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/*
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* Copyright 2003-2004 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Sun designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Sun in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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package sun.management.counter.perf;
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import sun.management.counter.*;
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import java.nio.*;
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public class PerfByteArrayCounter extends AbstractCounter
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implements ByteArrayCounter {
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ByteBuffer bb;
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PerfByteArrayCounter(String name, Units u, Variability v,
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int flags, int vectorLength,
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ByteBuffer bb) {
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super(name, u, v, flags, vectorLength);
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this.bb = bb;
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}
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public Object getValue() {
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return byteArrayValue();
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}
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/**
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* Get a copy of the elements of the ByteArrayCounter.
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*/
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public byte[] byteArrayValue() {
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bb.position(0);
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byte[] b = new byte[bb.limit()];
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// copy the bytes
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bb.get(b);
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return b;
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}
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/**
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* Get the value of an element of the ByteArrayCounter object.
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*/
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public byte byteAt(int index) {
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bb.position(index);
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return bb.get();
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}
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public String toString() {
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String result = getName() + ": " + new String(byteArrayValue()) +
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" " + getUnits();
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if (isInternal()) {
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return result + " [INTERNAL]";
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} else {
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return result;
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}
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}
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/**
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* Serialize as a snapshot object.
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*/
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protected Object writeReplace() throws java.io.ObjectStreamException {
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return new ByteArrayCounterSnapshot(getName(),
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getUnits(),
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getVariability(),
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getFlags(),
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getVectorLength(),
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byteArrayValue());
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}
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}
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