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1   /*
2    * Copyright 2009 Red Hat, Inc.
3    *
4    * Red Hat licenses this file to you under the Apache License, version 2.0
5    * (the "License"); you may not use this file except in compliance with the
6    * 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 org.jboss.netty.handler.timeout;
17  
18  import org.jboss.netty.channel.Channel;
19  
20  
21  /**
22   * An {@link Enum} that represents the idle state of a {@link Channel}.
23   *
24   * @author <a href="http://www.jboss.org/netty/">The Netty Project</a>
25   * @author <a href="http://gleamynode.net/">Trustin Lee</a>
26   * @version $Rev: 2080 $, $Date: 2010-01-26 18:04:19 +0900 (Tue, 26 Jan 2010) $
27   */
28  public enum IdleState {
29      /**
30       * No data was received for a while.
31       */
32      READER_IDLE,
33      /**
34       * No data was sent for a while.
35       */
36      WRITER_IDLE,
37      /**
38       * No data was either received or sent for a while.
39       */
40      ALL_IDLE;
41  }