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1   /***
2    *
3    * Copyright 2004 Hiram Chirino
4    *
5    *  Licensed under the Apache License, Version 2.0 (the "License");
6    *  you may not use this file except in compliance with the License.
7    *  You may obtain a copy of the License at
8    *
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   *
11   *  Unless required by applicable law or agreed to in writing, software
12   *  distributed under the License is distributed on an "AS IS" BASIS,
13   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   *  See the License for the specific language governing permissions and
15   *  limitations under the License.
16   */
17  
18  package org.activeio;
19  
20  import java.io.IOException;
21  
22  /***
23   * @version $Revision$
24   */
25  public interface OutputChannel extends Channel {
26      
27      /***
28       * Sends a packet down the channel towards the media.
29       * 
30       * @param packet
31       * @throws IOException
32       */
33      void write(Packet packet) throws IOException;
34      
35      /***
36       * Some channels may buffer data which may be sent down if flush() is called.
37       * 
38       * @throws IOException
39       */
40      void flush() throws IOException;    
41  }