/*
* Copyright ( c ) 2013 , 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
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*/
package jdk.jfr.jmx;
import java.io.IOException;
import java.time.Instant;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import jdk.jfr.consumer.RecordedEvent;
import jdk.management.jfr.FlightRecorderMXBean;
import jdk.test.lib.jfr.SimpleEventHelper;
/**
* @ test
* @ key jfr
* @ requires vm . hasJFR
* @ library / test / lib / test / jdk
* @ run main / othervm jdk . jfr . jmx . TestStream
*/
public class TestStream {
public static void main(String[] args) throws Exception {
FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();
Instant startTime = Instant.now();
SimpleEventHelper.createEvent(0 );
long recId = bean.newRecording();
bean.startRecording(recId);
SimpleEventHelper.createEvent(1 );
bean.stopRecording(recId);
SimpleEventHelper.createEvent(2 );
Instant endTime = Instant.now();
// Test with ISO-8601
Map<String, String> options = new HashMap<>();
options.put("startTime" , startTime.toString());
options.put("endTime" , endTime.toString());
options.put("blockSize" , String.valueOf(50 _000 ));
verifyStream(bean, recId, options);
// Test with milliseconds since epoch
options.put("startTime" , Long .toString(startTime.toEpochMilli()));
options.put("endTime" , Long .toString(endTime.toEpochMilli()));
options.put("blockSize" , String.valueOf(150 _000 ));
verifyStream(bean, recId, options);
bean.closeRecording(recId);
}
private static void verifyStream(FlightRecorderMXBean bean, long recId, Map<String, String> options) throws IOException, Exception {
long streamId = bean.openStream(recId, options);
List<RecordedEvent> events = JmxHelper.parseStream(streamId, bean);
SimpleEventHelper.verifyContains(events, 1 );
SimpleEventHelper.verifyNotContains(events, 0 , 2 );
bean.closeStream(streamId);
}
}
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(vorverarbeitet am 2026-06-10)
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