/*

 * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package jdk.jfr.api.metadata.annotations;

import jdk.jfr.Event;

import jdk.jfr.EventType;

import jdk.jfr.Frequency;

import jdk.jfr.MemoryAddress;

import jdk.jfr.DataAmount;

import jdk.jfr.Percentage;

import jdk.jfr.Timespan;

import jdk.jfr.Timestamp;

import jdk.jfr.TransitionFrom;

import jdk.jfr.TransitionTo;

import jdk.jfr.Unsigned;

import jdk.jfr.ValueDescriptor;

import jdk.test.lib.jfr.Events;

 * @test

 * @key jfr

 * @library /test/lib

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

 */

public class TestFieldAnnotations {

    static class FieldAnnotationEvent extends Event {

        @DataAmount

        int memoryAmount;

        @Frequency

        float frequency;

        @MemoryAddress

        long memoryAddress;

        @Percentage

        float percentage;

        @TransitionFrom

        Thread fromThread;

        @TransitionTo

        Thread toThread;

        @Unsigned

        long unsigned;

        @Timespan(Timespan.MILLISECONDS)

        long timespan;

        @Timestamp(Timestamp.MILLISECONDS_SINCE_EPOCH)

        long timestamp;

    }

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

        EventType t = EventType.getEventType(FieldAnnotationEvent.class);

        ValueDescriptor field = t.getField("memoryAmount");

        Events.hasAnnotation(field, DataAmount.class);

        field = t.getField("frequency");

        Events.hasAnnotation(field, Frequency.class);

        field = t.getField("memoryAddress");

        Events.hasAnnotation(field, MemoryAddress.class);

        field = t.getField("percentage");

        Events.hasAnnotation(field, Percentage.class);

        field = t.getField("fromThread");

        Events.hasAnnotation(field, TransitionFrom.class);

        field = t.getField("toThread");

        Events.hasAnnotation(field, TransitionTo.class);

        field = t.getField("unsigned");

        Events.hasAnnotation(field, Unsigned.class);

        field = t.getField("timespan");

        Events.assertAnnotation(field, Timespan.class, Timespan.MILLISECONDS);

        field = t.getField("timestamp");

        Events.assertAnnotation(field, Timestamp.class, Timestamp.MILLISECONDS_SINCE_EPOCH);

    }

}