27
28 import java.util.Set;
29 import sun.jvmstat.monitor.MonitoredHost;
30
31 /**
32 * Provides a description of a change in status of the Java Virtual Machines
33 * associated with a MonitoredHost.
34 *
35 * @author Brian Doherty
36 * @since 1.5
37 */
38 @SuppressWarnings("serial") // JDK implementation class
39 public class VmStatusChangeEvent extends HostEvent {
40
41 /**
42 * The set of currently active Java Virtual Machines for the MonitoredHost.
43 * The set contains an Integer object holding the <em>lvmid</em> for each
44 * active Java Virtual Machine on the MonitoredHost. This Set will only
45 * contain Integer objects.
46 */
47 protected Set active;
48
49 /**
50 * The set of Java Virtual Machines started on MonitoredHost since the
51 * previous event. The set contains an Integer object holding the
52 * <em>lvmid</em> for each Java Virtual Machine started on the
53 * MonitoredHost. This Set will only contain Integer objects.
54 */
55 protected Set started;
56
57 /**
58 * The set of Java Virtual Machines terminated on MonitoredHost since the
59 * previous event. The set contains an Integer object holding the
60 * <em>lvmid</em> for each Java Virtual Machine started on the
61 * MonitoredHost. This Set will only contain Integer objects.
62 */
63 protected Set terminated;
64
65 /**
66 * Construct a new VmStatusChangeEvent instance.
67 *
68 * @param host the MonitoredHost that is the source of the event.
69 * @param active the set of currently active Java Virtual Machines
70 * @param started the set of Java Virtual Machines started since the
71 * last event.
72 * @param terminated the set of Java Virtual Machines terminated since
73 * the last event.
74 */
75 public VmStatusChangeEvent(MonitoredHost host, Set active,
76 Set started, Set terminated) {
77 super(host);
78 this.active = active;
79 this.started = started;
80 this.terminated = terminated;
81 }
82
83 /**
84 * Return the set of currently active Java Virtual Machines.
85 * The set contains an Integer object holding the <em>lvmid</em> for each
86 * active Java Virtual Machine on the MonitoredHost.
87 *
88 * @return Set - a set of Integer objects containing the <em>lvmid</em>
89 * of each active Java Virtual Machine on the host. If
90 * there are no active Java Virtual Machines on the host,
91 * an empty Set is returned.
92 */
93 public Set getActive() {
94 return active;
95 }
96
97 /**
98 * Return the set of Java Virtual Machines started since the last
99 * event notification. The set contains an Integer object holding
100 * the <em>lvmid</em> for each Java Virtual Machine started on the
101 * MonitoredHost since the last event notification.
102 *
103 * @return Set - a set of Integer objects containing the <em>lvmid</em>
104 * of each Java Virtual Machine started on the host. If
105 * no Java Virtual Machines were recently started on the
106 * host, an empty Set is returned.
107 */
108 public Set getStarted() {
109 return started;
110 }
111
112 /**
113 * Return the set of Java Virtual Machines terminated since the last
114 * event notification. The set contains an Integer object holding
115 * the <em>lvmid</em> for each Java Virtual Machine terminated on the
116 * MonitoredHost since the last event notification.
117 *
118 * @return Set - a set of Integer objects containing the <em>lvmid</em>
119 * of each Java Virtual Machine terminated on the host. If
120 * no Java Virtual Machines were recently terminated on the
121 * host, an empty Set is returned.
122 */
123 public Set getTerminated() {
124 return terminated;
125 }
126 }
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27
28 import java.util.Set;
29 import sun.jvmstat.monitor.MonitoredHost;
30
31 /**
32 * Provides a description of a change in status of the Java Virtual Machines
33 * associated with a MonitoredHost.
34 *
35 * @author Brian Doherty
36 * @since 1.5
37 */
38 @SuppressWarnings("serial") // JDK implementation class
39 public class VmStatusChangeEvent extends HostEvent {
40
41 /**
42 * The set of currently active Java Virtual Machines for the MonitoredHost.
43 * The set contains an Integer object holding the <em>lvmid</em> for each
44 * active Java Virtual Machine on the MonitoredHost. This Set will only
45 * contain Integer objects.
46 */
47 protected Set<Integer> active;
48
49 /**
50 * The set of Java Virtual Machines started on MonitoredHost since the
51 * previous event. The set contains an Integer object holding the
52 * <em>lvmid</em> for each Java Virtual Machine started on the
53 * MonitoredHost. This Set will only contain Integer objects.
54 */
55 protected Set<Integer> started;
56
57 /**
58 * The set of Java Virtual Machines terminated on MonitoredHost since the
59 * previous event. The set contains an Integer object holding the
60 * <em>lvmid</em> for each Java Virtual Machine started on the
61 * MonitoredHost. This Set will only contain Integer objects.
62 */
63 protected Set<Integer> terminated;
64
65 /**
66 * Construct a new VmStatusChangeEvent instance.
67 *
68 * @param host the MonitoredHost that is the source of the event.
69 * @param active the set of currently active Java Virtual Machines
70 * @param started the set of Java Virtual Machines started since the
71 * last event.
72 * @param terminated the set of Java Virtual Machines terminated since
73 * the last event.
74 */
75 public VmStatusChangeEvent(MonitoredHost host, Set<Integer> active,
76 Set<Integer> started, Set<Integer> terminated) {
77 super(host);
78 this.active = active;
79 this.started = started;
80 this.terminated = terminated;
81 }
82
83 /**
84 * Return the set of currently active Java Virtual Machines.
85 * The set contains an Integer object holding the <em>lvmid</em> for each
86 * active Java Virtual Machine on the MonitoredHost.
87 *
88 * @return Set - a set of Integer objects containing the <em>lvmid</em>
89 * of each active Java Virtual Machine on the host. If
90 * there are no active Java Virtual Machines on the host,
91 * an empty Set is returned.
92 */
93 public Set<Integer> getActive() {
94 return active;
95 }
96
97 /**
98 * Return the set of Java Virtual Machines started since the last
99 * event notification. The set contains an Integer object holding
100 * the <em>lvmid</em> for each Java Virtual Machine started on the
101 * MonitoredHost since the last event notification.
102 *
103 * @return Set - a set of Integer objects containing the <em>lvmid</em>
104 * of each Java Virtual Machine started on the host. If
105 * no Java Virtual Machines were recently started on the
106 * host, an empty Set is returned.
107 */
108 public Set<Integer> getStarted() {
109 return started;
110 }
111
112 /**
113 * Return the set of Java Virtual Machines terminated since the last
114 * event notification. The set contains an Integer object holding
115 * the <em>lvmid</em> for each Java Virtual Machine terminated on the
116 * MonitoredHost since the last event notification.
117 *
118 * @return Set - a set of Integer objects containing the <em>lvmid</em>
119 * of each Java Virtual Machine terminated on the host. If
120 * no Java Virtual Machines were recently terminated on the
121 * host, an empty Set is returned.
122 */
123 public Set<Integer> getTerminated() {
124 return terminated;
125 }
126 }
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