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Java > Open Source Codes > org > objectweb > proactive > Active


1 /*
2 * ################################################################
3 *
4 * ProActive: The Java(TM) library for Parallel, Distributed,
5 * Concurrent computing with Security and Mobility
6 *
7 * Copyright (C) 1997-2002 INRIA/University of Nice-Sophia Antipolis
8 * Contact: proactive-support@inria.fr
9 *
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or any later version.
14 *
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
19 *
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
23 * USA
24 *
25 * Initial developer(s): The ProActive Team
26 * http://www.inria.fr/oasis/ProActive/contacts.html
27 * Contributor(s):
28 *
29 * ################################################################
30 */
31 package org.objectweb.proactive;
32
33 /**
34  * <P>
35  * Active is the root of the all interfaces related to the activity of an
36  * active object. It is a convenience for having a common interface that
37  * can be used to type objects implementing one or more of the others.
38  * </P><P>
39  * So far we considered three steps in the lifecycle of an active object.
40  * </P>
41  * <ul>
42  * <li> the initialization of the activity (done only once)</li>
43  * <li> the activity itself</li>
44  * <li> the end of the activity (unique event)</li>
45  * </ul>
46  * <P>
47  * In case of a migration, an active object stops and restarts its activity
48  * automatically without invoking the init or ending phases. Only the
49  * activity itself is restarted.
50  * </P>
51  *
52  * @author ProActive Team
53  * @version 1.0, 2002/06
54  * @since ProActive 0.9.3
55  */
56 public interface Active {
57
58 }
59
60
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