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Java > Open Source Codes > org > apache > excalibur > instrument > manager > ValueInstrumentListener


1 /*
2
3  ============================================================================
4                    The Apache Software License, Version 1.1
5  ============================================================================
6  
7  Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
8  
9  Redistribution and use in source and binary forms, with or without modifica-
10  tion, are permitted provided that the following conditions are met:
11  
12  1. Redistributions of source code must retain the above copyright notice,
13     this list of conditions and the following disclaimer.
14  
15  2. Redistributions in binary form must reproduce the above copyright notice,
16     this list of conditions and the following disclaimer in the documentation
17     and/or other materials provided with the distribution.
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19  3. The end-user documentation included with the redistribution, if any, must
20     include the following acknowledgment: "This product includes software
21     developed by the Apache Software Foundation (http://www.apache.org/)."
22     Alternately, this acknowledgment may appear in the software itself, if
23     and wherever such third-party acknowledgments normally appear.
24  
25  4. The names "Jakarta", "Avalon", "Excalibur" and "Apache Software Foundation"
26     must not be used to endorse or promote products derived from this software
27     without prior written permission. For written permission, please contact
28     apache@apache.org.
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30  5. Products derived from this software may not be called "Apache", nor may
31     "Apache" appear in their name, without prior written permission of the
32     Apache Software Foundation.
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34  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
35  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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39  DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
40  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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43  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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45  This software consists of voluntary contributions made by many individuals
46  on behalf of the Apache Software Foundation. For more information on the
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48  
49 */
50 package org.apache.excalibur.instrument.manager;
51
52 /**
53  * Objects which implement the InstrumentListener interface can register
54  * themselves with Instrument instances to receive updates on the
55  * Profile Point's value.
56  *
57  * @author <a HREF="mailto:leif@tanukisoftware.com">Leif Mortenson</a>
58  * @version CVS $Revision: 1.2 $ $Date: 2003/02/20 17:08:18 $
59  * @since 4.1
60  */
61 public interface ValueInstrumentListener
62     extends InstrumentListener
63 {
64     /**
65      * Called by a ValueInstrument whenever its value is set.
66      *
67      * @param instrumentName The name of Instrument whose value was set.
68      * @param value Value that was set.
69      * @param time The time that the Instrument was incremented.
70      *
71      * ValueInstrument
72      */
73     void setValue( String JavaDoc instrumentName, int value, long time );
74 }
75
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