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 37 import org.junit.Test; 38 39 import org.openjdk.jmc.rjmx.IConnectionHandle; 40 import org.openjdk.jmc.rjmx.IServerHandle; 41 import org.openjdk.jmc.rjmx.subscription.IMRIValueListener; 42 import org.openjdk.jmc.rjmx.subscription.ISubscriptionService; 43 import org.openjdk.jmc.rjmx.subscription.MRI; 44 import org.openjdk.jmc.rjmx.subscription.MRIValueEvent; 45 import org.openjdk.jmc.rjmx.subscription.MRI.Type; 46 import org.openjdk.jmc.rjmx.test.LocalRJMXTestToolkit; 47 import org.openjdk.jmc.rjmx.test.RjmxTestCase; 48 import org.openjdk.jmc.rjmx.test.testutil.TestToolkit; 49 50 public class MultipleAttributeSubscriptionTest extends RjmxTestCase implements IMRIValueListener { 51 52 /** 53 * Tests acquiring several subscriptions. Ensures that subscriptions are properly created and 54 * that events are properly received. 55 */ 56 @Test 57 public void testMultipleSubscriptions() throws Exception { 58 IConnectionHandle handle = IServerHandle.create(LocalRJMXTestToolkit.createDefaultDescriptor()).connect("Test"); //$NON-NLS-1$ 59 ISubscriptionService service = handle.getServiceOrThrow(ISubscriptionService.class); 60 61 MRI cpuAttributeDescriptor = new MRI(Type.ATTRIBUTE, "java.lang:type=OperatingSystem", "SystemCpuLoad"); //$NON-NLS-1$ //$NON-NLS-2$ 62 service.addMRIValueListener(cpuAttributeDescriptor, this); 63 MRI loadAttributeDescriptor = new MRI(Type.ATTRIBUTE, "java.lang:type=OperatingSystem", "ProcessCpuLoad"); //$NON-NLS-1$ //$NON-NLS-2$ 64 service.addMRIValueListener(loadAttributeDescriptor, this); 65 66 synchronized (this) { 67 for (int i = 0; i < 8; i++) { 68 wait(8000); 69 } 70 } 71 72 assertNotNull(service.getLastMRIValueEvent(cpuAttributeDescriptor)); 73 assertNotNull(service.getLastMRIValueEvent(loadAttributeDescriptor)); 74 handle.close(); 75 } 76 77 @Override 78 public void valueChanged(MRIValueEvent event) { 79 synchronized (this) { 80 TestToolkit.println(event); 81 notify(); 82 } 83 } 84 }