1/*
2 * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/*
25 * build        @BUILD_TAG_PLACEHOLDER@
26 *
27 * @COPYRIGHT_MINI_LEGAL_NOTICE_PLACEHOLDER@
28 */
29
30import javax.management.ListenerNotFoundException;
31import javax.management.Notification;
32import javax.management.NotificationBroadcasterSupport;
33import javax.management.NotificationFilter;
34import javax.management.NotificationListener;
35
36public class NotificationSender
37        extends NotificationBroadcasterSupport
38        implements NotificationSenderMBean {
39
40    public void sendNotifs(String type, int count) {
41        for (int i = 0; i < count; i++) {
42            Notification n = new Notification(type, this, newSeqNo());
43            sendNotification(n);
44        }
45    }
46
47    public int getListenerCount() {
48        return listenerCount;
49    }
50
51    public void addNotificationListener(NotificationListener l,
52                                        NotificationFilter f,
53                                        Object h) {
54        super.addNotificationListener(l, f, h);
55        listenerCount++;
56    }
57
58    public void removeNotificationListener(NotificationListener l)
59            throws ListenerNotFoundException {
60        super.removeNotificationListener(l);
61        listenerCount--;
62    }
63
64    public void removeNotificationListener(NotificationListener l,
65                                           NotificationFilter f,
66                                           Object h)
67            throws ListenerNotFoundException {
68        super.removeNotificationListener(l, f, h);
69        listenerCount--;
70    }
71
72    private static long newSeqNo() {
73        return ++seqNo;
74    }
75
76    private static long seqNo = 0;
77    private int listenerCount = 0;
78}
79