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.eventtype;
  27 
  28 import java.util.List;
  29 import java.util.Objects;
  30 
  31 import jdk.jfr.AnnotationElement;
  32 import jdk.jfr.Description;
  33 import jdk.jfr.Enabled;
  34 import jdk.jfr.Event;
  35 import jdk.jfr.EventType;
  36 import jdk.jfr.Label;
  37 import jdk.jfr.Period;
  38 import jdk.test.lib.Asserts;
  39 
  40 /**
  41  * @test
  42  * @summary Test getAnnotations()
  43  * @key jfr
  44  *
  45  * @library /lib /
  46  * @run main/othervm jdk.jfr.api.metadata.eventtype.TestGetAnnotations
  47  */
  48 public class TestGetAnnotations {
  49 
  50     private final static String MY_LABEL = "myLabel";
  51     private final static String MY_DESCRIPTION = "myDesc";
  52 
  53     public static void main(String[] args) throws Throwable {
  54         EventType type = EventType.getEventType(MyEvent.class);
  55         List<AnnotationElement> annos = type.getAnnotationElements();
  56         Asserts.assertEquals(annos.size(), 2, "Wrong number of annotations");
  57         assertAnnotation(annos, "jdk.jfr.Label", MY_LABEL);
  58         assertAnnotation(annos, "jdk.jfr.Description", MY_DESCRIPTION);
  59     }
  60 
  61     private static void assertAnnotation(List<AnnotationElement> annos, String name, Object expectedValue) {
  62         for (AnnotationElement a : annos) {
  63             if (a.getTypeName().equals(name)) {
  64                 Object value = a.getValue("value");
  65                 Asserts.assertTrue(Objects.deepEquals(value, expectedValue), "Found annotation " + name + " but value was "+ value +" but expected " + expectedValue);
  66             }
  67         }
  68     }
  69 
  70     @Label(MY_LABEL)
  71     @Description(MY_DESCRIPTION)
  72     @Enabled(false) // not sticky annotation (with @Metadata)
  73     @Period("1 m")  // not sticky annotation (with @Metadata)
  74     private static class MyEvent extends Event {
  75     }
  76 }