com.hazelcast.internal.eviction

Interface EvictionPolicyEvaluator<A,E extends Evictable>

Type Parameters:

A - Type of the accessor (id) of the EvictionCandidate

E - Type of the Evictable value of EvictionCandidate

All Known Implementing Classes:

DefaultEvictionPolicyEvaluator

public interface EvictionPolicyEvaluator<A,E extends Evictable>

Interface for evaluation implementations of EvictionPolicy.

Method Summary

Modifier and Type	Method and Description
<C extends EvictionCandidate<A,E>> Iterable<C>	evaluate(Iterable<C> evictionCandidates) The evaluate method implements the actual policy rules and is called on every eviction to select one or more candidates to be evicted from the given input set of candidates.
EvictionPolicyComparator	getEvictionPolicyComparator() Gets the underlying EvictionPolicyComparator.

Method Detail

getEvictionPolicyComparator

EvictionPolicyComparator getEvictionPolicyComparator()

Gets the underlying EvictionPolicyComparator.

Returns:

the underlying EvictionPolicyComparator

evaluate

<C extends EvictionCandidate<A,E>> Iterable<C> evaluate(Iterable<C> evictionCandidates)

The evaluate method implements the actual policy rules and is called on every eviction to select one or more candidates to be evicted from the given input set of candidates. The selection algorithm should execute in a constant time to deliver a predictable timing results of the eviction system.

Parameters:

evictionCandidates - Multiple EvictionCandidate to be evicted

Returns:

multiple EvictionCandidates that are available to be evicted