1 /* 2 * Copyright 2012 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 * 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 public interface ChannelGroupFutureListener extends EventListener { 27 28 /** 29 * Invoked when all I/O operations associated with the 30 * {@link ChannelGroupFuture} have been completed. 31 * 32 * @param future The source {@link ChannelGroupFuture} which called this 33 * callback. 34 */ 35 void operationComplete(ChannelGroupFuture future) throws Exception; 36 }