1 /*
   2  * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
   3  * 
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * The contents of this file are subject to the terms of either the Universal Permissive License
   7  * v 1.0 as shown at http://oss.oracle.com/licenses/upl
   8  *
   9  * or the following license:
  10  *
  11  * Redistribution and use in source and binary forms, with or without modification, are permitted
  12  * provided that the following conditions are met:
  13  * 
  14  * 1. Redistributions of source code must retain the above copyright notice, this list of conditions
  15  * and the following disclaimer.
  16  * 
  17  * 2. Redistributions in binary form must reproduce the above copyright notice, this list of
  18  * conditions and the following disclaimer in the documentation and/or other materials provided with
  19  * the distribution.
  20  * 
  21  * 3. Neither the name of the copyright holder nor the names of its contributors may be used to
  22  * endorse or promote products derived from this software without specific prior written permission.
  23  * 
  24  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
  25  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
  26  * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
  27  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  29  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  30  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
  31  * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33 package org.openjdk.jmc.rjmx.test.subscription;
  34 
  35 import static org.junit.Assert.assertNotNull;
  36 import static org.junit.Assert.fail;
  37 
  38 import org.junit.Test;
  39 
  40 import org.openjdk.jmc.rjmx.subscription.IMRISubscription;
  41 import org.openjdk.jmc.rjmx.subscription.IMRIValueListener;
  42 import org.openjdk.jmc.rjmx.subscription.MRI;
  43 import org.openjdk.jmc.rjmx.subscription.MRIValueEvent;
  44 import org.openjdk.jmc.rjmx.subscription.MRI.Type;
  45 import org.openjdk.jmc.rjmx.test.RjmxTestCase;
  46 import org.openjdk.jmc.rjmx.test.testutil.TestToolkit;
  47 
  48 /**
  49  * Tests the automatic (synthetic) subscriptions on composite data.
  50  */
  51 public class CompositeDataSubscriptionTest extends RjmxTestCase implements IMRIValueListener {
  52         private final static int SLEEP_TIME = 10000;
  53 
  54         /**
  55          * @see org.openjdk.jmc.rjmx.subscription.IMRIValueListener#valueChanged(org.openjdk.jmc.rjmx.subscription.MRIValueEvent)
  56          */
  57         @Override
  58         public void valueChanged(MRIValueEvent event) {
  59                 TestToolkit.println(event);
  60                 synchronized (this) {
  61                         notifyAll();
  62                 }
  63         }
  64 
  65         @Test
  66         public void testCompositeDataSubscription() {
  67                 try {
  68                         // Starting up a subscription on a one shot attribute.
  69                         MRI attributeDescriptor = new MRI(Type.ATTRIBUTE, "java.lang:type=Memory", //$NON-NLS-1$
  70                                         "HeapMemoryUsage/used"); //$NON-NLS-1$
  71                         getAttributeSubscriptionService().addMRIValueListener(attributeDescriptor, this);
  72                         IMRISubscription subscription = getAttributeSubscriptionService().getMRISubscription(attributeDescriptor);
  73 
  74                         assertNotNull(subscription);
  75 
  76                         synchronized (this) {
  77                                 this.wait(SLEEP_TIME);
  78                         }
  79                         assertNotNull(getAttributeSubscriptionService().getLastMRIValueEvent(attributeDescriptor));
  80                         getAttributeSubscriptionService().removeMRIValueListener(this);
  81                 } catch (Exception e) {
  82                         e.printStackTrace();
  83                         fail(e.getMessage());
  84                 }
  85         }
  86 }