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/*
* Copyright (c) 2004, 2010, 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.jvmstat.perfdata.monitor;
import sun.jvmstat.monitor.*;
import java.nio.IntBuffer;
/**
* Class for monitoring a PerfData Integer instrument.
*
* @author Brian Doherty
* @since 1.5
*/
public class PerfIntegerMonitor extends AbstractMonitor
implements IntegerMonitor {
/**
* The buffer containing the data for the integer instrument.
*/
IntBuffer ib;
/**
* Constructor to create an IntegerMonitor object for the integer
* instrument represented by the data in the given buffer.
*
* @param name the name of the integer instrument
* @param u the units of measure attribute
* @param v the variability attribute
* @param supported support level indicator
* @param ib the buffer containing the integer instrument data.
*/
public PerfIntegerMonitor(String name, Units u, Variability v,
boolean supported, IntBuffer ib) {
super(name, u, v, supported);
this.ib = ib;
}
/**
* {@inheritDoc}
* The object returned contains an Integer object containing the
* current value of the IntegerInstrument.
*
* @return Object - the current value of the the IntegerInstrument. The
* return type is guaranteed to be of type Integer.
*/
public Object getValue() {
return new Integer(ib.get(0));
}
/**
* Return the current value of the IntegerInstrument as an int.
*
* @return int - a the current value of the IntegerInstrument.
*/
public int intValue() {
return ib.get(0);
}
}