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.ContentType; 35 import jdk.jfr.Event; 36 import jdk.jfr.EventType; 37 import jdk.jfr.MetadataDefinition; 38 import jdk.jfr.Timespan; 39 import jdk.testlibrary.Asserts; 40 import jdk.testlibrary.jfr.Events; 41 42 /* 43 * @test 44 * @key jfr 45 * @library /lib/testlibrary 46 * @run main/othervm jdk.jfr.api.metadata.annotations.TestContentType 47 */ 48 public class TestContentType { 49 @ContentType 50 @MetadataDefinition 51 @Target({ ElementType.FIELD }) 52 @Retention(RetentionPolicy.RUNTIME) 53 @interface Temperature { 54 } 55 56 static class SunnyDay extends Event { 57 String day; 58 @Temperature 59 float max; 60 @Timespan 61 float hours; 62 } 63 64 public static void main(String[] args) throws Exception { 65 66 EventType t = EventType.getEventType(SunnyDay.class); 67 AnnotationElement aMax = Events.getAnnotation(t.getField("max"), Temperature.class); 68 ContentType cMax = aMax.getAnnotation(ContentType.class); 69 if (cMax == null) { 70 throw new Exception("Expected Temperature annotation for field 'max' to have meta annotation ContentType"); 71 } 72 AnnotationElement aHours = Events.getAnnotation(t.getField("hours"), Timespan.class); 73 ContentType cHours = aHours.getAnnotation(ContentType.class); 74 Asserts.assertTrue(cHours != null, "Expected Timespan annotation for field 'hours' to have meta annotation ContentType"); 75 } 76 }