1 /*
   2  * Copyright (c) 2016, 2018, 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 package jdk.jfr.jmx;
  26 
  27 import java.lang.management.ManagementFactory;
  28 import java.util.concurrent.CountDownLatch;
  29 
  30 import javax.management.Notification;
  31 import javax.management.NotificationListener;
  32 import javax.management.ObjectName;
  33 
  34 import jdk.management.jfr.FlightRecorderMXBean;
  35 
  36 /**
  37  * @test
  38  * @key jfr
  39  * @requires vm.hasJFR
  40  * @library /test/lib /test/jdk
  41  * @run main/othervm jdk.jfr.jmx.TestNotificationListener
  42  */
  43 public class TestNotificationListener {
  44 
  45     private final static CountDownLatch latch = new CountDownLatch(1);
  46 
  47     private final static NotificationListener listener = new NotificationListener() {
  48         public void handleNotification(Notification notification, Object handback) {
  49             System.out.println("Got notification: " + notification);
  50             latch.countDown();
  51         }
  52     };
  53 
  54     public static void main(String[] args) throws Throwable {
  55         ObjectName objectName = new ObjectName(FlightRecorderMXBean.MXBEAN_NAME);
  56         ManagementFactory.getPlatformMBeanServer().addNotificationListener(objectName, listener, null, null);
  57         FlightRecorderMXBean bean = ManagementFactory.getPlatformMXBean(FlightRecorderMXBean.class);
  58 
  59         long recId = bean.newRecording();
  60         bean.startRecording(recId);
  61 
  62         latch.await();
  63         System.out.println("Completed successfully");
  64     }
  65 }