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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;
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 {
28  
29      // ----------------------------------------------------------- Constructors
30      private int code;
31      private String type;
32      private Object source;
33      private long seq;
34      private long tstamp;
35  
36      /***
37       * Private constructor.
38       */
39      private BaseNotification(String type,
40                               Object 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 type, Object 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 notes[]=new Object[32];
80  
81      public final Object getNote(int i ) {
82          return notes[i];
83      }
84  
85      public final void setNote(int i, Object o ) {
86          notes[i]=o;
87      }
88  }