0N/A/*
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0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
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0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
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0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
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0N/A * You should have received a copy of the GNU General Public License version
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0N/A */
0N/A
0N/Apackage sun.tools.jstat;
0N/A
0N/Aimport java.util.*;
0N/A
0N/A/**
0N/A * A typesafe enumeration for describing data scaling semantics
0N/A *
0N/A * @author Brian Doherty
0N/A * @since 1.5
0N/A */
0N/Apublic class Scale {
0N/A private static int nextOrdinal = 0;
0N/A private static HashMap<String, Scale> map = new HashMap<String, Scale>();
0N/A
0N/A private final String name;
0N/A private final int ordinal = nextOrdinal++;
0N/A private final double factor;
0N/A
0N/A private Scale(String name, double factor) {
0N/A this.name = name;
0N/A this.factor = factor;
0N/A assert !map.containsKey(name);
0N/A map.put(name, this);
0N/A }
0N/A
0N/A /**
0N/A * Scale representing a no scaling
0N/A */
0N/A public static final Scale RAW = new Scale("raw", 1);
0N/A
0N/A /**
0N/A * Scale representing a percent scaling
0N/A */
0N/A public static final Scale PERCENT = new Scale("percent", 1/100);
0N/A
0N/A /**
0N/A * Scale representing a kilo scaling
0N/A */
0N/A public static final Scale KILO = new Scale("K", 1024);
0N/A
0N/A /**
0N/A * Scale representing a mega scaling
0N/A */
0N/A public static final Scale MEGA = new Scale("M", 1024*1024);
0N/A
0N/A /**
0N/A * Scale representing a giga scaling
0N/A */
0N/A public static final Scale GIGA = new Scale("G", 1024*1024*1024);
0N/A
0N/A /**
0N/A * Scale representing a tera scaling
0N/A */
0N/A public static final Scale TERA = new Scale("T", 1024*1024*1024*1024);
0N/A
0N/A /**
0N/A * Scale representing a tera scaling
0N/A */
0N/A public static final Scale PETA = new Scale("P", 1024*1024*1024*1024*1024);
0N/A
0N/A /**
0N/A * Scale representing a pico scaling
0N/A */
0N/A public static final Scale PICO = new Scale("p", 10.0E-12);
0N/A
0N/A /**
0N/A * Scale representing a nano scaling
0N/A */
0N/A public static final Scale NANO = new Scale("n", 10.0E-9);
0N/A
0N/A /**
0N/A * Scale representing a micro scaling
0N/A */
0N/A public static final Scale MICRO = new Scale("u", 10.0E-6);
0N/A
0N/A /**
0N/A * Scale representing a milli scaling
0N/A */
0N/A public static final Scale MILLI = new Scale("m", 10.0E-3);
0N/A
0N/A /**
0N/A * Scale representing a picosecond scaling
0N/A */
0N/A public static final Scale PSEC = new Scale("ps", 10.0E-12);
0N/A
0N/A /**
0N/A * Scale representing a nanosecond scaling
0N/A */
0N/A public static final Scale NSEC = new Scale("ns", 10.0E-9);
0N/A
0N/A /**
0N/A * Scale representing a microsecond scaling
0N/A */
0N/A public static final Scale USEC = new Scale("us", 10.0E-6);
0N/A
0N/A /**
0N/A * Scale representing a millisecond scaling
0N/A */
0N/A public static final Scale MSEC = new Scale("ms", 10.0E-3);
0N/A
0N/A /**
0N/A * Scale representing a second scaling
0N/A */
0N/A public static final Scale SEC = new Scale("s", 1);
0N/A public static final Scale SEC2 = new Scale("sec", 1);
0N/A
0N/A /**
0N/A * Scale representing a minutes scaling
0N/A */
0N/A public static final Scale MINUTES = new Scale("min", 1/60.0);
0N/A
0N/A /**
0N/A * Scale representing a hours scaling
0N/A */
0N/A public static final Scale HOUR = new Scale("h", 1/(60.0*60.0));
0N/A public static final Scale HOUR2 = new Scale("hour", 1/(60.0*60.0));
0N/A
0N/A /**
0N/A * Returns the scaling factor of this Scale object
0N/A *
0N/A * @return the scaling factor of this Scale object
0N/A */
0N/A public double getFactor() {
0N/A return factor;
0N/A }
0N/A
0N/A /**
0N/A * Returns the string representation of this Scale object.
0N/A * The string representation is the name of the Scale object.
0N/A *
0N/A * @return the string representation of this Scale object
0N/A */
0N/A public String toString() {
0N/A return name;
0N/A }
0N/A
0N/A /**
0N/A * Maps a string to its corresponding Scale object.
0N/A *
0N/A * @param s a string to match against Scale objects.
0N/A * @return The Scale object matching the given string.
0N/A */
0N/A public static Scale toScale(String s) {
0N/A return map.get(s);
0N/A }
0N/A
0N/A /**
0N/A * Returns an enumeration of the keys for this enumerated type
0N/A *
0N/A * @param s an string to match against Scale objects.
0N/A * @return The Scale object matching the given string.
0N/A */
0N/A protected static Set keySet() {
0N/A return map.keySet();
0N/A }
0N/A
0N/A protected double scale(double value) {
0N/A return value/factor;
0N/A }
0N/A}