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Java > Open Source Codes > org > apache > slide > event > TransactionEvent


1 /*
2  * $Header: /home/cvs/jakarta-slide/src/share/org/apache/slide/event/TransactionEvent.java,v 1.2 2004/07/28 09:36:18 ib Exp $
3  * $Revision: 1.2 $
4  * $Date: 2004/07/28 09:36:18 $
5  *
6  * ====================================================================
7  *
8  * Copyright 1999-2004 The Apache Software Foundation
9  *
10  * Licensed under the Apache License, Version 2.0 (the "License");
11  * you may not use this file except in compliance with the License.
12  * You may obtain a copy of the License at
13  *
14  * http://www.apache.org/licenses/LICENSE-2.0
15  *
16  * Unless required by applicable law or agreed to in writing, software
17  * distributed under the License is distributed on an "AS IS" BASIS,
18  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19  * See the License for the specific language governing permissions and
20  * limitations under the License.
21  *
22  */
23
24 package org.apache.slide.event;
25
26 import java.util.EventListener JavaDoc;
27 import java.util.EventObject JavaDoc;
28
29 /**
30  * Transaction event class
31  *
32  * @version $Revision: 1.2 $
33  */
34 public class TransactionEvent extends EventObject JavaDoc {
35     public final static Begin BEGIN = new Begin();
36     public final static Rollback ROLLBACK = new Rollback();
37     public final static Commit COMMIT = new Commit();
38     public final static Commited COMMITED = new Commited();
39
40     public final static String JavaDoc GROUP = "transaction";
41     public final static AbstractEventMethod[] methods = new AbstractEventMethod[] { BEGIN, ROLLBACK, COMMIT, COMMITED };
42
43     public TransactionEvent(Object JavaDoc source) {
44         super(source);
45     }
46
47     public static class Begin extends EventMethod {
48         public Begin() {
49             super(GROUP, "begin");
50         }
51
52         public void fireEvent(EventListener JavaDoc listener, EventObject JavaDoc event) {
53             if ( listener instanceof TransactionListener ) ((TransactionListener)listener).begin((TransactionEvent)event);
54         }
55     }
56
57     public static class Commit extends VetoableEventMethod {
58         public Commit() {
59             super(GROUP, "commit");
60         }
61
62         public void fireVetaoableEvent(EventListener JavaDoc listener, EventObject JavaDoc event) throws VetoException {
63             if ( listener instanceof TransactionListener ) ((TransactionListener)listener).commit((TransactionEvent)event);
64         }
65     }
66
67     public static class Commited extends EventMethod {
68         public Commited() {
69             super(GROUP, "commited");
70         }
71
72         public void fireEvent(EventListener JavaDoc listener, EventObject JavaDoc event) {
73             if ( listener instanceof TransactionListener ) ((TransactionListener)listener).commited((TransactionEvent)event);
74         }
75     }
76
77     public static class Rollback extends EventMethod {
78         public Rollback() {
79             super(GROUP, "rollback");
80         }
81
82         public void fireEvent(EventListener JavaDoc listener, EventObject JavaDoc event) {
83             if ( listener instanceof TransactionListener ) ((TransactionListener)listener).rollback((TransactionEvent)event);
84         }
85     }
86 }
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