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 static jdk.test.lib.Asserts.assertTrue; 29 30 import java.util.Set; 31 32 import jdk.jfr.Event; 33 import jdk.jfr.Recording; 34 import jdk.jfr.SettingControl; 35 import jdk.jfr.SettingDefinition; 36 37 /** 38 * @test 39 * @key jfr 40 * @requires vm.hasJFR 41 * @library /test/lib 42 * @run main/othervm jdk.jfr.api.flightrecorder.TestSettingsControl 43 */ 44 public class TestSettingsControl { 45 static class MySettingsControl extends SettingControl { 46 47 public static boolean setWasCalled; 48 49 private String value = "default"; 50 51 @Override 52 public String combine(Set<String> values) { 53 StringBuilder sb = new StringBuilder(); 54 for(String s : values) { 55 sb.append(s).append(" "); 56 } 57 return sb.toString(); 58 } 59 60 @Override 61 public void setValue(String value) { 62 setWasCalled = true; 63 this.value = value; 64 } 65 66 @Override 67 public String getValue() { 68 return value; 69 } 70 71 } 72 73 static class MyCustomSettingEvent extends Event { 74 @SettingDefinition 75 boolean mySetting(MySettingsControl msc) { 76 return true; 77 } 78 } 79 80 public static void main(String[] args) throws Throwable { 81 Recording r = new Recording(); 82 r.enable(MyCustomSettingEvent.class).with("mySetting", "myvalue"); 83 r.start(); 84 MyCustomSettingEvent e = new MyCustomSettingEvent(); 85 e.commit(); 86 r.stop(); 87 r.close(); 88 assertTrue(MySettingsControl.setWasCalled, "SettingControl.setValue was not called"); 89 } 90 } 91 92 93 94