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  *
  46  * @library /lib /
  47  * @run main/othervm jdk.jfr.api.metadata.annotations.TestFieldAnnotations
  48  */
  49 public class TestFieldAnnotations {
  50 
  51     static class FieldAnnotationEvent extends Event {
  52         @DataAmount
  53         int memoryAmount;
  54 
  55         @Frequency
  56         float frequency;
  57 
  58         @MemoryAddress
  59         long memoryAddress;
  60 
  61         @Percentage
  62         float percentage;
  63 
  64         @TransitionFrom
  65         Thread fromThread;
  66 
  67         @TransitionTo
  68         Thread toThread;
  69 
  70         @Unsigned
  71         long unsigned;
  72 
  73         @Timespan(Timespan.MILLISECONDS)
  74         long timespan;
  75 
  76         @Timestamp(Timestamp.MILLISECONDS_SINCE_EPOCH)
  77         long timestamp;
  78     }
  79 
  80     public static void main(String[] args) throws Exception {
  81         EventType t = EventType.getEventType(FieldAnnotationEvent.class);
  82 
  83         ValueDescriptor field = t.getField("memoryAmount");
  84         Events.hasAnnotation(field, DataAmount.class);
  85 
  86         field = t.getField("frequency");
  87         Events.hasAnnotation(field, Frequency.class);
  88 
  89         field = t.getField("memoryAddress");
  90         Events.hasAnnotation(field, MemoryAddress.class);
  91 
  92         field = t.getField("percentage");
  93         Events.hasAnnotation(field, Percentage.class);
  94 
  95         field = t.getField("fromThread");
  96         Events.hasAnnotation(field, TransitionFrom.class);
  97 
  98         field = t.getField("toThread");
  99         Events.hasAnnotation(field, TransitionTo.class);
 100 
 101         field = t.getField("unsigned");
 102         Events.hasAnnotation(field, Unsigned.class);
 103 
 104         field = t.getField("timespan");
 105         Events.assertAnnotation(field, Timespan.class, Timespan.MILLISECONDS);
 106 
 107         field = t.getField("timestamp");
 108         Events.assertAnnotation(field, Timestamp.class, Timestamp.MILLISECONDS_SINCE_EPOCH);
 109     }
 110 }