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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    *   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  
17  package io.netty.channel;
18  
19  import io.netty.util.concurrent.EventExecutor;
20  
21  /**
22   * Will handle all the I/O operations for a {@link Channel} once registered.
23   *
24   * One {@link EventLoop} instance will usually handle more then one {@link Channel} but this may depend on
25   * implementation details and internals.
26   *
27   */
28  public interface EventLoop extends EventExecutor, EventLoopGroup {
29      @Override
30      EventLoopGroup parent();
31  
32      @Override
33      EventLoop unwrap();
34  
35      /**
36       * Creates a new default {@link ChannelHandlerInvoker} implementation that uses this {@link EventLoop} to
37       * invoke event handler methods.
38       */
39      ChannelHandlerInvoker asInvoker();
40  }