private JFreeChart buildDifferenceChart(TimeSeriesCollection dataset, String title) {
// Creat the chart
JFreeChart chart =
ChartFactory.createTimeSeriesChart(
title,
"Date",
"Price",
dataset,
true, // legend
true, // tool tips
false // URLs
);
chart.setBackgroundPaint(Color.white);
XYPlot plot = chart.getXYPlot();
plot.setRenderer(
new XYDifferenceRenderer(new Color(112, 128, 222), new Color(112, 128, 222), false));
plot.setBackgroundPaint(Color.white);
plot.setDomainGridlinePaint(Color.white);
plot.setRangeGridlinePaint(Color.white);
plot.setAxisOffset(new RectangleInsets(UnitType.ABSOLUTE, 5.0, 5.0, 5.0, 5.0));
ValueAxis domainAxis = new DateAxis("Date");
domainAxis.setLowerMargin(0.0);
domainAxis.setUpperMargin(0.0);
plot.setDomainAxis(domainAxis);
plot.setForegroundAlpha(0.5f);
return chart;
}
private JFreeChart buildChart(TimeSeriesCollection dataset, String title, boolean endPoints) {
// Create the chart
JFreeChart chart =
ChartFactory.createTimeSeriesChart(title, "Date", "Price", dataset, true, true, false);
// Display each series in the chart with its point shape in the legend
LegendTitle sl = chart.getLegend();
// sl.setDisplaySeriesShapes(true);
// Setup the appearance of the chart
chart.setBackgroundPaint(Color.white);
XYPlot plot = chart.getXYPlot();
plot.setBackgroundPaint(Color.lightGray);
plot.setDomainGridlinePaint(Color.white);
plot.setRangeGridlinePaint(Color.white);
plot.setAxisOffset(new RectangleInsets(UnitType.ABSOLUTE, 5.0, 5.0, 5.0, 5.0));
plot.setDomainCrosshairVisible(true);
plot.setRangeCrosshairVisible(true);
// Display data points or just the lines?
if (endPoints) {
XYItemRenderer renderer = plot.getRenderer();
if (renderer instanceof StandardXYItemRenderer) {
StandardXYItemRenderer rr = (StandardXYItemRenderer) renderer;
// rr.setPlotShapes(true);
rr.setShapesFilled(true);
rr.setItemLabelsVisible(true);
}
}
// Tell the chart how we would like dates to read
DateAxis axis = (DateAxis) plot.getDomainAxis();
axis.setDateFormatOverride(new SimpleDateFormat("MMM-yyyy"));
return chart;
}
public Chart(String title, String timeAxis, String valueAxis, TimeSeries data) {
try {
// Build the datasets
dataset.addSeries(data);
// Create the chart
JFreeChart chart =
ChartFactory.createTimeSeriesChart(
title, timeAxis, valueAxis, dataset, true, true, false);
// Setup the appearance of the chart
chart.setBackgroundPaint(Color.white);
XYPlot plot = chart.getXYPlot();
plot.setBackgroundPaint(Color.lightGray);
plot.setDomainGridlinePaint(Color.white);
plot.setRangeGridlinePaint(Color.white);
plot.setAxisOffset(new RectangleInsets(UnitType.ABSOLUTE, 5.0, 5.0, 5.0, 5.0));
plot.setDomainCrosshairVisible(true);
plot.setRangeCrosshairVisible(true);
// Tell the chart how we would like dates to read
DateAxis axis = (DateAxis) plot.getDomainAxis();
axis.setDateFormatOverride(new SimpleDateFormat("EEE HH"));
this.add(new ChartPanel(chart));
} catch (Exception e) {
e.printStackTrace();
}
}
private void addData(
JFreeChart chart,
DSLAMSource source,
Timeinterval time,
Serializable filter,
Properties properties,
Map<String, Object> colorScheme,
Properties outputProperties)
throws IOException {
if (chart != null) {
PerformanceCounterDataCollection cData = null;
long dataSize = 0;
try {
cData =
getPerformanceCounterDataCollection(source, time, filter, properties, outputProperties);
Collection<PerformanceCounterData> data = null;
Date d0 = null; // first timestamp for data
Date d1 = null; // last timestamp for data
RegularTimePeriod time0 = null;
if (cData != null) {
data = cData.getData();
{
int l = data.size();
outputProperties.setProperty("data.count", Integer.toString(l));
}
if (data != null && data.size() > 0) {
dataSize = data.size();
// Set 'd0':
{
// TODO: Avoid assumption "data is sorted"!
PerformanceCounterData e = data.iterator().next();
d0 = e.getTimestamp();
}
// Set 'd1':
{
// TODO: Avoid assumption "data is sorted"!
