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Java > Open Source Codes > org > objectweb > proactive > core > body > proxy > AbstractProxy


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.proxy;
32 //add comments
33 import org.objectweb.proactive.core.mop.MethodCall;
34 import org.objectweb.proactive.core.mop.Proxy;
35
36 public abstract class AbstractProxy implements Proxy, java.io.Serializable JavaDoc {
37
38   //
39 // -- CONSTRUCTORS -----------------------------------------------
40 //
41 public AbstractProxy() {
42   }
43
44
45   //
46 // -- METHODS ----------------------------------------------------
47 //
48 /**
49    * Checks if the given <code>Call</code> object <code>c</code> can be
50    * processed with a future semantics, i-e if its returned object
51    * can be a future object.
52    *
53    * Two conditions must be met : <UL>
54    * <LI> The returned object is reifiable
55    * <LI> The invoked method does not throw any exceptions
56    * </UL>
57    * @return true if and only if the method call can be asynchronous
58    */
59   protected static boolean isAsynchronousCall(MethodCall mc) {
60     return mc.isAsynchronousWayCall();
61   }
62
63
64   /**
65    * Returns a boolean saying whether the methode is one-way or not.
66    * Being one-way method is equivalent to <UL>
67    * <LI>having <code>void</code> as return type
68    * <LI>and not throwing any checked exceptions</UL>
69    * @return true if and only if the method call is one way
70    */
71   protected static boolean isOneWayCall(MethodCall mc) {
72     return mc.isOneWayCall();
73   }
74
75 }
76
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