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 }