1 /* 2 * Copyright (c) 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 26 package jdk.jfr.api.event; 27 28 import java.time.Instant; 29 import java.util.Iterator; 30 31 import jdk.jfr.Event; 32 import jdk.jfr.Recording; 33 import jdk.jfr.consumer.RecordedEvent; 34 import jdk.test.lib.Asserts; 35 import jdk.test.lib.jfr.Events; 36 37 /** 38 * @test 39 * @summary Use custom event that reuse method names begin, end and commit. 40 * @key jfr 41 * @requires vm.hasJFR 42 * @library /test/lib 43 * @run main/othervm jdk.jfr.api.event.TestOwnCommit 44 */ 45 46 public class TestOwnCommit { 47 48 public static void main(String[] args) throws Throwable { 49 Recording r = new Recording(); 50 r.enable(MyEvent.class); 51 52 r.start(); 53 54 MyEvent event = new MyEvent(); 55 event.begin(); 56 event.begin = 10; 57 event.duration = Instant.now(); 58 MyEvent.startTime = 20; 59 event.shouldCommit = "shouldCommit"; 60 MyEvent.set = 30; 61 event.end(); 62 event.commit(); 63 64 // Verify that our methods have not been removed by transformation. 65 int id = 0; 66 event.begin(++id); 67 Asserts.assertEquals(id, staticTestValue, "EventWithBegin failed to set value"); 68 event.end(++id); 69 Asserts.assertEquals(id, staticTestValue, "EventWithEnd failed to set value"); 70 event.commit(++id); 71 Asserts.assertEquals(id, staticTestValue, "EventWithCommit failed to set value"); 72 event.shouldCommit(++id); 73 Asserts.assertEquals(id, staticTestValue, "EventWithShouldCommit failed to set value"); 74 event.set(++id); 75 Asserts.assertEquals(id, staticTestValue, "EventWithSet failed to set value"); 76 77 r.stop(); 78 79 Iterator<RecordedEvent> it = Events.fromRecording(r).iterator(); 80 Asserts.assertTrue(it.hasNext(), "No events"); 81 RecordedEvent recordedEvent = it.next(); 82 Asserts.assertTrue(Events.isEventType(recordedEvent, MyEvent.class.getName())); 83 Events.assertField(recordedEvent, "begin").equal(10L); 84 Events.assertField(recordedEvent, "shouldCommit").equal("shouldCommit"); 85 Events.assertField(recordedEvent, "startTime"); 86 Events.assertField(recordedEvent, "duration"); 87 Asserts.assertNull(recordedEvent.getEventType().getField("set")); // static not supported 88 Asserts.assertFalse(it.hasNext(), "More than 1 event"); 89 90 r.close(); 91 } 92 93 private static int staticTestValue; 94 95 @SuppressWarnings("unused") 96 static class MyEvent extends Event { 97 public long begin; 98 private Instant duration; 99 private static int startTime; 100 protected String shouldCommit; 101 public static int set; 102 103 public void begin(int testValue) { 104 staticTestValue = testValue; 105 } 106 107 public void end(int testValue) { 108 staticTestValue = testValue; 109 } 110 111 public void commit(int testValue) { 112 staticTestValue = testValue; 113 } 114 115 public void shouldCommit(int testValue) { 116 staticTestValue = testValue; 117 } 118 119 public void set(int testValue) { 120 staticTestValue = testValue; 121 } 122 } 123 124 }