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/*
* Copyright (c) 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.jvmstat.monitor;
/**
* The base class for Instrumentation Monitoring Objects. This base class
* provides implementations of the {@link Monitor} methods that are common
* to all classes implementing the Monitor interface..
*
* @author Brian Doherty
* @since 1.5
*/
public abstract class AbstractMonitor implements Monitor {
protected String name;
protected Units units;
protected Variability variability;
protected int vectorLength;
protected boolean supported;
/**
* Create a vector instrumentation monitoring object with the given
* name and attributes.
*
* @param name the name to assign to this instrumentation object.
* @param units the units of measure attribute
* @param variability the variability attribute
* @param supported support level indicator
* @param vectorLength the length of the vector, or 0 if not a vector type.
*/
protected AbstractMonitor(String name, Units units, Variability variability,
boolean supported, int vectorLength) {
this.name = name;
this.units = units;
this.variability = variability;
this.vectorLength = vectorLength;
this.supported = supported;
}
/**
* Create a scalar instrumentation monitoring object with the given
* name and attributes.
*
* @param name the name to assign to this instrumentation object.
* @param units the units of measure attribute
* @param variability the variability attribute
* @param supported support level indicator
*/
protected AbstractMonitor(String name, Units units, Variability variability,
boolean supported) {
this(name, units, variability, supported, 0);
}
/**
* {@inheritDoc}
*/
public String getName() {
return name;
}
/**
* {@inheritDoc}
*/
public String getBaseName() {
int baseIndex = name.lastIndexOf(".")+1;
return name.substring(baseIndex);
}
/**
* {@inheritDoc}
*/
public Units getUnits() {
return units;
}
/**
* {@inheritDoc}
*/
public Variability getVariability() {
return variability;
}
/**
* {@inheritDoc}
*/
public boolean isVector() {
return vectorLength > 0;
}
/**
* {@inheritDoc}
*/
public int getVectorLength() {
return vectorLength;
}
/**
* {@inheritDoc}
*/
public boolean isSupported() {
return supported;
}
/**
* {@inheritDoc}
*/
public abstract Object getValue();
}
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