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 package jdk.jfr.api.consumer.recordingstream;

    26 

    27 import java.time.Duration;

    28 import java.time.Instant;

    29 import java.util.concurrent.atomic.AtomicBoolean;

    30 

    31 import jdk.jfr.Event;

    32 import jdk.jfr.Name;

    33 import jdk.jfr.Recording;

    34 import jdk.jfr.StackTrace;

    35 import jdk.jfr.consumer.EventStream;

    36 

    37 /**

    38  * @test

    39  * @summary Tests RecordingStrream::setStartTime

    40  * @key jfr

    41  * @requires vm.hasJFR

    42  * @library /test/lib

    43  * @run main/othervm jdk.jfr.api.consumer.recordingstream.TestSetStartTime

    44  */

    45 public final class TestSetStartTime {

    46 

    47     @Name("Mark")

    48     @StackTrace(false)

    49     public final static class Mark extends Event {

    50         public boolean before;

    51     }

    52 

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

    54         try (Recording r = new Recording()) {

    55             r.setFlushInterval(Duration.ofSeconds(1));

    56             r.start();

    57             Mark event1 = new Mark();

    58             event1.before = true;

    59             event1.commit();

    60 

    61             Instant now = Instant.now();

    62             System.out.println("Start time was " + now);

    63             Mark event2 = new Mark();

    64             event2.before = false;

    65             event2.commit();

    66             AtomicBoolean error = new AtomicBoolean();

    67             try (EventStream d = EventStream.openRepository()) {

    68                 d.setStartTime(now);

    69                 d.onEvent(e -> {

    70                     System.out.println(e);

    71                     boolean early = e.getBoolean("before");

    72                     if (early) {

    73                         error.set(true);

    74                     } else {

    75                         // OK, as expected

    76                         d.close();

    77                     }

    78                 });

    79                 d.start();

    80                 if (error.get()) {

    81                     throw new Exception("Found unexpected event!");

    82                 }

    83             }

    84         }

    85     }

    86 }