com.hazelcast.cache.impl.eviction.impl.strategy.sampling
Class SamplingBasedEvictionStrategy<A,E extends Evictable,S extends SampleableEvictableStore<A,E>>

java.lang.Object
  com.hazelcast.cache.impl.eviction.impl.strategy.AbstractEvictionStrategy<A,E,S>
      com.hazelcast.cache.impl.eviction.impl.strategy.sampling.SamplingBasedEvictionStrategy<A,E,S>

All Implemented Interfaces:

EvictionStrategy<A,E,S>

public class SamplingBasedEvictionStrategy<A,E extends Evictable,S extends SampleableEvictableStore<A,E>>
extends AbstractEvictionStrategy<A,E,S>

Sampling based EvictionStrategy implementation. This strategy select sample Evictable entries from SampleableEvictableStore.

Constructor Summary

SamplingBasedEvictionStrategy()

Method Summary

protected int

evictInternal(S sampleableEvictableStore, EvictionPolicyEvaluator<A,E> evictionPolicyEvaluator) Processes sampling based eviction logic on SampleableEvictableStore.

Methods inherited from class com.hazelcast.cache.impl.eviction.impl.strategy.AbstractEvictionStrategy

evict

Methods inherited from class java.lang.Object

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

Constructor Detail

SamplingBasedEvictionStrategy

public SamplingBasedEvictionStrategy()

Method Detail

evictInternal

protected int evictInternal(S sampleableEvictableStore,
                            EvictionPolicyEvaluator<A,E> evictionPolicyEvaluator)

Processes sampling based eviction logic on SampleableEvictableStore.

Specified by:

evictInternal in class AbstractEvictionStrategy<A,E extends Evictable,S extends SampleableEvictableStore<A,E>>

Parameters:

sampleableEvictableStore - SampleableEvictableStore that holds Evictable entries

evictionPolicyEvaluator - EvictionPolicyEvaluator to evaluate

Returns:

evicted entry count