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.flightrecorder; 27 28 import jdk.jfr.FlightRecorder; 29 import jdk.jfr.Recording; 30 import jdk.jfr.RecordingState; 31 32 /* 33 * @test 34 * @key jfr 35 * @library /test/lib /test/jdk 36 * @run main/othervm jdk.jfr.api.flightrecorder.TestListener 37 */ 38 public class TestListener { 39 40 public static void main(String[] args) throws Throwable { 41 MyListener listener1 = new MyListener(); 42 MyListener listener2 = new MyListener(); 43 FlightRecorder.addListener(listener1); 44 FlightRecorder.addListener(listener2); 45 46 Recording r1 = new Recording(); 47 listener1.verifyState(0, RecordingState.NEW); 48 listener2.verifyState(0, RecordingState.NEW); 49 50 r1.start(); 51 listener1.verifyState(1, RecordingState.RUNNING); 52 listener2.verifyState(1, RecordingState.RUNNING); 53 54 FlightRecorder.removeListener(listener1); // listener1 should not get more callbacks. 55 r1.stop(); 56 listener1.verifyState(1, RecordingState.RUNNING); 57 listener2.verifyState(2, RecordingState.STOPPED); 58 59 r1.close(); 60 listener1.verifyState(1, RecordingState.RUNNING); 61 listener2.verifyState(3, RecordingState.CLOSED); 62 FlightRecorder.removeListener(listener2); 63 } 64 65 }