/**
* precondition : 'attribute' MUST contain number values only
*
* @param cases
* @param attribute
* @return DefaultXYDataset with all values of 'attribute' against event numbers or timestamps.
*/
private XYSeriesCollection getDataAttributes(
String[] attributes, boolean byTime, double timesize) {
XYSeriesCollection result = new XYSeriesCollection();
for (int index = 0; index < attributes.length; index++) {
String attribute = attributes[index];
Integer i = 0;
XYSeries row = new XYSeries(attribute);
for (ProcessInstance pi : mylog.getInstances()) {
Integer x = 0; // count event number
Date begin = pi.getAuditTrailEntries().first().getTimestamp(); // starting
// time
// of
// process
// instance
for (AuditTrailEntry ate : pi.getListOfATEs()) {
if (ate.getAttributes().containsKey(attribute)) {
Double val;
val = Double.valueOf(ate.getAttributes().get(attribute));
if (byTime) {
row.add(timediff(begin, ate.getTimestamp()) / timesize, val.doubleValue());
} else {
row.add(x.doubleValue(), val.doubleValue());
}
}
x++; // event number in case
}
i++; // case number
}
result.addSeries(row);
}
return result;
}
public XYSeries getXYSeries(String rowname, long factor) {
XYSeries mydataset = new XYSeries(rowname);
for (Integer key : ysum.keySet()) {
Double value = ysum.get(key) / (double) count.get(key);
Double point = (double) xsum.get(key) / (double) count.get(key);
mydataset.add(point / factor, value);
}
return mydataset;
}