1 /*

     2  * Copyright (c) 2018, 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.flightrecorder;

    27 

    28 import static jdk.test.lib.Asserts.assertTrue;

    29 

    30 import java.util.Set;

    31 

    32 import jdk.jfr.Event;

    33 import jdk.jfr.Recording;

    34 import jdk.jfr.SettingControl;

    35 import jdk.jfr.SettingDefinition;

    36 

    37 /*

    38  * @test

    39  * @key jfr

    40  * @library /test/lib

    41  * @run main/othervm jdk.jfr.api.flightrecorder.TestSettingsControl

    42  */

    43 public class TestSettingsControl {

    44     static class MySettingsControl extends SettingControl {

    45 

    46         public static boolean setWasCalled;

    47 

    48         private String value = "default";

    49 

    50         @Override

    51         public String combine(Set<String> values) {

    52            StringBuilder sb = new StringBuilder();

    53             for(String s : values) {

    54                 sb.append(s).append(" ");

    55             }

    56             return sb.toString();

    57         }

    58 

    59         @Override

    60         public void setValue(String value) {

    61             setWasCalled = true;

    62             this.value = value;

    63         }

    64 

    65         @Override

    66         public String getValue() {

    67             return value;

    68         }

    69 

    70     }

    71 

    72     static class MyCustomSettingEvent extends Event {

    73         @SettingDefinition

    74         boolean mySetting(MySettingsControl msc) {

    75             return true;

    76         }

    77     }

    78 

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

    80         Recording r = new Recording();

    81         r.enable(MyCustomSettingEvent.class).with("mySetting", "myvalue");

    82         r.start();

    83         MyCustomSettingEvent e = new MyCustomSettingEvent();

    84         e.commit();

    85         r.stop();

    86         r.close();

    87         assertTrue(MySettingsControl.setWasCalled, "SettingControl.setValue was not called");

    88     }

    89 }

    90 

    91 

    92 

    93