01: // The contents of this file are subject to the Mozilla Public License Version
02: // 1.1
03: //(the "License"); you may not use this file except in compliance with the
04: //License. You may obtain a copy of the License at http://www.mozilla.org/MPL/
05: //
06: //Software distributed under the License is distributed on an "AS IS" basis,
07: //WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
08: //for the specific language governing rights and
09: //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: }
|