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1   /*
2    * Copyright 2009 Red Hat, Inc.
3    *
4    * Red Hat licenses this file to you under the Apache License, version 2.0
5    * (the "License"); you may not use this file except in compliance with the
6    * License.  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, 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 org.jboss.netty.channel.group;
17  
18  import java.util.EventListener;
19  
20  /**
21   * Listens to the result of a {@link ChannelGroupFuture}.  The result of the
22   * asynchronous {@link ChannelGroup} I/O operations is notified once this
23   * listener is added by calling {@link ChannelGroupFuture#addListener(ChannelGroupFutureListener)}
24   * and all I/O operations are complete.
25   *
26   * @author <a href="http://www.jboss.org/netty/">The Netty Project</a>
27   * @author <a href="http://gleamynode.net/">Trustin Lee</a>
28   *
29   * @version $Rev: 2080 $, $Date: 2010-01-26 18:04:19 +0900 (Tue, 26 Jan 2010) $
30   */
31  public interface ChannelGroupFutureListener extends EventListener {
32  
33      /**
34       * Invoked when all I/O operations associated with the
35       * {@link ChannelGroupFuture} have been completed.
36       *
37       * @param future  The source {@link ChannelGroupFuture} which called this
38       *                callback.
39       */
40      void operationComplete(ChannelGroupFuture future) throws Exception;
41  }