/*
* Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hazelcast.map.listener;
import com.hazelcast.core.EntryEvent;
/**
* Invoked upon eviction of an entry.
*
* Implementations of this interface receive events after removal of the entry. Removals can be caused by
* one of size-based-eviction, time-to-live based expiration or max-idle-seconds based expiration.
*
* Note that if your listener implements both {@link EntryExpiredListener} and {@link EntryEvictedListener} together,
* there is a probability that the listener may receive both expiration and eviction events for the same entry. This is because,
* size-based-eviction removes entries regardless of whether entries expired or not.
*
* @param <K> the type of key.
* @param <V> the type of value.
*
* @see EntryExpiredListener
*
* @since 3.5
*/
public interface EntryEvictedListener<K, V> extends MapListener {
/**
* Invoked upon eviction of an entry.
*
* @param event the event invoked when an entry is evicted
*/
void entryEvicted(EntryEvent<K, V> event);
}