View Javadoc
1   /*
2    * Copyright 2014 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 io.netty.util.internal;
17  
18  import io.netty.util.concurrent.EventExecutor;
19  
20  /**
21   * Generic interface to wrap an {@link EventExecutor} and a {@link Runnable}.
22   *
23   * This interface is used internally to ensure scheduled tasks are executed by
24   * the correct {@link EventExecutor} after channel migration.
25   *
26   * @see io.netty.util.concurrent.ScheduledFutureTask
27   * @see io.netty.util.concurrent.SingleThreadEventExecutor
28   */
29  public interface RunnableEventExecutorAdapter extends Runnable {
30      /**
31       * @return  the wrapped {@link EventExecutor}.
32       */
33      EventExecutor executor();
34  
35      /**
36       * @return  the wrapped {@link Runnable}.
37       */
38      Runnable unwrap();
39  }