MonitoringThreadContext


1   /*
2    * The contents of this file are subject to the terms 
3    * of the Common Development and Distribution License 
4    * (the License).  You may not use this file except in
5    * compliance with the License.
6    * 
7    * You can obtain a copy of the license at 
8    * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9    * glassfish/bootstrap/legal/CDDLv1.0.txt.
10   * See the License for the specific language governing 
11   * permissions and limitations under the License.
12   * 
13   * When distributing Covered Code, include this CDDL 
14   * Header Notice in each file and include the License file 
15   * at glassfish/bootstrap/legal/CDDLv1.0.txt.  
16   * If applicable, add the following below the CDDL Header, 
17   * with the fields enclosed by brackets [] replaced by
18   * you own identifying information: 
19   * "Portions Copyrighted [year] [name of copyright owner]"
20   * 
21   * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22   */
23  package com.sun.enterprise.admin.monitor.registry.spi.reconfig;
24  
25  import com.sun.enterprise.admin.event.AdminEvent;
26  
27  /**
28   * Provides access to the thread local monitoring event. This class is 
29   * used during dynamic reconfiguration of monitoring levels.
30   *
31   * @author Nazrul Islam
32   * @since  JDK1.4
33   */
34  public class MonitoringThreadContext {
35  
36      /**
37       * Returns the monitoring event from thread local.
38       *
39       * @return  monitoring event from thread local
40       */
41      public static AdminEvent getEventFromThreadLocal() {
42          return (AdminEvent) _threadLocal.get();
43      }
44  
45      /**
46       * Sets the monitoring event to thread local.
47       *
48       * @param  event  monitoring event
49       */
50      public static void setEventToThreadLocal(AdminEvent event) {
51          _threadLocal.set(event);
52      }
53  
54      /**
55       * Removes the monitoring event from thread local.
56       */
57      public static void removeEventFromThreadLocal() {
58          // only supported in J2SE 5.0
59          //_threadLocal.remove();
60      }
61  
62      // ---- VARIABLE(S)-PRIVATE -----------------------------------
63      private static ThreadLocal   _threadLocal = new ThreadLocal  ();
64  }
65
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