org.smallmind.javafx.extras.instrument.SigmaChart Maven / Gradle / Ivy
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/*
* Copyright (c) 2007 through 2024 David Berkman
*
* This file is part of the SmallMind Code Project.
*
* The SmallMind Code Project is free software, you can redistribute
* it and/or modify it under either, at your discretion...
*
* 1) The terms of GNU Affero General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at
* your option) any later version.
*
* ...or...
*
* 2) The terms of the Apache License, Version 2.0.
*
* The SmallMind Code Project 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 or Apache License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* and the Apache License along with the SmallMind Code Project. If not, see
* .
*
* Additional permission under the GNU Affero GPL version 3 section 7
* ------------------------------------------------------------------
* If you modify this Program, or any covered work, by linking or
* combining it with other code, such other code is not for that reason
* alone subject to any of the requirements of the GNU Affero GPL
* version 3.
*/
package org.smallmind.javafx.extras.instrument;
import java.util.Arrays;
import java.util.concurrent.atomic.AtomicBoolean;
import javafx.application.Platform;
import javafx.beans.property.BooleanProperty;
import javafx.scene.chart.NumberAxis;
import javafx.scene.chart.StackedAreaChart;
public class SigmaChart extends StackedAreaChart {
private static final String[] SERIES_NAMES = new String[] {"Median", "75th pctl", "95th pctl", "98th pctl", "99th pctl", "99.9th pctl"};
private final TimeAxis timeAxis;
private final Series[] seriesArray = new Series[6];
private final AtomicBoolean hasData = new AtomicBoolean(false);
public SigmaChart (long spanInMilliseconds) {
this(new TimeAxis(spanInMilliseconds));
}
private SigmaChart (TimeAxis timeAxis) {
super(timeAxis, new NumberAxis());
this.timeAxis = timeAxis;
for (int index = 0; index < seriesArray.length; index++) {
seriesArray[index] = new Series();
seriesArray[index].setName(SERIES_NAMES[index]);
}
getStyleClass().add("sigma-chart");
getStylesheets().add(SigmaChart.class.getResource("SigmaChart.css").toExternalForm());
}
public BooleanProperty pausedProperty () {
return timeAxis.pausedProperty();
}
public boolean isPaused () {
return timeAxis.getPaused();
}
public void setPaused (boolean paused) {
timeAxis.setPaused(paused);
}
public void addDispersion (final long milliseconds, final Dispersion dispersion) {
Platform.runLater(new Runnable() {
@Override
public void run () {
if (hasData.compareAndSet(false, true)) {
getData().addAll(Arrays.asList(seriesArray));
}
long minTime = (long)SigmaChart.this.timeAxis.getLowerBound();
for (Series series : getData()) {
if (!series.getData().isEmpty()) {
while (series.getData().get(0).getXValue() < minTime) {
series.getData().remove(0);
}
}
}
seriesArray[0].getData().add(new Data(milliseconds, dispersion.getMedian()));
seriesArray[1].getData().add(new Data(milliseconds, dispersion.getPercentile_75() - dispersion.getMedian()));
seriesArray[2].getData().add(new Data(milliseconds, dispersion.getPercentile_95() - dispersion.getPercentile_75()));
seriesArray[3].getData().add(new Data(milliseconds, dispersion.getPercentile_98() - dispersion.getPercentile_95()));
seriesArray[4].getData().add(new Data(milliseconds, dispersion.getPercentile_99() - dispersion.getPercentile_98()));
seriesArray[5].getData().add(new Data(milliseconds, dispersion.getPercentile_999() - dispersion.getPercentile_99()));
}
});
}
public void stop () {
timeAxis.stop();
}
}