/* * Copyright (c) 2003, 2004, 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.  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, * 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 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());    }     private static final long serialVersionUID = 857711729279242948L;}