/*

 * Copyright (c) 2018, 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 org.graalvm.compiler.hotspot.management;

import static java.lang.Thread.currentThread;

import java.lang.management.ManagementFactory;

import java.util.List;

import org.graalvm.compiler.serviceprovider.ServiceProvider;

import com.sun.management.ThreadMXBean;

/**

 * Implementation of {@link JMXService} for JDK 11 and later.

 */

@ServiceProvider(JMXService.class)

public class JMXServiceProvider extends JMXService {

    private final ThreadMXBean threadMXBean = (ThreadMXBean) ManagementFactory.getThreadMXBean();

    @Override

    protected long getThreadAllocatedBytes(long id) {

        return threadMXBean.getThreadAllocatedBytes(id);

    }

    @Override

    protected long getCurrentThreadCpuTime() {

        long[] times = threadMXBean.getThreadCpuTime(new long[]{currentThread().getId()});

        return times[0];

    }

    @Override

    protected boolean isThreadAllocatedMemorySupported() {

        return threadMXBean.isThreadAllocatedMemorySupported();

    }

    @Override

    protected boolean isCurrentThreadCpuTimeSupported() {

        return threadMXBean.isThreadCpuTimeSupported();

    }

    @Override

    protected List<String> getInputArguments() {

        return ManagementFactory.getRuntimeMXBean().getInputArguments();

    }

}