org.apache.commons.collections4.map
Interface PassiveExpiringMap.ExpirationPolicy<K,V>

Type Parameters:

K - the key object type.

V - the value object type

All Superinterfaces:

Serializable

All Known Implementing Classes:

PassiveExpiringMap.ConstantTimeToLiveExpirationPolicy

Enclosing class:

PassiveExpiringMap<K,V>

public static interface PassiveExpiringMap.ExpirationPolicy<K,V>
extends Serializable

A policy to determine the expiration time for key-value entries.

Since:

4.0

Version:

$Id: PassiveExpiringMap.java 1481598 2013-05-12 16:28:28Z tn $

expirationTime

long expirationTime(K key,
                    V value)

Determine the expiration time for the given key-value entry.

Parameters:

key - the key for the entry.

value - the value for the entry.

Returns:

the expiration time value measured in milliseconds. A negative return value indicates the entry never expires.