Mercurial > hg > release > thermostat-0.5
view vm-memory/client-core/src/main/java/com/redhat/thermostat/vm/memory/client/core/StatsModel.java @ 929:ccac9bcabaa0
Update copyright year of source code
review-thread: http://icedtea.classpath.org/pipermail/thermostat/2013-January/005295.html
reviewed-by: vanaltj
author | Mario Torre <neugens.limasoftware@gmail.com> |
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date | Wed, 23 Jan 2013 16:49:27 +0100 |
parents | bb4a52cba23a |
children |
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/* * Copyright 2012, 2013 Red Hat, Inc. * * This file is part of Thermostat. * * Thermostat 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 2, or (at your * option) any later version. * * Thermostat 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 for more details. * * You should have received a copy of the GNU General Public License * along with Thermostat; see the file COPYING. If not see * <http://www.gnu.org/licenses/>. * * Linking this code with other modules is making a combined work * based on this code. Thus, the terms and conditions of the GNU * General Public License cover the whole combination. * * As a special exception, the copyright holders of this code give * you permission to link this code with independent modules to * produce an executable, regardless of the license terms of these * independent modules, and to copy and distribute the resulting * executable under terms of your choice, provided that you also * meet, for each linked independent module, the terms and conditions * of the license of that module. An independent module is a module * which is not derived from or based on this code. If you modify * this code, you may extend this exception to your version of the * library, but you are not obligated to do so. If you do not wish * to do so, delete this exception statement from your version. */ package com.redhat.thermostat.vm.memory.client.core; import java.awt.Graphics2D; import java.awt.geom.Rectangle2D; import java.awt.image.BufferedImage; import java.util.Date; import javax.swing.plaf.ColorUIResource; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.DateAxis; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.renderer.xy.StandardXYItemRenderer; import org.jfree.data.time.Millisecond; import org.jfree.data.time.TimeSeries; import org.jfree.data.time.TimeSeriesCollection; import org.jfree.data.xy.XYDataset; import org.jfree.ui.RectangleInsets; public class StatsModel implements Cloneable { private static final String lock = new String("MemoryStatsModelLock"); private String name; private TimeSeries dataSet; public StatsModel() { dataSet = new TimeSeries(""); } BufferedImage getChart(int width, int height, ColorUIResource bgColor, ColorUIResource fgColor) { JFreeChart chart = createChart(bgColor, fgColor); BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); chart.draw((Graphics2D) image.getGraphics(), new Rectangle2D.Double(0, 0, width, height), null); return image; } public String getName() { return name; } public void setName(String name) { dataSet.setDescription(name); this.name = name; } public void setRange(int seconds) { dataSet.setMaximumItemCount(seconds); } public void addData(long timestamp, double value) { Millisecond millisecond = new Millisecond(new Date(timestamp)); synchronized (lock) { if (dataSet.getValue(millisecond) == null) { dataSet.add(millisecond, value); dataSet.removeAgedItems(true); } } } @Override protected StatsModel clone() { StatsModel model = new StatsModel(); model.setName(name); model.setRange(dataSet.getMaximumItemCount()); try { model.dataSet = dataSet.createCopy(0, dataSet.getItemCount() - 1); } catch (CloneNotSupportedException e) { // ah... it's supported here... e.printStackTrace(); } return model; } /** * Creates a chart. * * @return a chart. */ private JFreeChart createChart(ColorUIResource bgColor, ColorUIResource fgColor) { XYDataset priceData = null; synchronized (lock) { try { priceData = new TimeSeriesCollection(dataSet.createCopy(0, dataSet.getItemCount() - 1)); } catch (CloneNotSupportedException e) { e.printStackTrace(); } } XYPlot plot = new XYPlot(); plot.setDomainGridlinesVisible(false); plot.setDomainCrosshairVisible(false); plot.setRangeGridlinesVisible(false); plot.setRangeCrosshairVisible(false); DateAxis dateAxis = new DateAxis(); dateAxis.setTickLabelsVisible(false); dateAxis.setTickMarksVisible(false); dateAxis.setAxisLineVisible(false); dateAxis.setNegativeArrowVisible(false); dateAxis.setPositiveArrowVisible(false); dateAxis.setVisible(false); NumberAxis numberAxis = new NumberAxis(); numberAxis.setTickLabelsVisible(false); numberAxis.setTickMarksVisible(false); numberAxis.setAxisLineVisible(false); numberAxis.setNegativeArrowVisible(false); numberAxis.setPositiveArrowVisible(false); numberAxis.setVisible(false); numberAxis.setAutoRangeIncludesZero(false); plot.setDomainAxis(dateAxis); plot.setRangeAxis(numberAxis); plot.setDataset(priceData); plot.setInsets(new RectangleInsets(-1, -1, 0, 0)); plot.setRenderer(new StandardXYItemRenderer(StandardXYItemRenderer.LINES)); plot.setBackgroundPaint(bgColor); JFreeChart chart = new JFreeChart(null, JFreeChart.DEFAULT_TITLE_FONT, plot, false); plot.getRenderer().setSeriesPaint(0, fgColor); chart.setAntiAlias(true); chart.setBorderVisible(false); return chart; } TimeSeries getDataSet() { return dataSet; } }