1 /*

     2  * Copyright (c) 2015, 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.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.Name;

    38 import jdk.jfr.SettingDefinition;

    39 import jdk.jfr.SettingDescriptor;

    40 import jdk.jfr.ValueDescriptor;

    41 import jdk.test.lib.Asserts;

    42 import jdk.test.lib.jfr.Events;

    43 import jdk.test.lib.jfr.SimpleSetting;

    44 

    45 /*

    46  * @test

    47  * @key jfr

    48  * @library /test/lib

    49  * @run main/othervm jdk.jfr.api.metadata.annotations.TestName

    50  */

    51 public class TestName {

    52 

    53     @MetadataDefinition

    54     @Name("com.oracle.TestAnnotation")

    55     @Target({ ElementType.TYPE })

    56     @Retention(RetentionPolicy.RUNTIME)

    57     @interface NamedAnnotation {

    58     }

    59 

    60     @NamedAnnotation

    61     @Name("com.oracle.TestEvent")

    62     static class NamedEvent extends Event {

    63         @Name("testField")

    64         boolean namedField;

    65 

    66         @SettingDefinition

    67         @Name("name")

    68         boolean dummy(SimpleSetting ds) {

    69             return true;

    70         }

    71     }

    72 

    73     public static void main(String[] args) throws Exception {

    74         EventType t = EventType.getEventType(NamedEvent.class);

    75         ValueDescriptor testField = t.getField("testField");

    76         SettingDescriptor setting = getSetting(t, "name");

    77         AnnotationElement a = Events.getAnnotationByName(t, "com.oracle.TestAnnotation");

    78 

    79         // Check that names are overridden

    80         Asserts.assertNotNull(testField, "Can't find expected field testField");

    81         Asserts.assertEquals(t.getName(), "com.oracle.TestEvent", "Incorrect name for event");

    82         Asserts.assertEquals(a.getTypeName(), "com.oracle.TestAnnotation", "Incorrect name for annotation");

    83         Asserts.assertEquals(a.getTypeName(), "com.oracle.TestAnnotation", "Incorrect name for annotation");

    84         Asserts.assertEquals(setting.getName(), "name", "Incorrect name for setting");

    85 

    86         // Check that @Name is persisted

    87         assertAnnotation(t.getAnnotation(Name.class), "@Name should be persisted on event");

    88         assertAnnotation(testField.getAnnotation(Name.class), "@Name should be persisted on field");

    89         assertAnnotation(a.getAnnotation(Name.class), "@Name should be persisted on annotations");

    90         assertAnnotation(setting.getAnnotation(Name.class), "@Name should be persisted on setting");

    91     }

    92 

    93     // Can't use assert since the use toString on the object which doesn't work well JFR proxies.

    94     private static void assertAnnotation(Object annotation,String message) throws Exception {

    95        if (annotation == null) {

    96            throw new Exception(message);

    97        }

    98     }

    99 

   100     private static SettingDescriptor getSetting(EventType t, String name) {

   101         for (SettingDescriptor v : t.getSettingDescriptors()) {

   102             if (v.getName().equals(name)) {

   103                 return v;

   104             }

   105         }

   106         Asserts.fail("Could not find setting with name " + name);

   107         return null;

   108     }

   109 }