1/*
2 * Copyright (c) 2004, 2008, 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.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package sun.management;
27
28import javax.management.MBeanRegistration;
29import javax.management.MBeanServer;
30import javax.management.ObjectName;
31
32/**
33 * Implementation class of HotspotInternalMBean interface.
34 *
35 * <p> This is designed for internal customer use to create
36 * this MBean dynamically from an agent which will then register
37 * all internal MBeans to the platform MBeanServer.
38 */
39public class HotspotInternal
40    implements HotspotInternalMBean, MBeanRegistration {
41
42    private final static String HOTSPOT_INTERNAL_MBEAN_NAME =
43        "sun.management:type=HotspotInternal";
44    private static ObjectName objName = Util.newObjectName(HOTSPOT_INTERNAL_MBEAN_NAME);
45    private MBeanServer server = null;
46
47    /**
48     * Default constructor that registers all hotspot internal MBeans
49     * to the MBeanServer that creates this MBean.
50     */
51    public HotspotInternal() {
52    }
53
54    public ObjectName preRegister(MBeanServer server,
55                                  ObjectName name) throws java.lang.Exception {
56        // register all internal MBeans when this MBean is instantiated
57        // and to be registered in a MBeanServer.
58        ManagementFactoryHelper.registerInternalMBeans(server);
59        this.server = server;
60        return objName;
61    }
62
63    public void postRegister(Boolean registrationDone) {};
64
65    public void preDeregister() throws java.lang.Exception {
66        // unregister all internal MBeans when this MBean is unregistered.
67        ManagementFactoryHelper.unregisterInternalMBeans(server);
68    }
69
70    public void postDeregister() {};
71
72}
73