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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  }