mirror of https://github.com/octoleo/plantuml.git
185 lines
5.0 KiB
Java
185 lines
5.0 KiB
Java
/* ========================================================================
|
|
* PlantUML : a free UML diagram generator
|
|
* ========================================================================
|
|
*
|
|
* Project Info: http://plantuml.com
|
|
*
|
|
* If you like this project or if you find it useful, you can support us at:
|
|
*
|
|
* http://plantuml.com/patreon (only 1$ per month!)
|
|
* http://plantuml.com/paypal
|
|
*
|
|
* This file is part of PlantUML.
|
|
*
|
|
* PlantUML is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* PlantUML 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 Lesser General Public
|
|
* License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public
|
|
* License aint with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
|
|
* USA.
|
|
*/
|
|
package net.sourceforge.plantuml.api;
|
|
|
|
import java.util.StringTokenizer;
|
|
import java.util.concurrent.atomic.AtomicLong;
|
|
import java.util.prefs.Preferences;
|
|
|
|
import net.sourceforge.plantuml.Log;
|
|
|
|
public class NumberAnalyzed2 implements INumberAnalyzed {
|
|
|
|
private static final int SLIDING_WINDOW = 512;
|
|
|
|
private final AtomicLong nb = new AtomicLong();
|
|
private final AtomicLong sum = new AtomicLong();
|
|
private final AtomicLong min = new AtomicLong();
|
|
private final AtomicLong max = new AtomicLong();
|
|
private final AtomicLong sumOfSquare = new AtomicLong();
|
|
// See https://fossies.org/linux/haproxy/include/proto/freq_ctr.h
|
|
private final AtomicLong sliddingSum = new AtomicLong();
|
|
private final String name;
|
|
|
|
public NumberAnalyzed2(String name) {
|
|
this.name = name;
|
|
}
|
|
|
|
public void reset() {
|
|
this.nb.set(0);
|
|
this.sum.set(0);
|
|
this.min.set(0);
|
|
this.max.set(0);
|
|
this.sumOfSquare.set(0);
|
|
this.sliddingSum.set(0);
|
|
}
|
|
|
|
public NumberAnalyzed2() {
|
|
this("");
|
|
}
|
|
|
|
public final void save(Preferences prefs) {
|
|
if (name.length() == 0) {
|
|
throw new UnsupportedOperationException();
|
|
}
|
|
prefs.put(name + ".saved", getSavedString());
|
|
}
|
|
|
|
protected String getSavedString() {
|
|
final String value = longToString(nb) + ";" + longToString(sum) + ";" + longToString(min) + ";"
|
|
+ longToString(max) + ";" + longToString(sumOfSquare) + ";" + longToString(sliddingSum);
|
|
return value;
|
|
}
|
|
|
|
protected final String longToString(AtomicLong val) {
|
|
return Long.toString(val.get(), 36);
|
|
}
|
|
|
|
public static NumberAnalyzed2 load(String name, Preferences prefs) {
|
|
final String value = prefs.get(name + ".saved", "");
|
|
if (value.length() == 0) {
|
|
System.err.println("Cannot load " + name);
|
|
return null;
|
|
}
|
|
try {
|
|
final StringTokenizer st = new StringTokenizer(value, ";");
|
|
return new NumberAnalyzed2(name, Long.parseLong(st.nextToken(), 36), Long.parseLong(st.nextToken(), 36),
|
|
Long.parseLong(st.nextToken(), 36), Long.parseLong(st.nextToken(), 36), Long.parseLong(
|
|
st.nextToken(), 36), Long.parseLong(st.nextToken(), 36));
|
|
} catch (Exception e) {
|
|
e.printStackTrace();
|
|
Log.info("Error reading " + value);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public String toString() {
|
|
return "sum=" + sum + " nb=" + nb + " min=" + min + " max=" + max + " mean=" + getMean();
|
|
}
|
|
|
|
protected NumberAnalyzed2(String name, long nb, long sum, long min, long max, long sumOfSquare, long sliddingSum) {
|
|
this(name);
|
|
this.nb.set(nb);
|
|
this.sum.set(sum);
|
|
this.min.set(min);
|
|
this.max.set(max);
|
|
this.sumOfSquare.set(sumOfSquare);
|
|
this.sliddingSum.set(sliddingSum);
|
|
}
|
|
|
|
public INumberAnalyzed getCopyImmutable() {
|
|
final NumberAnalyzed2 copy = new NumberAnalyzed2(name, nb.get(), sum.get(), min.get(), max.get(),
|
|
sumOfSquare.get(), sliddingSum.get());
|
|
return copy;
|
|
}
|
|
|
|
public void addValue(long v) {
|
|
nb.incrementAndGet();
|
|
if (nb.get() == 1) {
|
|
min.set(v);
|
|
max.set(v);
|
|
} else if (v > max.get()) {
|
|
max.set(v);
|
|
} else if (v < min.get()) {
|
|
min.set(v);
|
|
}
|
|
sum.addAndGet(v);
|
|
sumOfSquare.addAndGet(v * v);
|
|
sliddingSum.set(sliddingSum.get() * (SLIDING_WINDOW - 1) / SLIDING_WINDOW + v);
|
|
}
|
|
|
|
public void add(NumberAnalyzed2 other) {
|
|
this.sum.addAndGet(other.sum.get());
|
|
this.nb.addAndGet(other.nb.get());
|
|
this.min.set(Math.min(this.min.get(), other.min.get()));
|
|
this.max.set(Math.max(this.max.get(), other.max.get()));
|
|
}
|
|
|
|
public final long getNb() {
|
|
return nb.get();
|
|
}
|
|
|
|
public final long getSum() {
|
|
return sum.get();
|
|
}
|
|
|
|
public final long getMin() {
|
|
return min.get();
|
|
}
|
|
|
|
public final long getMax() {
|
|
return max.get();
|
|
}
|
|
|
|
public final long getMean() {
|
|
if (nb.get() == 0) {
|
|
return 0;
|
|
}
|
|
// Bad
|
|
return sum.get() / nb.get();
|
|
}
|
|
|
|
public final long getSliddingMean() {
|
|
if (nb.get() == 0) {
|
|
return 0;
|
|
}
|
|
if (nb.get() < SLIDING_WINDOW) {
|
|
return sum.get() / nb.get();
|
|
}
|
|
// Bad
|
|
return sliddingSum.get() / nb.get();
|
|
}
|
|
|
|
final public String getName() {
|
|
return name;
|
|
}
|
|
|
|
}
|