org.apache.htrace.impl

Class CountSampler

java.lang.Object

org.apache.htrace.impl.CountSampler

All Implemented Interfaces:

Sampler<Object>

public class CountSampler
extends Object
implements Sampler<Object>

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

Field Summary

Fields

Modifier and Type	Field and Description
static String	SAMPLER_FREQUENCY_CONF_KEY

Fields inherited from interface org.apache.htrace.Sampler

ALWAYS, NEVER

Constructor Summary

Constructors

Constructor and Description
CountSampler(HTraceConfiguration conf)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	next(Object info)

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(Object info)

Specified by:

next in interface Sampler<Object>