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Java > Open Source Codes > org > mule > util > counters > impl > Max


1 /*
2  * $Id: Max.java 3798 2006-11-04 04:07:14Z aperepel $
3  * --------------------------------------------------------------------------------------
4  * Copyright (c) MuleSource, Inc. All rights reserved. http://www.mulesource.com
5  *
6  * The software in this package is published under the terms of the MuleSource MPL
7  * license, a copy of which has been included with this distribution in the
8  * LICENSE.txt file.
9  */
10
11 package org.mule.util.counters.impl;
12
13 import org.mule.util.counters.CounterFactory.Type;
14
15 /**
16  * @author <a HREF="mailto:gnt@codehaus.org">Guillaume Nodet</a>
17  * @version $Revision: 3798 $
18  */
19 public class Max extends AggregateCounter
20 {
21
22     private double max = Double.MIN_VALUE;
23
24     public Max(String JavaDoc name, AbstractCounter base)
25     {
26         super(name, Type.MAX, base);
27     }
28
29     public double nextValue()
30     {
31         return max;
32     }
33
34     public void doCompute()
35     {
36         double next = getBase().nextValue();
37         if (max == Double.NaN)
38         {
39             max = next;
40         }
41         else if (next > max)
42         {
43             max = next;
44         }
45     }
46
47 }
48
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