1 /*
2 * Copyright 2013 The Netty Project
3 *
4 * The Netty Project licenses this file to you under the Apache License,
5 * version 2.0 (the "License"); you may not use this file except in compliance
6 * with the License. You may obtain a copy of the License at:
7 *
8 * https://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, WITHOUT
12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13 * License for the specific language governing permissions and limitations
14 * under the License.
15 */
16 package io.netty.util.concurrent;
17
18 import java.util.EventListener;
19
20 /**
21 * Listens to the result of a {@link Future}. The result of the asynchronous operation is notified once this listener
22 * is added by calling {@link Future#addListener(GenericFutureListener)}.
23 */
24 public interface GenericFutureListener<F extends Future<?>> extends EventListener {
25
26 /**
27 * Invoked when the operation associated with the {@link Future} has been completed.
28 *
29 * @param future the source {@link Future} which called this callback
30 */
31 void operationComplete(F future) throws Exception;
32 }