Java tutorial
/* * Software Name : ATK * * Copyright (C) 2007 - 2012 France Tlcom * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * ------------------------------------------------------------------ * File Name : PerformanceGraph.java * * Created : 02/03/2009 * Author(s) : Yvain Leyral */ package com.orange.atk.graphAnalyser; import java.awt.Color; import java.io.BufferedReader; import java.io.FileNotFoundException; import java.io.FileReader; import java.text.DecimalFormat; import org.apache.log4j.Logger; import org.jfree.chart.axis.AxisLocation; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.renderer.xy.StandardXYItemRenderer; import org.jfree.data.xy.XYDataItem; import org.jfree.data.xy.XYDataset; import org.jfree.data.xy.XYSeries; import org.jfree.data.xy.XYSeriesCollection; import com.orange.atk.results.logger.documentGenerator.PlotReader; import com.orange.atk.results.measurement.PlotList; /** * * @author ywil8421 */ /** * @author France Telecom R&D *(C) France Tlcom, 2010. */ public class PerformanceGraph { private XYDataset xydataset = null; private PlotList plts; private int graphNumber = 0; private String fileName = ""; private String serieName = ""; private Color color = null; private AxisLocation location; private XYPlot xyplot = null; private boolean active = false; private NumberAxis numberaxis = null; private StandardXYItemRenderer standardxyitemrenderer = null; private double xvalue = 0; private double nextXvalue = 0; private double prevousxValue = 0; private double yvalue = 0; private double nextyvalue = 0; private double prevousyValue = 0; private XYSeriesCollection series = null; private XYSeries data = null; private String unit = null; private int scale = 1; public PerformanceGraph(int graphNumber, String fileName, String serieName, Color color, String axisName, XYPlot xyplot, String unit, int scale) { this.graphNumber = graphNumber + 1; this.serieName = serieName; this.fileName = fileName; this.color = color; this.location = AxisLocation.BOTTOM_OR_RIGHT; // Default this.xyplot = xyplot; this.unit = unit; this.scale = scale; standardxyitemrenderer = new StandardXYItemRenderer(); numberaxis = new NumberAxis(axisName); numberaxis.setLabelPaint(color); numberaxis.setTickLabelPaint(color); numberaxis.setFixedDimension(10D); numberaxis.setNumberFormatOverride(new DecimalFormat("###,###,##0.###")); numberaxis.setAutoRange(true); numberaxis.setAutoRangeIncludesZero(false); numberaxis.setLabel(serieName); } public void setColor(Color color) { this.color = color; } /** * remove graph */ public void removeGraph() { xyplot.setDataset(graphNumber, null); //xyplot.setRangeAxis(graphNumber, null); numberaxis.setVisible(false); setActive(false); } /** * set if axis need to be display * @param activeaxis true to display legend * @param AxisLocation place to display legend (right or left) */ public void setAxis(boolean activeAxis, AxisLocation location) { xyplot.setRangeAxisLocation(graphNumber, location); numberaxis.setVisible(activeAxis); } /** *Create jfreechart datasetS */ public void createPlots() { try { plts = PlotReader.read(new BufferedReader(new FileReader(fileName))); plts.setScale(scale); } catch (FileNotFoundException e) { Logger.getLogger(this.getClass()).debug("error" + e); } } public void createDataset() { Logger.getLogger(this.getClass()).debug(fileName); xydataset = createSeries(); } public long getmintimestamp() { long value; if (plts == null) return -1; try { value = plts.getX(0); } catch (ArrayIndexOutOfBoundsException e) { return -1; } return value; } public XYDataset createEmptyDataset() { series = new XYSeriesCollection(); data = new XYSeries(serieName); series.addSeries(data); xydataset = series; return xydataset; } public final synchronized void addDatasetValue(long xval, double yval) { double y_scaled = yval / scale; XYDataItem item = new XYDataItem(xval, y_scaled); data.add(item); /*if((numberaxis.getLabel().toLowerCase().contains(cpuLabel))&&active){ Double maxRange; Double minRange; if(rangeCPU!=null) maxRange = rangeCPU.getUpperBound(); else maxRange = numberaxis.getRange().getUpperBound(); if(rangeCPU!