1 /*

     2  * Copyright (c) 2019, 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.consumer.recordingstream;

    27 

    28 import java.util.concurrent.CountDownLatch;

    29 

    30 import jdk.jfr.Event;

    31 import jdk.jfr.FlightRecorder;

    32 import jdk.jfr.consumer.RecordingStream;

    33 

    34 /**

    35  * @test

    36  * @summary Tests that a RecordingStream is closed if the underlying Recording

    37  *          is stopped.

    38  * @key jfr

    39  * @requires vm.hasJFR

    40  * @library /test/lib

    41  * @run main/othervm jdk.jfr.api.consumer.recordingstream.TestStoppedRecording

    42  */

    43 public class TestStoppedRecording {

    44 

    45     private static final class StopEvent extends Event {

    46     }

    47 

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

    49         CountDownLatch latch = new CountDownLatch(1);

    50         try (RecordingStream rs = new RecordingStream()) {

    51             rs.onEvent(e -> {

    52                 FlightRecorder.getFlightRecorder().getRecordings().get(0).stop();

    53             });

    54             rs.onClose(() -> {

    55                 latch.countDown();

    56             });

    57             rs.startAsync();

    58             StopEvent stop = new StopEvent();

    59             stop.commit();

    60             latch.await();

    61         }

    62     }

    63 }