1 package org.apache.commons.jcs.engine.control.event.behavior;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import java.io.IOException;
23
24 /**
25 * Interface for an element event queue. An event queue is used to propagate
26 * ordered element events in one region.
27 *
28 */
29 public interface IElementEventQueue
30 {
31 /**
32 * Adds an ElementEvent to be handled
33 *
34 * @param hand
35 * The IElementEventHandler
36 * @param event
37 * The IElementEventHandler IElementEvent event
38 * @throws IOException
39 */
40 <T> void addElementEvent( IElementEventHandler hand, IElementEvent<T> event )
41 throws IOException;
42
43 /**
44 * Destroy the event queue
45 *
46 */
47 void dispose();
48 }