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.MetadataDefinition; 37 import jdk.jfr.ValueDescriptor; 38 import jdk.testlibrary.Asserts; 39 import jdk.testlibrary.jfr.Events; 40 41 /* 42 * @test 43 * @key jfr 44 * @library /lib/testlibrary 45 * @run main/othervm jdk.jfr.api.metadata.annotations.TestMetadata 46 */ 47 public class TestMetadata { 48 49 @Target({ ElementType.ANNOTATION_TYPE, ElementType.TYPE, ElementType.FIELD }) 50 @Retention(RetentionPolicy.RUNTIME) 51 @interface OtherAnnotation { 52 } 53 54 @MetadataDefinition 55 @SecondJFRAnnotation 56 @Target({ ElementType.ANNOTATION_TYPE, ElementType.TYPE, ElementType.FIELD }) 57 @Retention(RetentionPolicy.RUNTIME) 58 @interface FirstJFRAnnotation { 59 } 60 61 @MetadataDefinition 62 @Target({ ElementType.ANNOTATION_TYPE, ElementType.TYPE, ElementType.FIELD }) 63 @Retention(RetentionPolicy.RUNTIME) 64 @interface SecondJFRAnnotation { 65 } 66 67 @FirstJFRAnnotation 68 @OtherAnnotation 69 static class MetadataEvent extends Event { 70 @OtherAnnotation 71 @FirstJFRAnnotation 72 String field; 73 } 74 75 public static void main(String[] args) throws Exception { 76 EventType t = EventType.getEventType(MetadataEvent.class); 77 ValueDescriptor field = t.getField("field"); 78 Events.hasAnnotation(field, FirstJFRAnnotation.class); 79 Asserts.assertTrue(field.getAnnotation(OtherAnnotation.class) == null, "Only annotation annotated with @Metadata should exist"); 80 81 AnnotationElement a = Events.getAnnotationByName(t, FirstJFRAnnotation.class.getName()); 82 Asserts.assertTrue(a.getAnnotation(SecondJFRAnnotation.class) != null , "Annotations with @Metadata should be followed for indirect annotations"); 83 } 84 }