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Java > Open Source Codes > org > objectweb > proactive > core > body > message > Message


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.body.message;
32
33 import org.objectweb.proactive.core.UniqueID;
34
35 /**
36  * <p>
37  * A class implementing this interface is an object encapsulating a reified method call
38  * either the sending of the call with the arguments or the reply of the call with
39  * the result.
40  * </p><p>
41  * A <code>Message</code> clearly identifies a sender and a receiver of the message. Each message
42  * is associated with a unique sequence number.
43  * </p>
44  *
45  * @author ProActive Team
46  * @version 1.0, 2001/10/23
47  * @since ProActive 0.9
48  *
49  */
50 public interface Message {
51   
52   /**
53    * Returns the id of the body source of this message
54    * @return the id of the body source of this message
55    */
56   public UniqueID getSourceBodyID();
57
58
59   /**
60    * Returns the method name of the method call packed in this message
61    * @return the method name of the method call packed in this message
62    */
63   public String JavaDoc getMethodName();
64
65
66   /**
67    * Returns a unique sequence number of this message
68    * @return a unique sequence number of this message
69    */
70   public long getSequenceNumber();
71
72
73   /**
74    * Returns true if the message will not generate a response message
75    * @return true if the message will not generate a response message
76    */
77   public boolean isOneWay();
78
79
80   /**
81    * Returns the time this message was created or deserialized
82    * @return the time this message was created or deserialized
83    */
84   public long getTimeStamp();
85   
86  
87   
88   
89 }
90
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