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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 io.netty.util;
17  
18  import java.util.concurrent.TimeUnit;
19  
20  /**
21   * A task which is executed after the delay specified with
22   * {@link Timer#newTimeout(TimerTask, long, TimeUnit)}.
23   */
24  public interface TimerTask {
25  
26      /**
27       * Executed after the delay specified with
28       * {@link Timer#newTimeout(TimerTask, long, TimeUnit)}.
29       *
30       * @param timeout a handle which is associated with this task
31       */
32      void run(Timeout timeout) throws Exception;
33  }