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Java > Open Source Codes > org > apache > commons > modeler > BaseNotification


1 /*
2  * Copyright 1999,2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package org.apache.commons.modeler;
17
18 import javax.management.Notification JavaDoc;
19
20
21 /**
22  * Base JMX Notification. Supports in int code and notes - for faster
23  * access and dispatching.
24  *
25  * @author Costin Manolache
26  */
27 public final class BaseNotification extends Notification JavaDoc {
28
29     // ----------------------------------------------------------- Constructors
30 private int code;
31     private String JavaDoc type;
32     private Object JavaDoc source;
33     private long seq;
34     private long tstamp;
35
36     /**
37      * Private constructor.
38      */
39     private BaseNotification(String JavaDoc type,
40                              Object JavaDoc source,
41                              long seq,
42                              long tstamp,
43                              int code) {
44         super(type, source, seq, tstamp);
45         init( type, source, seq, tstamp, code );
46         this.code=code;
47     }
48
49     public void recycle() {
50
51     }
52
53     public void init( String JavaDoc type, Object JavaDoc source,
54                       long seq, long tstamp, int code )
55     {
56         this.type=type;
57         this.source = source;
58         this.seq=seq;
59         this.tstamp=tstamp;
60         this.code = code;
61     }
62
63     // -------------------- Override base methods --------------------
64 // All base methods need to be overriden - in order to support recycling.
65
66
67     // -------------------- Information associated with the notification ----
68 // Like events ( which Notification extends ), notifications may store
69 // informations related with the event that trigered it. Source and type is
70 // one piece, but it is common to store more info.
71
72     /** Action id, useable in switches and table indexes
73      */
74     public int getCode() {
75         return code;
76     }
77
78     // XXX Make it customizable - or grow it
79 private Object JavaDoc notes[]=new Object JavaDoc[32];
80
81     public final Object JavaDoc getNote(int i ) {
82         return notes[i];
83     }
84
85     public final void setNote(int i, Object JavaDoc o ) {
86         notes[i]=o;
87     }
88 }
89
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