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 }