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.HashMap;

    29 import java.util.Map;

    30 import java.util.concurrent.CountDownLatch;

    31 

    32 import jdk.jfr.Enabled;

    33 import jdk.jfr.Event;

    34 import jdk.jfr.Name;

    35 import jdk.jfr.consumer.RecordingStream;

    36 

    37 /**

    38  * @test

    39  * @summary Tests RecordingStream::setSettings

    40  * @key jfr

    41  * @requires vm.hasJFR

    42  * @library /test/lib

    43  * @run main/othervm -Xlog:jfr+system+parser jdk.jfr.api.consumer.recordingstream.TestSetSettings

    44  */

    45 public final class TestSetSettings {

    46 

    47     @Name("LateBloomer")

    48     @Enabled(false)

    49     private final static class LateBloomer extends Event {

    50     }

    51 

    52     private static CountDownLatch lateBloomer = new CountDownLatch(1);

    53 

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

    55         try (RecordingStream r = new RecordingStream()) {

    56             r.startAsync();

    57             Map<String, String> settings = new HashMap<String, String>();

    58             settings.put("LateBloomer#enabled", "true");

    59             r.setSettings(settings);

    60             r.onEvent("LateBloomer", e -> {

    61                 lateBloomer.countDown();

    62             });

    63             LateBloomer event = new LateBloomer();

    64             event.commit();

    65             lateBloomer.await();

    66         }

    67     }

    68 }