Scheduler


1   /**
2    * Dream
3    * Copyright (C) 2003-2004 INRIA Rhone-Alpes
4    *
5    * This library is free software; you can redistribute it and/or
6    * modify it under the terms of the GNU Lesser General Public
7    * License as published by the Free Software Foundation; either
8    * version 2 of the License, or (at your option) any later version.
9    *
10   * This library is distributed in the hope that it will be useful,
11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13   * Lesser General Public License for more details.
14   *
15   * You should have received a copy of the GNU Lesser General Public
16   * License along with this library; if not, write to the Free Software
17   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18   *
19   * Contact : dream@objectweb.org
20   *
21   * Initial developer(s): Vivien Quema
22   * Contributor(s): 
23   */
24  
25  package org.objectweb.dream.control.activity.scheduler;
26  
27  /**
28   * Interface representing a scheduler.
29   */
30  public interface Scheduler
31  {
32  
33    /**
34     * The commonly used nam to refer to this interface.
35     */
36    String   ITF_NAME = "scheduler";
37  
38    /**
39     * Scheduling method.
40     * 
41     * @param hints scheduling parameters.
42     * @return An object that represents the scheduling result.
43     * @throws InterruptedException if the scheduler has been interrupted while
44     *           scheduling.
45     * @throws StoppedSchedulerException if the scheduler is stopped.
46     */
47    Object   schedule(Object   hints) throws InterruptedException  ,
48        StoppedSchedulerException;
49  
50  }

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