/*
* Copyright ( c ) 2018 , 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 .
*
* 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;
import java.util.List;
import jdk.jfr.Description;
import jdk.jfr.Event;
import jdk.jfr.Recording;
import jdk.jfr.ValueDescriptor;
import jdk.jfr.consumer.RecordedClass;
import jdk.jfr.consumer.RecordedClassLoader;
import jdk.jfr.consumer.RecordedEvent;
import jdk.test.lib.Asserts;
import jdk.test.lib.jfr.Events;
/**
* @ test
* @ summary Verifies the methods of the RecordedEvent
* @ key jfr
* @ requires vm . hasJFR
* @ library / test / lib
* @ run main / othervm jdk . jfr . api . consumer . TestRecordedEvent
*/
public class TestRecordedEvent {
static class MyClass {
}
static class TestEvent extends Event {
@Description("MyField" )
Class <?> clzField = String.class ;
int intField;
String stringField = "myString" ;
Class <?> myClass = MyClass.class ;
}
public static void main(String[] args) throws Throwable {
try (Recording r = new Recording()) {
r.start();
TestEvent t = new TestEvent();
t.commit();
r.stop();
List<RecordedEvent> events = Events.fromRecording(r);
Events.hasEvents(events);
Asserts.assertEquals(events.size(), 1 );
RecordedEvent event = events.get(0 );
List<ValueDescriptor> descriptors = event.getFields();
System.out.println("Descriptors" );
for (ValueDescriptor descriptor : descriptors) {
System.out.println(descriptor.getName());
System.out.println(descriptor.getTypeName());
}
System.out.println("Descriptors end" );
Object recordedClass = event.getValue("clzField" );
Asserts.assertTrue(recordedClass instanceof RecordedClass, "Expected Recorded Class got " + recordedClass);
Object recordedInt = event.getValue("intField" );
Asserts.assertTrue(recordedInt instanceof Integer);
Object recordedString = event.getValue("stringField" );
System.out.println("recordedString class: " + recordedString.getClass());
Asserts.assertTrue(recordedString instanceof String);
Object myClass = event.getValue("myClass" );
Asserts.assertTrue(myClass instanceof RecordedClass, "Expected Recorded Class got " + recordedClass);
RecordedClass myRecClass = (RecordedClass) myClass;
Asserts.assertEquals(MyClass.class .getName(), myRecClass.getName(), "Got " + myRecClass.getName());
Object recordedClassLoader = myRecClass.getValue("classLoader" );
Asserts.assertTrue(recordedClassLoader instanceof RecordedClassLoader, "Expected Recorded ClassLoader got " + recordedClassLoader);
RecordedClassLoader myRecClassLoader = (RecordedClassLoader) recordedClassLoader;
ClassLoader cl = MyClass.class .getClassLoader();
Asserts.assertEquals(cl.getClass().getName(), myRecClassLoader.getType().getName(), "Expected Recorded ClassLoader type to equal loader type" );
Asserts.assertNotNull(myRecClass.getModifiers());
}
}
}
Messung V0.5 in Prozent C=98 H=84 G=91
¤ Dauer der Verarbeitung: 0.2 Sekunden
¤
*© Formatika GbR, Deutschland