| /* |
| * 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; |
| |
| import sun.management.counter.Units; |
| import sun.management.counter.Variability; |
| |
| /** |
| * 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(); |
| } |