com.hazelcast.cache

Class CacheEvictionPolicyComparator<K,V>

java.lang.Object

com.hazelcast.internal.eviction.EvictionPolicyComparator<K,V,CacheEntryView<K,V>>

com.hazelcast.cache.CacheEvictionPolicyComparator<K,V>

Type Parameters:

K - type of the key

V - type of the value

All Implemented Interfaces:

Serializable, Comparator<CacheEntryView<K,V>>

public abstract class CacheEvictionPolicyComparator<K,V>
extends EvictionPolicyComparator<K,V,CacheEntryView<K,V>>

Cache specific EvictionPolicyComparator for comparing CacheEntryViews to be evicted.

See Also:

EvictionPolicyComparator, CacheEntryView, Serialized Form

Field Summary

Fields inherited from class com.hazelcast.internal.eviction.EvictionPolicyComparator

BOTH_OF_ENTRIES_HAVE_SAME_PRIORITY_TO_BE_EVICTED, FIRST_ENTRY_HAS_HIGHER_PRIORITY_TO_BE_EVICTED, SECOND_ENTRY_HAS_HIGHER_PRIORITY_TO_BE_EVICTED

Constructor Summary

Constructors

Constructor and Description
CacheEvictionPolicyComparator()

Method Summary

Modifier and Type	Method and Description
abstract int	compare(CacheEntryView<K,V> e1, CacheEntryView<K,V> e2) Compares the given EvictableEntryView instances and returns the result.

Methods inherited from class com.hazelcast.internal.eviction.EvictionPolicyComparator

equals, hashCode

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

comparing, comparing, comparingDouble, comparingInt, comparingLong, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Detail

CacheEvictionPolicyComparator

public CacheEvictionPolicyComparator()

Method Detail

compare

public abstract int compare(CacheEntryView<K,V> e1,
                            CacheEntryView<K,V> e2)

Compares the given EvictableEntryView instances and returns the result. The result should be one of the

• #FIRST_ENTRY_HAS_HIGHER_PRIORITY_TO_BE_EVICTED
• #SECOND_ENTRY_HAS_HIGHER_PRIORITY_TO_BE_EVICTED
• #BOTH_OF_ENTRIES_HAVE_SAME_PRIORITY_TO_BE_EVICTED

Specified by:

compare in interface Comparator<CacheEntryView<K,V>>

Specified by:

compare in class EvictionPolicyComparator<K,V,CacheEntryView<K,V>>

Parameters:

e1 - the first EvictableEntryView instance to be compared

e2 - the second EvictableEntryView instance to be compared

Returns:

the result of comparison