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 * 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.channel; 17 18 import io.netty.util.concurrent.EventExecutorGroup; 19 20 /** 21 * Special {@link EventExecutorGroup} which allows registering {@link Channel}s that get 22 * processed for later selection during the event loop. 23 * 24 */ 25 public interface EventLoopGroup extends EventExecutorGroup { 26 /** 27 * Return the next {@link EventLoop} to use 28 */ 29 @Override 30 EventLoop next(); 31 32 /** 33 * Register a {@link Channel} with this {@link EventLoop}. The returned {@link ChannelFuture} 34 * will get notified once the registration was complete. 35 */ 36 ChannelFuture register(Channel channel); 37 38 /** 39 * Register a {@link Channel} with this {@link EventLoop} using a {@link ChannelFuture}. The passed 40 * {@link ChannelFuture} will get notified once the registration was complete and also will get returned. 41 */ 42 ChannelFuture register(ChannelPromise promise); 43 44 /** 45 * Register a {@link Channel} with this {@link EventLoop}. The passed {@link ChannelFuture} 46 * will get notified once the registration was complete and also will get returned. 47 * 48 * @deprecated Use {@link #register(ChannelPromise)} instead. 49 */ 50 @Deprecated 51 ChannelFuture register(Channel channel, ChannelPromise promise); 52 }