/*
* 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
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*/
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());
}
}