test/jdk/jdk/jfr/jmx/TestCopyTo.java

/*
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 * 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.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * 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,
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 *
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package jdk.jfr.jmx;

import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.List;

import jdk.jfr.consumer.RecordedEvent;
import jdk.jfr.consumer.RecordingFile;
import jdk.management.jfr.FlightRecorderMXBean;
import jdk.test.lib.Asserts;
import jdk.test.lib.jfr.SimpleEventHelper;

/**
 * @test
 * @key jfr
 * @requires vm.hasJFR
 * @library /test/lib /test/jdk
 * @run main/othervm jdk.jfr.jmx.TestCopyTo
 */
public class TestCopyTo {
    public static void main(String[] args) throws Exception {
        FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();

        long recId = bean.newRecording();
        bean.startRecording(recId);
        SimpleEventHelper.createEvent(1);
        bean.stopRecording(recId);

        Path path = Paths.get(".", "my.jfr");
        bean.copyTo(recId, path.toString());

        List<RecordedEvent> events = RecordingFile.readAllEvents(path);
        Asserts.assertTrue(events.iterator().hasNext(), "No events found");
        for (RecordedEvent event : events) {
            System.out.println("Event:" + event);
        }

        bean.closeRecording(recId);
    }
}