com.hazelcast.internal.eviction.impl.strategy.sampling

Class SamplingBasedEvictionStrategy<A,E extends Evictable,S extends SampleableEvictableStore<A,E>>

java.lang.Object

com.hazelcast.internal.eviction.impl.strategy.AbstractEvictionStrategy<A,E,S>

com.hazelcast.internal.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

Constructors

Constructor and Description
SamplingBasedEvictionStrategy()

Method Summary

Modifier and Type	Method and Description
protected int	evictInternal(S sampleableEvictableStore, EvictionPolicyEvaluator<A,E> evictionPolicyEvaluator, EvictionListener<A,E> evictionListener) Processes sampling based eviction logic on SampleableEvictableStore.

Methods inherited from class com.hazelcast.internal.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,
                            EvictionListener<A,E> evictionListener)

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

evictionListener - EvictionListener to listen evicted entries

Returns:

evicted entry count