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Java > Open Source Codes > org > objectweb > dream > aggregator > PullPullAggregatorFixedNumberAttributeController


1 /**
2  * DREAM
3  * Copyright (C) 2003 2004 INRIA Rhone-Alpes
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this library; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18  *
19  * Contact: dream@objectweb.org
20  *
21  * Initial developer(s): Vivien Quema
22  * Contributor(s):
23  */
24
25 package org.objectweb.dream.aggregator;
26
27 import org.objectweb.fractal.api.control.AttributeController;
28
29 /**
30  * Attribute controller for Pull/Pull aggregators that aggregate a fixed number
31  * of messages. This controller allows dynamically modifying this number.
32  */
33 public interface PullPullAggregatorFixedNumberAttributeController
34     extends
35       AttributeController
36 {
37
38   /**
39    * Returns the number of messages that must be aggregated.
40    *
41    * @return the number of messages that must be aggregated.
42    */
43   int getNbMessagesToAggregate();
44
45   /**
46    * Sets the number of messages that must be aggregated.
47    *
48    * @param nb the number to be set.
49    */
50   void setNbMessagesToAggregate(int nb);
51
52 }
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