1 /* 2 * Copyright (c) 2015, 2019, 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.metadata.annotations; 27 28 import java.lang.annotation.ElementType; 29 import java.lang.annotation.Retention; 30 import java.lang.annotation.RetentionPolicy; 31 import java.lang.annotation.Target; 32 33 import jdk.jfr.AnnotationElement; 34 import jdk.jfr.Event; 35 import jdk.jfr.EventType; 36 import jdk.jfr.Label; 37 import jdk.jfr.MetadataDefinition; 38 import jdk.jfr.Relational; 39 import jdk.jfr.ValueDescriptor; 40 import jdk.testlibrary.Asserts; 41 import jdk.testlibrary.jfr.Events; 42 43 /* 44 * @test 45 * @key jfr 46 * @library /lib/testlibrary 47 * @run main/othervm jdk.jfr.api.metadata.annotations.TestRelational 48 */ 49 public class TestRelational { 50 51 @MetadataDefinition 52 @Label("User Id") 53 @Relational 54 @Target({ ElementType.FIELD }) 55 @Retention(RetentionPolicy.RUNTIME) 56 @interface UserId { 57 } 58 59 static class UserEvent extends Event { 60 @UserId 61 String id; 62 } 63 64 public static void main(String[] args) throws Exception { 65 EventType t = EventType.getEventType(UserEvent.class); 66 ValueDescriptor field = t.getField("id"); 67 AnnotationElement userId = Events.getAnnotation(field, UserId.class); 68 Relational r = userId.getAnnotation(Relational.class); 69 Asserts.assertTrue(r != null, "Expected relational annotation to have annotation @Relational"); 70 } 71 }