conf)

Method Detail

next

public boolean next()

Specified by:

next in class Sampler