01: /*
02: * Copyright 2003-2004 Sun Microsystems, Inc. All Rights Reserved.
03: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04: *
05: * This code is free software; you can redistribute it and/or modify it
06: * under the terms of the GNU General Public License version 2 only, as
07: * published by the Free Software Foundation. Sun designates this
08: * particular file as subject to the "Classpath" exception as provided
09: * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22: * CA 95054 USA or visit www.sun.com if you need additional information or
23: * have any questions.
24: */
25:
26: package com.sun.management;
27:
28: import java.lang.management.OperatingSystemMXBean;
29: import sun.management.VMManagement;
30:
31: /**
32: * Operating system dependent MBean factory.
33: * <p>
34: * <b>WARNING:</b> While this class is public, it should not be treated as
35: * public API and its API may change in incompatable ways between dot dot
36: * releases and even patch releases. You should not rely on this class.
37: */
38: public class OSMBeanFactory {
39: /* static factory class */
40: private OSMBeanFactory() {
41: };
42:
43: private static OperatingSystem osMBean = null;
44:
45: public static synchronized OperatingSystemMXBean getOperatingSystemMXBean(
46: VMManagement jvm) {
47:
48: if (osMBean == null) {
49: osMBean = new OperatingSystem(jvm);
50: }
51: return (OperatingSystemMXBean) osMBean;
52: }
53: }
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