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Java > Open Source Codes > org > objectweb > proactive > examples > boundedbuffer > Consumer


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.boundedbuffer;
32
33 /**
34  * This class implements a simple producer
35  */
36 public class Consumer extends ConsumerProducer {
37
38   /**
39    * The no arg constructor
40    * There _MUST_ be an empty no arg constructor
41    */
42   public Consumer() {
43   }
44
45
46   /**
47    * The effective constructor
48    */
49   public Consumer(ConsumerProducerListener listener, BoundedBuffer buffer) {
50     super("Consumer", listener, buffer);
51   }
52
53
54   protected void doStuff(boolean wasSuspended) {
55     if (isSuspended) {
56       if (!wasSuspended)
57         listener.consumerStopRunning();
58     } else {
59       if (wasSuspended)
60         listener.consumerStartRunning();
61       buffer.get(); // Get the datas --> returns a future object.
62 // The call is synchronous as String is final
63 }
64   }
65 }
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