StatisticsIF


1   /*
2    * This software is released under a licence similar to the Apache Software Licence.
3    * See org.logicalcobwebs.proxool.package.html for details.
4    * The latest version is available at http://proxool.sourceforge.net
5    */
6   package org.logicalcobwebs.proxool.admin;
7   
8   import java.util.Date  ;
9   
10  /**
11   * Provides statistical performance information for a period ot
12   * time.
13   *
14   * @version $Revision: 1.2 $, $Date: 2003/03/03 11:11:59 $
15   * @author bill
16   * @author $Author: billhorsman $ (current maintainer)
17   * @since Proxool 0.7
18   */
19  public interface StatisticsIF {
20  
21      /**
22       * The length of time this sample represents,
23       * @return period (milliseconds)
24       */
25      long getPeriod();
26  
27      /**
28       * The average time that each connection spent active.
29       * @return averageActiveTime (milliseconds)
30       */
31      double getAverageActiveTime();
32  
33      /**
34       * The average number of active connections,
35       * @return averageActiveCount
36       */
37      double getAverageActiveCount();
38  
39      /**
40       * The number of connections served during this sample.
41       * @return servedCount
42       */
43      long getServedCount();
44  
45      /**
46       * The number of connections refused during this sample.
47       * @return refusedCount
48       */
49      long getRefusedCount();
50  
51      /**
52       * When this sample started.
53       * @return startDate
54       * @see #getStopDate
55       * @see #getPeriod
56       */
57      Date   getStartDate();
58  
59      /**
60       * When this sample stopped
61       * @return stopDate
62       * @see #getStartDate
63       * @see #getPeriod
64       */
65      Date   getStopDate();
66  
67      /**
68       * The rate at which we have served connections
69       * @return servedPerSecond
70       */
71      double getServedPerSecond();
72  
73      /**
74       * The rate at which we have refused connections
75       * @return refusedPerSecond
76       */
77      double getRefusedPerSecond();
78  
79  }
80  
81  
82  /*
83   Revision history:
84   $Log: StatisticsIF.java,v $
85   Revision 1.2  2003/03/03 11:11:59  billhorsman
86   fixed licence
87  
88   Revision 1.1  2003/02/19 23:36:51  billhorsman
89   renamed monitor package to admin
90  
91   Revision 1.3  2003/01/31 16:53:23  billhorsman
92   checkstyle
93  
94   Revision 1.2  2003/01/31 16:38:54  billhorsman
95   doc (and removing public modifier for classes where possible)
96  
97   Revision 1.1  2003/01/31 11:35:57  billhorsman
98   improvements to servlet (including connection details)
99  
100  Revision 1.1  2003/01/30 17:20:12  billhorsman
101  fixes, improvements and doc
102 
103  */
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