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1   /*
2    * $Id: Number.java 7976 2007-08-21 14:26:13Z dirk.olmes $
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 CPAL v1.0
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: 7976 $
18   */
19  public class Number extends AbstractCounter
20  {
21  
22      private double value = 0.0;
23  
24      public Number(String name)
25      {
26          super(name, Type.NUMBER);
27      }
28  
29      public synchronized double increment()
30      {
31          this.value++;
32          propagate();
33          return this.value;
34      }
35  
36      public synchronized double incrementBy(double value)
37      {
38          this.value += value;
39          propagate();
40          return this.value;
41      }
42  
43      public synchronized double decrement()
44      {
45          this.value--;
46          propagate();
47          return this.value;
48      }
49  
50      public synchronized void setRawValue(double value)
51      {
52          this.value = value;
53          propagate();
54      }
55  
56      public synchronized double nextValue()
57      {
58          return this.value;
59      }
60  
61  }