| BaseJMXManageAction.java |
1 /**
2 * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3 *
4 * The contents of this file are subject to the terms of the Liferay Enterprise
5 * Subscription License ("License"). You may not use this file except in
6 * compliance with the License. You can obtain a copy of the License by
7 * contacting Liferay, Inc. See the License for the specific language governing
8 * permissions and limitations under the License, including but not limited to
9 * distribution rights of the Software.
10 *
11 *
12 *
13 */
14
15 package com.liferay.portal.kernel.management.jmx;
16
17 import com.liferay.portal.kernel.bean.PortalBeanLocatorUtil;
18 import com.liferay.portal.kernel.management.ManageAction;
19
20 import java.util.concurrent.atomic.AtomicReference;
21
22 import javax.management.MBeanServer;
23
24 /**
25 * <a href="BaseJMXManageAction.java.html"><b><i>View Source</i></b></a>
26 *
27 * @author Shuyang Zhou
28 */
29 public abstract class BaseJMXManageAction<T> implements ManageAction<T> {
30
31 protected MBeanServer getMBeanServer() {
32 MBeanServer mBeanServer = _mBeanServerReference.get();
33
34 if (mBeanServer == null) {
35 mBeanServer = (MBeanServer)PortalBeanLocatorUtil.locate(
36 "mBeanServer");
37
38 _mBeanServerReference.compareAndSet(null, mBeanServer);
39 }
40
41 return mBeanServer;
42 }
43
44 private static AtomicReference<MBeanServer> _mBeanServerReference =
45 new AtomicReference<MBeanServer>();
46
47 }