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 jdk.jfr.Event;
  29 import jdk.jfr.EventType;
  30 import jdk.jfr.Frequency;
  31 import jdk.jfr.MemoryAddress;
  32 import jdk.jfr.DataAmount;
  33 import jdk.jfr.Percentage;
  34 import jdk.jfr.Timespan;
  35 import jdk.jfr.Timestamp;
  36 import jdk.jfr.TransitionFrom;
  37 import jdk.jfr.TransitionTo;
  38 import jdk.jfr.Unsigned;
  39 import jdk.jfr.ValueDescriptor;
  40 import jdk.test.lib.jfr.Events;
  41 
  42 /*
  43  * @test
  44  * @key jfr
  45  * @library /test/lib
  46  * @run main/othervm jdk.jfr.api.metadata.annotations.TestFieldAnnotations
  47  */
  48 public class TestFieldAnnotations {
  49 
  50     static class FieldAnnotationEvent extends Event {
  51         @DataAmount
  52         int memoryAmount;
  53 
  54         @Frequency
  55         float frequency;
  56 
  57         @MemoryAddress
  58         long memoryAddress;
  59 
  60         @Percentage
  61         float percentage;
  62 
  63         @TransitionFrom
  64         Thread fromThread;
  65 
  66         @TransitionTo
  67         Thread toThread;
  68 
  69         @Unsigned
  70         long unsigned;
  71 
  72         @Timespan(Timespan.MILLISECONDS)
  73         long timespan;
  74 
  75         @Timestamp(Timestamp.MILLISECONDS_SINCE_EPOCH)
  76         long timestamp;
  77     }
  78 
  79     public static void main(String[] args) throws Exception {
  80         EventType t = EventType.getEventType(FieldAnnotationEvent.class);
  81 
  82         ValueDescriptor field = t.getField("memoryAmount");
  83         Events.hasAnnotation(field, DataAmount.class);
  84 
  85         field = t.getField("frequency");
  86         Events.hasAnnotation(field, Frequency.class);
  87 
  88         field = t.getField("memoryAddress");
  89         Events.hasAnnotation(field, MemoryAddress.class);
  90 
  91         field = t.getField("percentage");
  92         Events.hasAnnotation(field, Percentage.class);
  93 
  94         field = t.getField("fromThread");
  95         Events.hasAnnotation(field, TransitionFrom.class);
  96 
  97         field = t.getField("toThread");
  98         Events.hasAnnotation(field, TransitionTo.class);
  99 
 100         field = t.getField("unsigned");
 101         Events.hasAnnotation(field, Unsigned.class);
 102 
 103         field = t.getField("timespan");
 104         Events.assertAnnotation(field, Timespan.class, Timespan.MILLISECONDS);
 105 
 106         field = t.getField("timestamp");
 107         Events.assertAnnotation(field, Timestamp.class, Timestamp.MILLISECONDS_SINCE_EPOCH);
 108     }
 109 }