org.terracotta.cache.evictor
Class EvictionStatistics

java.lang.Object
  org.terracotta.cache.evictor.EvictionStatistics

public class EvictionStatistics
extends Object

Keeps track of eviction-related statistics.

Constructor Summary

EvictionStatistics()

Method Summary

long	getEvicted() Returns the number of objects that have been evicted.
long	getEvictedMostRecentSample() Get the most recent sample of the evicted entries statistic.
long	getExamined() Returns the number of objects that have been examined for eviction.
long	getExaminedMostRecentSample() Get the most recent sample of the examined entries statistic.
void	increment(long examinedDelta, long evictedDelta) Increment the collected statistics data.
void	reset() Reset all counters to zero.
void	shutdown() Stop sampling the counters.

Methods inherited from class java.lang.Object

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

Constructor Detail

EvictionStatistics

public EvictionStatistics()

Method Detail

reset

public void reset()

Reset all counters to zero.

shutdown

public void shutdown()

Stop sampling the counters.

increment

public void increment(long examinedDelta,
                      long evictedDelta)

Increment the collected statistics data.

This method is called by the attached cache implementation, and should not be called directly by the user.

Parameters:

examinedDelta - newly examined elements

evictedDelta - newly evicted elements

getExamined

public long getExamined()

Returns the number of objects that have been examined for eviction.

getExaminedMostRecentSample

public long getExaminedMostRecentSample()

Get the most recent sample of the examined entries statistic.

The value returned is the number of objects examined for eviction in the last second of sampling.

getEvicted

public long getEvicted()

Returns the number of objects that have been evicted.

getEvictedMostRecentSample

public long getEvictedMostRecentSample()

Get the most recent sample of the evicted entries statistic.

The value returned is the number of objects evicted in the last second of sampling.