131 lines
3.8 KiB
Java
131 lines
3.8 KiB
Java
/*
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* Copyright (c) 2004, 2010, Oracle and/or its affiliates. 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. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package sun.jvmstat.monitor;
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/**
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* The base class for Instrumentation Monitoring Objects. This base class
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* provides implementations of the {@link Monitor} methods that are common
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* to all classes implementing the Monitor interface..
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*
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* @author Brian Doherty
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* @since 1.5
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*/
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public abstract class AbstractMonitor implements Monitor {
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protected String name;
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protected Units units;
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protected Variability variability;
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protected int vectorLength;
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protected boolean supported;
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/**
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* Create a vector instrumentation monitoring object with the given
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* name and attributes.
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*
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* @param name the name to assign to this instrumentation object.
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* @param units the units of measure attribute
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* @param variability the variability attribute
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* @param supported support level indicator
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* @param vectorLength the length of the vector, or 0 if not a vector type.
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*/
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protected AbstractMonitor(String name, Units units, Variability variability,
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boolean supported, int vectorLength) {
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this.name = name;
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this.units = units;
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this.variability = variability;
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this.vectorLength = vectorLength;
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this.supported = supported;
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}
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/**
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* Create a scalar instrumentation monitoring object with the given
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* name and attributes.
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*
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* @param name the name to assign to this instrumentation object.
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* @param units the units of measure attribute
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* @param variability the variability attribute
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* @param supported support level indicator
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*/
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protected AbstractMonitor(String name, Units units, Variability variability,
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boolean supported) {
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this(name, units, variability, supported, 0);
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}
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/**
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* {@inheritDoc}
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*/
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public String getName() {
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return name;
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}
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/**
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* {@inheritDoc}
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*/
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public String getBaseName() {
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int baseIndex = name.lastIndexOf(".")+1;
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return name.substring(baseIndex);
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}
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/**
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* {@inheritDoc}
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*/
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public Units getUnits() {
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return units;
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}
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/**
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* {@inheritDoc}
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*/
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public Variability getVariability() {
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return variability;
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}
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/**
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* {@inheritDoc}
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*/
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public boolean isVector() {
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return vectorLength > 0;
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}
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/**
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* {@inheritDoc}
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*/
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public int getVectorLength() {
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return vectorLength;
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}
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/**
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* {@inheritDoc}
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*/
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public boolean isSupported() {
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return supported;
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}
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/**
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* {@inheritDoc}
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*/
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public abstract Object getValue();
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}
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