/*

 * Copyright 2003-2004 Sun Microsystems, Inc.  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.  Sun designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Sun 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,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

package sun.management.counter.perf;

import sun.management.counter.*;

import java.nio.LongBuffer;

import java.nio.ReadOnlyBufferException;

public class PerfLongCounter extends AbstractCounter

       implements LongCounter {

    LongBuffer lb;

    // package private

    PerfLongCounter(String name, Units u, Variability v, int flags,

                    LongBuffer lb) {

        super(name, u, v, flags);

        this.lb = lb;

    }

    public Object getValue() {

        return new Long(lb.get(0));

    }

    /**

     * Get the value of this Long performance counter

     */

    public long longValue() {

        return lb.get(0);

    }

    /**

     * Serialize as a snapshot object.

     */

    protected Object writeReplace() throws java.io.ObjectStreamException {

        return new LongCounterSnapshot(getName(),

                                       getUnits(),

                                       getVariability(),

                                       getFlags(),

                                       longValue());

    }

}