=null) minRange = rangeCPU.getLowerBound(); else minRange = numberaxis.getRange().getUpperBound(); Double diff = 0.0; if(y_scaled>maxRange){ maxRange = y_scaled; diff = (maxRange-minRange)*0.02; } if(y_scaled<minRange){ minRange = y_scaled; diff = (maxRange-minRange)*0.02; } if((maxRange-minRange)<1){ diff = maxRange * 0.0002; } rangeCPU = new Range((double)minRange-diff,(double)maxRange+diff); if (rangeCPU.getLength()==0) rangeCPU = Range.expand(new Range(0.0, 0.5),0.03,0.0); numberaxis.setRange(rangeCPU); } if((numberaxis.getLabel().toLowerCase().contains(memoryLabel))&&active){ Double maxRange; Double minRange; if(rangeMEM!=null) maxRange = rangeMEM.getUpperBound(); else maxRange = numberaxis.getRange().getUpperBound(); if(rangeMEM!=null) minRange = rangeMEM.getLowerBound(); else minRange = numberaxis.getRange().getUpperBound(); Double diff = 0.0; if(y_scaled>maxRange){ maxRange = y_scaled; diff = (maxRange-minRange)*0.02; } if(y_scaled<minRange){ minRange = y_scaled; diff = (maxRange-minRange)*0.02; } if((maxRange-minRange)<1){ diff = maxRange * 0.0002; } rangeMEM = new Range((double)minRange-diff,(double)maxRange+diff); if (rangeMEM.getLength()==0) rangeMEM = Range.expand(new Range(0.0, 0.5),0.03,0.0); numberaxis.setRange(rangeMEM); }*/ } /** *Create jfreechart series */ private XYDataset createSeries() { series = new XYSeriesCollection(); data = new XYSeries(serieName); int size = plts.getSize(); if (size == 0) { Logger.getLogger(this.getClass()).warn("Nothing in graph"); return null; } for (int i = 0; i < size; i++) { double xval = ((Long) plts.getX(i)).doubleValue(); double yval = plts.getY(i).doubleValue() / scale; data.add(xval, yval); } series.addSeries(data); return series; } /** *Draw Graph */ public final synchronized void drawGraph() { //on cree le dataset et on le lie au numero sur le xyplot idem pour range xyplot.setRangeAxis(graphNumber, numberaxis); xyplot.setDataset(graphNumber, xydataset); //on lie ensemble le rangeAxis et le dataset xyplot.mapDatasetToRangeAxis(graphNumber, graphNumber); standardxyitemrenderer.setSeriesPaint(0, color); //lie la couleur a la serie sur le renrerer xyplot.setRenderer(graphNumber, standardxyitemrenderer); setActive(true); setAxis(true, location); } public XYDataset getXydataset() { return xydataset; } /** *check is graph is displayed */ public boolean isActive() { return active; } /** *set boolean to indicate that graph is displayed * @param active true if graph is display */ public void setActive(boolean active) { this.active = active; } /** *get nearest value for the graph * @param initial value of cursor position */ public void getY(double initvalue) { resetposition(); //get by dicotomie Initial Value int upint = xydataset.getItemCount(0) - 1; int downint = 0; int index = 0; int mvalue = 0; double dicoValue = 0; while ((upint - downint) > 2) { mvalue = (upint + downint) / 2; dicoValue = xydataset.getXValue(0, (int) mvalue); if (initvalue > dicoValue) { downint = mvalue; } else if (initvalue < dicoValue) { upint = mvalue; } else if (dicoValue == initvalue) { upint = mvalue; downint = mvalue; break; } } if (upint == downint) { index = upint; } else if ((xydataset.getXValue(0, upint) - initvalue) > (initvalue - xydataset.getXValue(0, downint))) { index = downint; } else { index = upint; } xvalue = xydataset.getXValue(0, index); yvalue = xydataset.getYValue(0, index); if (index < xydataset.getItemCount(0) - 1) { nextXvalue = xydataset.getXValue(0, index + 1); nextyvalue = xydataset.getYValue(0, index + 1); } if (index > 0) { prevousxValue = xydataset.getXValue(0, index - 1); prevousyValue = xydataset.getYValue(0, index - 1); } } public void resetposition() { xvalue = 0; prevousxValue = 0; nextXvalue = 0; yvalue = 0; prevousyValue = 0; nextyvalue = 0; } /** *get X value of cursor */ public double getXvalue() { return xvalue; } /** *get next X value of cursor */ public double getNextXvalue() { return nextXvalue; } /** *get previous X value of cursor */ public double getPrevousxValue() { return prevousxValue; } /** *get Y value of cursor */ public double getYvalue() { return yvalue; } /** *get next Y value of cursor */ public double getNextyvalue() { return nextyvalue; } /** *get previous Y value of cursor */ public double getPrevousyValue() { return prevousyValue; } public String getSerieName() { return serieName; } public Color getColor() { return color; } public String getUnit() { return unit; } public PlotList getPlts() { return plts; } public void setPlts(PlotList plts) { this.plts = plts; } /*public static void setRangeCPU(Range rangeCPU) { PerformanceGraph.rangeCPU = rangeCPU; } public static void setRangeMEM(Range rangeMEM) { PerformanceGraph.rangeMEM = rangeMEM; }*/ }