/hazelcast/src/main/java/com/hazelcast/core/ItemListener.java

 1/*
 2 * Copyright (c) 2008-2013, Hazelcast, Inc. All Rights Reserved.
 3 *
 4 * Licensed under the Apache License, Version 2.0 (the "License");
 5 * you may not use this file except in compliance with the License.
 6 * You may obtain a copy of the License at
 7 *
 8 * http://www.apache.org/licenses/LICENSE-2.0
 9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.hazelcast.core;
18
19import java.util.EventListener;
20
21/**
22 * Item listener for {@link IQueue}, {@link ISet} and {@link IList}
23 *
24 * @param <E> item
25 */
26public interface ItemListener<E> extends EventListener {
27
28    /**
29     * Invoked when an item is added.
30     *
31     * @param item added item
32     */
33    void itemAdded(ItemEvent<E> item);
34
35    /**
36     * Invoked when an item is removed.
37     *
38     * @param item removed item.
39     */
40    void itemRemoved(ItemEvent<E> item);
41}