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Java > Open Source Codes > org > objectweb > proactive > examples > futurelist > BlockedObject


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.examples.futurelist;
32
33 import org.apache.log4j.Logger;
34
35 public class BlockedObject implements org.objectweb.proactive.RunActive, java.io.Serializable JavaDoc {
36     
37     
38     static Logger logger = Logger.getLogger(BlockedObject.class.getName());
39     
40     
41   public BlockedObject() {
42   }
43
44   public void runActivity(org.objectweb.proactive.Body body) {
45     //first we wait to allow the caller to migrate with its futures
46 org.objectweb.proactive.Service service = new org.objectweb.proactive.Service(body);
47     service.blockingRemoveOldest("go");
48     logger.info("BlockedObject: Now in service");
49     service.fifoServing();
50   }
51
52
53   //unblock the live method
54 public void go() {
55     logger.info("BlockedObject: go()");
56   }
57
58
59   public EmptyFuture createFuture() {
60     return new EmptyFuture();
61
62   }
63 }
64
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