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1   /*
2    * $Id: ServiceStatusSnapshot.java,v 1.1 2006/06/16 14:50:06 kea Exp $
3    *
4    * (C) Copyright Astrogrid...
5    */
6   
7   package org.astrogrid.status;
8   
9   /***
10   * Basic status information for a service.  Particular astrogrid components might
11   * extend this to contain other information.
12   *
13   * A bean so that it can be used to return status information from SOAP web services
14   *
15   * This object holds historic information about a service's status at a particular
16   * time
17   *
18   * <p>
19   * @author M Hill
20   */
21  
22  import java.io.Serializable;
23  import java.util.Date;
24  
25  
26  public class ServiceStatusSnapshot implements Serializable
27  {
28     Date timestamp = new Date();
29     long free = -1;
30     long max = -1;
31     long total = -1;
32  
33     long numClosedTasks = -1;
34     long numTasks = -1;
35     
36     ServiceStatusSnapshot previous = null;
37  
38     /*** Creates an empty snapshot for bean de/serialising */
39     public ServiceStatusSnapshot() {
40     }
41     
42     /*** Creates a snapshot of the current situation
43     public ServiceStatusSnapshot(long tasksRunning, long tasksRun) {
44        timestamp = new Date();
45        free = Runtime.getRuntime().freeMemory();
46        max = Runtime.getRuntime().maxMemory();
47        total = Runtime.getRuntime().totalMemory();
48        this.numTasks = tasksRunning;
49        this.numClosedTasks = tasksRun;
50     }
51  
52     /** Creates a snapshot of the current situation with a link to the previous one.
53     public ServiceStatusSnapshot(long tasksRunning, long tasksRun, ServiceStatusSnapshot givenPrevious) {
54        this(tasksRunning, tasksRun);
55        this.previous = givenPrevious;
56     }
57  
58     /** Creates a snapshot of the given ServiceStatus   */
59     
60     /*** Propperty setter */
61     public void setNumClosedTasks(long numClosedTasks) {
62        this.numClosedTasks = numClosedTasks;
63     }
64     
65     public long getNumClosedTasks() {
66        return numClosedTasks;
67     }
68     
69     public void setNumTasks(long numTasks) {      this.numTasks = numTasks;   }
70     
71     public long getNumTasks() {      return numTasks;   }
72     
73     public void setFreeMemory(long free) {    this.free = free; }
74     
75     public void setMaxMemory(long max) {      this.max = max;   }
76     
77     public void setTotalMemory(long total) {  this.total = total;  }
78     
79     public void setPrevious(ServiceStatusSnapshot previous) {
80        this.previous = previous;
81     }
82     
83     public ServiceStatusSnapshot getPrevious() {
84        return previous;
85     }
86     
87     public void setTimestamp(Date timestamp) {      this.timestamp = timestamp;   }
88     
89     public Date getTimestamp() { return timestamp; }
90     
91     public long getFreeMemory() {    return free;  }
92     
93     public long getMaxMemory() {     return max;  }
94     
95     public long getTotalMemory() {   return total;  }
96   
97  }
98  
99  
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