| /* |
| * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package jdk.jfr.api.metadata.annotations; |
| |
| import java.lang.annotation.ElementType; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.lang.annotation.Target; |
| |
| import jdk.jfr.AnnotationElement; |
| import jdk.jfr.Event; |
| import jdk.jfr.EventType; |
| import jdk.jfr.MetadataDefinition; |
| import jdk.jfr.ValueDescriptor; |
| import jdk.test.lib.Asserts; |
| import jdk.test.lib.jfr.Events; |
| |
| /* |
| * @test |
| * @key jfr |
| * @library /test/lib |
| * @run main/othervm jdk.jfr.api.metadata.annotations.TestMetadata |
| */ |
| public class TestMetadata { |
| |
| @Target({ ElementType.ANNOTATION_TYPE, ElementType.TYPE, ElementType.FIELD }) |
| @Retention(RetentionPolicy.RUNTIME) |
| @interface OtherAnnotation { |
| } |
| |
| @MetadataDefinition |
| @SecondJFRAnnotation |
| @Target({ ElementType.ANNOTATION_TYPE, ElementType.TYPE, ElementType.FIELD }) |
| @Retention(RetentionPolicy.RUNTIME) |
| @interface FirstJFRAnnotation { |
| } |
| |
| @MetadataDefinition |
| @Target({ ElementType.ANNOTATION_TYPE, ElementType.TYPE, ElementType.FIELD }) |
| @Retention(RetentionPolicy.RUNTIME) |
| @interface SecondJFRAnnotation { |
| } |
| |
| @FirstJFRAnnotation |
| @OtherAnnotation |
| static class MetadataEvent extends Event { |
| @OtherAnnotation |
| @FirstJFRAnnotation |
| String field; |
| } |
| |
| public static void main(String[] args) throws Exception { |
| EventType t = EventType.getEventType(MetadataEvent.class); |
| ValueDescriptor field = t.getField("field"); |
| Events.hasAnnotation(field, FirstJFRAnnotation.class); |
| Asserts.assertTrue(field.getAnnotation(OtherAnnotation.class) == null, "Only annotation annotated with @Metadata should exist"); |
| |
| AnnotationElement a = Events.getAnnotationByName(t, FirstJFRAnnotation.class.getName()); |
| Asserts.assertTrue(a.getAnnotation(SecondJFRAnnotation.class) != null , "Annotations with @Metadata should be followed for indirect annotations"); |
| } |
| } |