ICommandReference


1   // The contents of this file are subject to the Mozilla Public License Version
2   // 1.1
3   //(the "License"); you may not use this file except in compliance with the
4   //License. You may obtain a copy of the License at http://www.mozilla.org/MPL/
5   //
6   //Software distributed under the License is distributed on an "AS IS" basis,
7   //WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
8   //for the specific language governing rights and
9   //limitations under the License.
10  //
11  //The Original Code is "The Columba Project"
12  //
13  //The Initial Developers of the Original Code are Frederik Dietz and Timo
14  // Stich.
15  //Portions created by Frederik Dietz and Timo Stich are Copyright (C) 2003.
16  //
17  //All Rights Reserved.
18  package org.columba.api.command;
19  
20  /**
21   * @author fdietz
22   *
23   */
24  public interface ICommandReference {
25      /**
26       * Try to get lock.
27       * 
28       * @param locker
29       *            the instance who wants to have the lock
30       * 
31       * @return true, if locker has got the lock, false otherwise
32       */
33      boolean tryToGetLock(Object   locker);
34  
35      /**
36       * Release lock.
37       */
38      void releaseLock(Object   locker);
39  }

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