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.future;
21
22 import java.util.EventListener;
23
24 import org.apache.mina.core.session.IoSession;
25
26 /**
27 * Something interested in being notified when the completion
28 * of an asynchronous I/O operation : {@link IoFuture}.
29 *
30 * @param <F> The Future type
31 *
32 * @author <a href="http://mina.apache.org">Apache MINA Project</a>
33 */
34 public interface IoFutureListener<F extends IoFuture> extends EventListener {
35 /**
36 * An {@link IoFutureListener} that closes the {@link IoSession} which is
37 * associated with the specified {@link IoFuture}.
38 */
39 IoFutureListener<IoFuture> CLOSE = new IoFutureListener<IoFuture>() {
40 /**
41 * {@inheritDoc}
42 */
43 @Override
44 public void operationComplete(IoFuture future) {
45 future.getSession().closeNow();
46 }
47 };
48
49 /**
50 * Invoked when the operation associated with the {@link IoFuture}
51 * has been completed even if you add the listener after the completion.
52 *
53 * @param future The source {@link IoFuture} which called this
54 * callback.
55 */
56 void operationComplete(F future);
57 }