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1
8
9 package mx4j.remote;
10
11 import javax.management.Notification  ;
12 import javax.management.NotificationFilter ;
13 import javax.management.NotificationListener ;
14 import javax.management.ObjectName ;
15
16
19 public class NotificationTuple
20 {
21 private static final NotificationFilter NO_FILTER = new NotificationFilter ()
22 {
23 public boolean isNotificationEnabled(Notification notification)
24 {
25 return true;
26 }
27
28 public String toString()
29 {
30 return "no filter";
31 }
32 };
33 private static final Object NO_HANDBACK = new Object ()
34 {
35 public String toString()
36 {
37 return "no handback";
38 }
39 };
40
41 private final ObjectName observed;
42 private final NotificationListener listener;
43 private final NotificationFilter filter;
44 private final Object handback;
45 private boolean invokeFilter;
46
47 public NotificationTuple(ObjectName observed, NotificationListener listener)
48 {
49 this(observed, listener, NO_FILTER, NO_HANDBACK);
50 }
51
52 public NotificationTuple(ObjectName observed, NotificationListener listener, NotificationFilter filter, Object handback)
53 {
54 this.observed = observed;
55 this.listener = listener;
56 this.filter = filter;
57 this.handback = handback;
58 this.invokeFilter = false;
59 }
60
61 public ObjectName getObjectName()
62 {
63 return observed;
64 }
65
66 public NotificationListener getNotificationListener()
67 {
68 return listener;
69 }
70
71 public Object getHandback()
72 {
73 if (handback == NO_HANDBACK) return null;
74 return handback;
75 }
76
77 public NotificationFilter getNotificationFilter()
78 {
79 if (filter == NO_FILTER) return null;
80 return filter;
81 }
82
83 public void setInvokeFilter(boolean invoke)
84 {
85 this.invokeFilter = invoke;
86 }
87
88 public boolean getInvokeFilter()
89 {
90 if (!invokeFilter) return false;
91 NotificationFilter filter = getNotificationFilter();
92 if (filter == null) return false;
93 return true;
94 }
95
96 public boolean equals(Object obj)
97 {
98 if (this == obj) return true;
99 if (!(obj instanceof NotificationTuple)) return false;
100
101 final NotificationTuple other = (NotificationTuple)obj;
102
103 if (!observed.equals(other.observed)) return false;
104 if (!listener.equals(other.listener)) return false;
105
106 if (filter == NO_FILTER) return true;
108 if (other.filter == NO_FILTER) return true;
109
110 if (filter != null ? !filter.equals(other.filter) : other.filter != null) return false;
111 if (handback != null ? !handback.equals(other.handback) : other.handback != null) return false;
112
113 return true;
114 }
115
116 public int hashCode()
117 {
118 int result;
119 result = observed.hashCode();
120 result = 29 * result + listener.hashCode();
121 result = 29 * result + (filter != null ? filter.hashCode() : 0);
122 result = 29 * result + (handback != null ? handback.hashCode() : 0);
123 return result;
124 }
125
126 public String toString()
127 {
128 StringBuffer buffer = new StringBuffer ("NotificationTuple [");
129 buffer.append(observed).append(", ");
130 buffer.append(listener).append(", ");
131 buffer.append(filter).append(", ");
132 buffer.append(handback).append("]");
133 return buffer.toString();
134 }
135 }
136 |
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