for (PerformanceCounterData e : data) {
d1 = e.getTimestamp();
}
}
time0 = createRegularTimePeriod(d0);
}
}
XYPlot plot = chart.getXYPlot();
// Set the first dataset:
{
TimeSeriesCollection dataset = new TimeSeriesCollection();
List<Paint> seriesPaint = new ArrayList<Paint>();
List<Stroke> seriesStroke = new ArrayList<Stroke>();
// Add series 'ES':
{
if (data != null && data.size() > 0) {
TimeSeries series = new TimeSeries("ES", time0.getClass());
for (PerformanceCounterData e : data) {
Date d = e.getTimestamp();
RegularTimePeriod timePeriod = createRegularTimePeriod(d);
// Add point:
{
int value = getES(e);
addOrUpdate(series, timePeriod, (double) value);
}
}
seriesPaint.add((Paint) colorScheme.get("color.counter.es"));
seriesStroke.add(STROKE_COUNTER_ES);
dataset.addSeries(series);
}
}
// Add series 'SES':
{
if (data != null && data.size() > 0) {
TimeSeries series = new TimeSeries("SES", time0.getClass());
for (PerformanceCounterData e : data) {
Date d = e.getTimestamp();
RegularTimePeriod timePeriod = createRegularTimePeriod(d);
// Add point:
{
int value = getSES(e);
addOrUpdate(series, timePeriod, (double) value);
}
}
seriesPaint.add((Paint) colorScheme.get("color.counter.ses"));
seriesStroke.add(STROKE_COUNTER_SES);
dataset.addSeries(series);
}
}
// Add series 'US':
{
if (data != null && data.size() > 0) {
TimeSeries series = new TimeSeries("US", time0.getClass());
for (PerformanceCounterData e : data) {
Date d = e.getTimestamp();
RegularTimePeriod timePeriod = createRegularTimePeriod(d);
// Add point:
{
int value = getUS(e);
addOrUpdate(series, timePeriod, (double) value);
}
}
seriesPaint.add((Paint) colorScheme.get("color.counter.us"));
seriesStroke.add(STROKE_COUNTER_US);
dataset.addSeries(series);
}
}
// superspeed
{
if (data != null && data.size() > 0) {
TimeSeries series = new TimeSeries("LEFTRS", time0.getClass());
for (PerformanceCounterData e : data) {
Date d = e.getTimestamp();
RegularTimePeriod timePeriod = createRegularTimePeriod(d);
{
int value = getPreviousLEFTRS(e);
addOrUpdate(series, timePeriod, (double) value);
}
}
seriesPaint.add((Paint) colorScheme.get("color.counter.previousleftrs"));
seriesStroke.add(STROKE_COUNTER_US);
dataset.addSeries(series);
}
}
// ends
{
if (data != null && data.size() > 0) {
boolean showLinearCurve = getShowLinearCurve();
if (showLinearCurve) {
// Add series for a linear curve:
{
TimeSeries series = new TimeSeries("Linear", time0.getClass());
long t0 = d0.getTime();
long t1 = d1.getTime();
if (t0 < t1) {
long timeX = 15 * 60 * 1000; // 15 minutes intervals
// TODO: Read length of intervals from obtained data!
double value0 = 0;
double value1 = 900;
// TODO: Read '900' from obtained data!
long timeDelta = t1 - t0;
double valueDelta = value1 - value0;
long t = t0;
int i = 0;
while (t <= t1) {
Date d = new Date(t);
RegularTimePeriod timePeriod = createRegularTimePeriod(d);
double value = value0 + ((t - t0) * valueDelta) / timeDelta;
// Add point:
{
addOrUpdate(series, timePeriod, (double) value);
}
t += timeX;
i += 1;
}
}
seriesPaint.add(Color.red);
seriesStroke.add(STROKE_COUNTER_DEFAULT);
dataset.addSeries(series);
}
}
}
}
setDefaultRenderer(chart, colorScheme, 0, seriesPaint, seriesStroke);
plot.setDataset(0, dataset);
plot.mapDatasetToRangeAxis(0, 0);
}
} finally {
if (cData != null) {
cData.dispose();
cData = null;
}
}
if (outputProperties != null) {
outputProperties.setProperty("data.count", Long.toString(dataSize));
}
}
}
protected JFreeChart createChart(
DSLAMSource source,
String LID,
Timeinterval time,
Properties properties,
GraphRenderingInput input,
Map<String, Object> colorScheme,
Properties outputProperties)
throws IOException {
JFreeChart res = null;
{
JFreeChart chart = null;
Timeinterval domainAxisTime = null;
// Set 'chart':
{
String domainAxisTitle = null;
// Set 'domainAxisTime':
{
DateFormat format = (DateFormat) colorScheme.get("date.format");
domainAxisTitle = "Time (" + time.toString(format) + ")";
}
chart =
ChartFactory.createTimeSeriesChart(
null, // chart-title
domainAxisTitle, // domain-axis label
null, // value-axis label
null, // dataset
true, // legends required
true, // generate tooltips
false // generate URLs
);
}
XYPlot plot = chart.getXYPlot();
plot.setOrientation(PlotOrientation.VERTICAL);
plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0));
plot.getRangeAxis().setFixedDimension(15.0);
// Fix the domain axis:
{
fixDateAxisToTimeinterval(plot, time);
domainAxisTime = time;
}
// Set the y-axis:
{
String axisTitle = "Count (/900s)";
ValueAxis a = new LogarithmicAxis(axisTitle);
a.setLowerBound(0);
a.setUpperBound(1000); // TODO: '1000' is '900' rounded up to nearest power of 10!
// TODO: Get unit from data-model!
// TODO: Get upper bound from data-model!
plot.setRangeAxis(a);
}
String title = getTitle();
setDefaults(chart, colorScheme);
setTitle(chart, LID, colorScheme, title, source, time);
String filter = ""; // an empty string implies the default filter!
// Set 'filter':
{
if (input != null) {
Properties p = input.getProperties();
if (p != null) {
String v = p.getProperty("data.filter");
if (v != null) {
filter = v;
}
}
}
}
addData(chart, source, time, filter, properties, colorScheme, outputProperties);
if (outputProperties != null) {
if (domainAxisTime != null) {
outputProperties.setProperty("axis.domain.time", time.toString());
}
}
res = chart;
}
return res;
}