// The implementing class can assume that the provided LogAbstraction
// partialTrace is
// of the same class, i.e. this.getClass().equals(partialTrace.getClass()) =
// true
//
// The implementing class can assume that the LogEvent provided is in the
// set returned by
// getPossibleNextLogEvents(partialTrace), i.e. in all instances
// represented by this abstraction, the given LogEvent is a possible
// next step.
public final Recommendation getRecommendation(
LogEvent logEventToDo, LogAbstraction partialTrace, SortedSet<LogEvent> enabledEvents) {
Recommendation rec = new Recommendation();
rec.setTask(logEventToDo.getModelElementName());
rec.setEventType(logEventToDo.getEventType());
double weight = calculateFitness(partialTrace);
if (weight > 0) {
SortedSet<LogEvent> possibleEvents = getPossibleNextLogEvents(partialTrace);
if (possibleEvents.contains(logEventToDo) && enabledEvents.contains(logEventToDo)) {
// It is possible to do this event, so give a recommendation
double[] vals = getAllValuesAndWeights(weight);
rec.setDoExpectedValue(vals[0]);
rec.setDoExpectedSquaredValue(vals[1]);
rec.setDoWeight(vals[2]);
} else {
// It is not possible to do this event, so give a "negative"
// recommendation
double w = 0;
double e = 0;
double e2 = 0;
for (LogEvent evt : possibleEvents) {
if (!enabledEvents.contains(evt)) {
continue;
}
// Event evt is not a possible event in this case,
// but is enabled in the query
double[] vals = getAllValuesAndWeights(weight);
double newW = w + vals[2];
e = (e * w + vals[0] * vals[2]) / newW;
e2 = (e2 * w + vals[1] * vals[2]) / newW;
w = newW;
}
rec.setDontExpectedValue(e);
rec.setDontExpectedSquaredValue(e2);
rec.setDontWeight(w);
}
}
return rec;
}
public LogEventCheckBoxEnh(LogEvent le) {
super(
"<html><B>" + le.getModelElementName() + " (" + le.getEventType() + ") " + " </B></html>",
true);
this.le = le;
}
