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 * @requires vm.hasJFR 45 * @library /test/lib 46 * @run main/othervm jdk.jfr.api.metadata.valuedescriptor.TestValueDescriptorContentType 47 */ 48 public class TestValueDescriptorContentType { 49 50 @MetadataDefinition 51 @ContentType 52 @Retention(RetentionPolicy.RUNTIME) 53 @Target({ ElementType.FIELD, ElementType.TYPE, ElementType.METHOD }) 54 static public @interface Hawaiian { 55 } 56 57 @MetadataDefinition 58 @Retention(RetentionPolicy.RUNTIME) 59 @Target({ ElementType.FIELD, ElementType.TYPE }) 60 static public @interface NotContentType { 61 } 62 63 @SuppressWarnings("unused") 64 private static class AlohaEvent extends Event { 65 @Hawaiian 66 String greeting; 67 68 String missing; 69 70 @NotContentType 71 String otherAnnotation; 72 } 73 74 public static void main(String[] args) throws Throwable { 75 EventType type = EventType.getEventType(AlohaEvent.class); 76 77 // check field annotation on event value 78 ValueDescriptor filter = type.getField("greeting"); 79 Asserts.assertEquals(filter.getContentType(), Hawaiian.class.getName()); 80 81 // check field annotation with missing content type 82 ValueDescriptor missing = type.getField("missing"); 83 Asserts.assertEquals(missing.getContentType(), null); 84 85 // check field annotation with annotation but not content type 86 ValueDescriptor otherAnnotation = type.getField("otherAnnotation"); 87 Asserts.assertEquals(otherAnnotation.getContentType(), null); 88 } 89 90 }