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.metadata.valuedescriptor; 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.ContentType; 34 import jdk.jfr.Event; 35 import jdk.jfr.EventType; 36 import jdk.jfr.MetadataDefinition; 37 import jdk.jfr.ValueDescriptor; 38 import jdk.test.lib.Asserts; 39 40 /* 41 * @test 42 * @summary Test ValueDescriptor.getContentType() 43 * @key jfr 44 * @library /test/lib 45 * @run main/othervm jdk.jfr.api.metadata.valuedescriptor.TestValueDescriptorContentType 46 */ 47 public class TestValueDescriptorContentType { 48 49 @MetadataDefinition 50 @ContentType 51 @Retention(RetentionPolicy.RUNTIME) 52 @Target({ ElementType.FIELD, ElementType.TYPE, ElementType.METHOD }) 53 static public @interface Hawaiian { 54 } 55 56 @MetadataDefinition 57 @Retention(RetentionPolicy.RUNTIME) 58 @Target({ ElementType.FIELD, ElementType.TYPE }) 59 static public @interface NotContentType { 60 } 61 62 @SuppressWarnings("unused") 63 private static class AlohaEvent extends Event { 64 @Hawaiian 65 String greeting; 66 67 String missing; 68 69 @NotContentType 70 String otherAnnotation; 71 } 72 73 public static void main(String[] args) throws Throwable { 74 EventType type = EventType.getEventType(AlohaEvent.class); 75 76 // check field annotation on event value 77 ValueDescriptor filter = type.getField("greeting"); 78 Asserts.assertEquals(filter.getContentType(), Hawaiian.class.getName()); 79 80 // check field annotation with missing content type 81 ValueDescriptor missing = type.getField("missing"); 82 Asserts.assertEquals(missing.getContentType(), null); 83 84 // check field annotation with annotation but not content type 85 ValueDescriptor otherAnnotation = type.getField("otherAnnotation"); 86 Asserts.assertEquals(otherAnnotation.getContentType(), null); 87 } 88 89 }