/*
* 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;
import java.io.IOException;
import java.io.ObjectOutputStream;
import java.io.ObjectInputStream;
/**
*/
public abstract class AbstractCounter implements Counter {
String name;
Units units;
Variability variability;
int flags;
int vectorLength;
// Flags defined in hotspot implementation
class Flags {
static final int SUPPORTED = 0x1;
}
protected AbstractCounter(String name, Units units,
Variability variability, int flags,
int vectorLength) {
this.name = name;
this.units = units;
this.variability = variability;
this.flags = flags;
this.vectorLength = vectorLength;
}
protected AbstractCounter(String name, Units units,
Variability variability, int flags) {
this(name, units, variability, flags, 0);
}
/**
* Returns the name of the Performance Counter
*/
public String getName() {
return name;
}
/**
* Returns the Units for this Performance Counter
*/
public Units getUnits() {
return units;
}
/**
* Returns the Variability for this performance Object
*/
public Variability getVariability() {
return variability;
}
/**
* Return true if this performance counter is a vector
*/
public boolean isVector() {
return vectorLength > 0;
}
/**
* return the length of the vector
*/
public int getVectorLength() {
return vectorLength;
}
public boolean isInternal() {
return (flags & Flags.SUPPORTED) == 0;
}
/**
* return the flags associated with the counter.
*/
public int getFlags() {
return flags;
}
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