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Java > Open Source Codes > org > objectweb > proactive > core > event > MigrationEvent


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.core.event;
32
33 import org.objectweb.proactive.Body;
34 import org.objectweb.proactive.core.body.migration.MigrationException;
35
36 /**
37  * <p>
38  * <code>MigrationEvent</code>s occur during the migration of an active object. Several type
39  * allow to determine when the event occured in the process of migration.
40  * </p>
41  *
42  * @author ProActive Team
43  * @version 1.0, 2001/10/23
44  * @since ProActive 0.9
45  *
46  */
47 public class MigrationEvent extends ProActiveEvent implements java.io.Serializable JavaDoc {
48   
49   public static final int BEFORE_MIGRATION = 10;
50   public static final int AFTER_MIGRATION = 20;
51   public static final int RESTARTING_AFTER_MIGRATING = 30;
52   public static final int MIGRATION_EXCEPTION = 40;
53
54   /**
55    * Creates a new <code>MigrationEvent</code> occuring during the migration of the
56    * active object linked to the given body.
57    * @param <code>body</code> the body associated to the migrating active object
58    * @param <code>type</code> a number specifying when in the process of migration the event occured.
59    */
60   public MigrationEvent(Body body, int type) {
61     super(body, type);
62   }
63   
64   /**
65    * Creates a new <code>MigrationEvent</code> based on an exception occuring during the process of migration.
66    * @param <code>exception</code> the exception that occured
67    */
68   public MigrationEvent(MigrationException exception) {
69     super(exception, MIGRATION_EXCEPTION);
70   }
71     
72 }
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