/*

 * Copyright (c) 2019, 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.consumer.streaming;

import java.util.concurrent.CountDownLatch;

import jdk.jfr.Event;

import jdk.jfr.FlightRecorder;

import jdk.jfr.Registered;

import jdk.jfr.consumer.RecordingStream;

/**

 * @test

 * @summary Test that it is possible to register new metadata in a chunk

 * @key jfr

 * @requires vm.hasJFR

 * @library /test/lib

 * @run main/othervm jdk.jfr.api.consumer.streaming.TestEventRegistration

 */

public class TestEventRegistration {

    @Registered(false)

    static class StreamEvent1 extends Event {

    }

    @Registered(false)

    static class StreamEvent2 extends Event {

    }

    public static void main(String... args) throws Exception {

        CountDownLatch s1Latch = new CountDownLatch(1);

        CountDownLatch s2Latch = new CountDownLatch(1);

        try (RecordingStream es = new RecordingStream()) {

            es.onEvent(StreamEvent1.class.getName(), e -> {

                s1Latch.countDown();

            });

            es.onEvent(StreamEvent2.class.getName(), e -> {

                s2Latch.countDown();

            });

            es.startAsync();

            System.out.println("Registering " + StreamEvent1.class.getName());

            FlightRecorder.register(StreamEvent1.class);

            StreamEvent1 s1 = new StreamEvent1();

            s1.commit();

            System.out.println(StreamEvent1.class.getName() + " commited");

            System.out.println("Awaiting latch for " + StreamEvent1.class.getName());

            s1Latch.await();

            System.out.println();

            System.out.println("Registering " + StreamEvent2.class.getName());

            FlightRecorder.register(StreamEvent2.class);

            StreamEvent2 s2 = new StreamEvent2();

            s2.commit();

            System.out.println(StreamEvent2.class.getName() + " commited");

            System.out.println("Awaiting latch for " + StreamEvent2.class.getName());

            s2Latch.await();

        }

    }

}