1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 *
19 */
20 package org.apache.mina.core.service;
21
22 import java.util.EventListener;
23
24 import org.apache.mina.core.session.IdleStatus;
25 import org.apache.mina.core.session.IoSession;
26
27 /**
28 * Listens to events related to an {@link IoService}.
29 *
30 * @author The Apache MINA Project (dev@mina.apache.org)
31 */
32 public interface IoServiceListener extends EventListener {
33 /**
34 * Invoked when a new service is activated by an {@link IoService}.
35 *
36 * @param service the {@link IoService}
37 */
38 void serviceActivated(IoService service) throws Exception;
39
40 /**
41 * Invoked when a service is idle.
42 */
43 void serviceIdle(IoService service, IdleStatus idleStatus) throws Exception;
44
45 /**
46 * Invoked when a service is deactivated by an {@link IoService}.
47 *
48 * @param service the {@link IoService}
49 */
50 void serviceDeactivated(IoService service) throws Exception;
51
52 /**
53 * Invoked when a new session is created by an {@link IoService}.
54 *
55 * @param session the new session
56 */
57 void sessionCreated(IoSession session) throws Exception;
58
59 /**
60 * Invoked when a session is being destroyed by an {@link IoService}.
61 *
62 * @param session the session to be destroyed
63 */
64 void sessionDestroyed(IoSession session) throws Exception;
65 }