| /* |
| * 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; |
| } |
| |
| public abstract Object getValue(); |
| |
| public String toString() { |
| String result = getName() + ": " + getValue() + " " + getUnits(); |
| if (isInternal()) { |
| return result + " [INTERNAL]"; |
| } else { |
| return result; |
| } |
| } |
| |
| private static final long serialVersionUID = 6992337162326171013L; |
| |
| } |